<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019cd85c-e684-7cce-8d59-54c468a3fa07,g:c618665e-dac7-4c55-9a87-dde7fec068b9-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://brinks.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="bco-20260331.xsd#CondensedConsolidatedBalanceSheetsUnaudited"/>
  <link:calculationLink xlink:role="http://brinks.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019cd85c-e916-7f24-a817-d0102b9372f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019cd85c-e916-786a-bc81-178601bb9327" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019cd85c-e916-7f24-a817-d0102b9372f0" xlink:to="loc_us-gaap_LiabilitiesCurrent_019cd85c-e916-786a-bc81-178601bb9327" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019cd85c-e916-7baf-b550-27b86993189b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019cd85c-e916-7f24-a817-d0102b9372f0" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019cd85c-e916-7baf-b550-27b86993189b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_019cd85c-e916-756f-b00c-46d6ddc8e33a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019cd85c-e916-7f24-a817-d0102b9372f0" xlink:to="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_019cd85c-e916-756f-b00c-46d6ddc8e33a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_019cd85c-e916-74dc-9d8f-61cad1e4458d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019cd85c-e916-7f24-a817-d0102b9372f0" xlink:to="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_019cd85c-e916-74dc-9d8f-61cad1e4458d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019cd85c-e916-7fbf-bff9-46d0800018c4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019cd85c-e916-7f24-a817-d0102b9372f0" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019cd85c-e916-7fbf-bff9-46d0800018c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019cd85c-e916-7e03-b441-30694db63a4d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019cd85c-e916-7f24-a817-d0102b9372f0" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019cd85c-e916-7e03-b441-30694db63a4d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019cd85c-e916-7e11-93cd-1aee0f6a54b2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019cd85c-e916-7f24-a817-d0102b9372f0" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019cd85c-e916-7e11-93cd-1aee0f6a54b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019cd85c-e915-786d-a1fb-1269564e9f3c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019cd85c-e915-768c-8cd6-472bddd16550" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019cd85c-e915-786d-a1fb-1269564e9f3c" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019cd85c-e915-768c-8cd6-472bddd16550" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_019cd85c-e915-7765-8c7f-c443c7f40537" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019cd85c-e915-786d-a1fb-1269564e9f3c" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_019cd85c-e915-7765-8c7f-c443c7f40537" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_019cd85c-e915-7102-9fad-37b78160ff9a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019cd85c-e915-786d-a1fb-1269564e9f3c" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_019cd85c-e915-7102-9fad-37b78160ff9a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_019cd85c-e915-7c63-bd8a-a07df901a8be" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019cd85c-e915-786d-a1fb-1269564e9f3c" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_019cd85c-e915-7c63-bd8a-a07df901a8be" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019cd85c-e915-774e-b45b-fdfadcb76562" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_019cd85c-e915-7739-bc23-8e99f3997f5b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermBorrowings"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019cd85c-e915-774e-b45b-fdfadcb76562" xlink:to="loc_us-gaap_ShortTermBorrowings_019cd85c-e915-7739-bc23-8e99f3997f5b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019cd85c-e915-7c12-9245-227562b6506b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019cd85c-e915-774e-b45b-fdfadcb76562" xlink:to="loc_us-gaap_LongTermDebtCurrent_019cd85c-e915-7c12-9245-227562b6506b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019cd85c-e915-7988-8d18-e75a7bebfe62" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019cd85c-e915-774e-b45b-fdfadcb76562" xlink:to="loc_us-gaap_AccountsPayableCurrent_019cd85c-e915-7988-8d18-e75a7bebfe62" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_019cd85c-e916-7523-8171-cbce0b50f385" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019cd85c-e915-774e-b45b-fdfadcb76562" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_019cd85c-e916-7523-8171-cbce0b50f385" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bco_RestrictedCashHeldforCustomers_019cd85c-e916-73a7-a434-cb6e642151f5" xlink:href="bco-20260331.xsd#bco_RestrictedCashHeldforCustomers"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019cd85c-e915-774e-b45b-fdfadcb76562" xlink:to="loc_bco_RestrictedCashHeldforCustomers_019cd85c-e916-73a7-a434-cb6e642151f5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e915-708d-83c5-04d76364c100" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019cd85c-e915-7cd7-96d7-676cd213ff2d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e915-708d-83c5-04d76364c100" xlink:to="loc_us-gaap_StockholdersEquity_019cd85c-e915-7cd7-96d7-676cd213ff2d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_019cd85c-e915-7336-a87a-dfc50249746e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterest"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e915-708d-83c5-04d76364c100" xlink:to="loc_us-gaap_MinorityInterest_019cd85c-e915-7336-a87a-dfc50249746e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019cd85c-e916-73eb-bfa5-8fd314c76108" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019cd85c-e916-7675-adad-161e058dc917" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019cd85c-e916-73eb-bfa5-8fd314c76108" xlink:to="loc_us-gaap_CommonStockValue_019cd85c-e916-7675-adad-161e058dc917" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_019cd85c-e916-763d-8635-e1ece5becbd6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019cd85c-e916-73eb-bfa5-8fd314c76108" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_019cd85c-e916-763d-8635-e1ece5becbd6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019cd85c-e916-7ce5-bd13-805c465827c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019cd85c-e916-73eb-bfa5-8fd314c76108" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019cd85c-e916-7ce5-bd13-805c465827c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-76e7-b54c-450469dd2ade" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019cd85c-e916-73eb-bfa5-8fd314c76108" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-76e7-b54c-450469dd2ade" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019cd85c-e916-71e4-8841-b1aa44330c71" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019cd85c-e916-7c99-8059-ba7178644d32" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019cd85c-e916-71e4-8841-b1aa44330c71" xlink:to="loc_us-gaap_Liabilities_019cd85c-e916-7c99-8059-ba7178644d32" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019cd85c-e916-7904-9dd3-a78312c25495" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019cd85c-e916-71e4-8841-b1aa44330c71" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019cd85c-e916-7904-9dd3-a78312c25495" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-75aa-9f8b-2f74799b50b2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019cd85c-e916-71e4-8841-b1aa44330c71" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-75aa-9f8b-2f74799b50b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019cd85c-e915-7c84-9ab7-a00ab0ffbc79" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019cd85c-e915-7dc4-9aef-dd345d5590d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019cd85c-e915-7c84-9ab7-a00ab0ffbc79" xlink:to="loc_us-gaap_AssetsCurrent_019cd85c-e915-7dc4-9aef-dd345d5590d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_019cd85c-e915-7889-bc8b-8282e9882f37" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019cd85c-e915-7c84-9ab7-a00ab0ffbc79" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_019cd85c-e915-7889-bc8b-8282e9882f37" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019cd85c-e915-786f-9a87-19c1f873cedc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019cd85c-e915-7c84-9ab7-a00ab0ffbc79" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019cd85c-e915-786f-9a87-19c1f873cedc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019cd85c-e915-71ff-bae6-af792e487dac" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019cd85c-e915-7c84-9ab7-a00ab0ffbc79" xlink:to="loc_us-gaap_Goodwill_019cd85c-e915-71ff-bae6-af792e487dac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet_019cd85c-e915-752c-ad10-64b073f035a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherIntangibleAssetsNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019cd85c-e915-7c84-9ab7-a00ab0ffbc79" xlink:to="loc_us-gaap_OtherIntangibleAssetsNet_019cd85c-e915-752c-ad10-64b073f035a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_019cd85c-e915-7afa-bf84-722c8f209a45" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019cd85c-e915-7c84-9ab7-a00ab0ffbc79" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_019cd85c-e915-7afa-bf84-722c8f209a45" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019cd85c-e915-788f-824a-464e59e0583c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019cd85c-e915-7c84-9ab7-a00ab0ffbc79" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019cd85c-e915-788f-824a-464e59e0583c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/CondensedConsolidatedStatementsofOperationsUnaudited" xlink:type="simple" xlink:href="bco-20260331.xsd#CondensedConsolidatedStatementsofOperationsUnaudited"/>
  <link:calculationLink xlink:role="http://brinks.com/role/CondensedConsolidatedStatementsofOperationsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-7fd6-aa0c-d73d6bbf6c45" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019cd85c-e916-7b70-b757-75302ff72d9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-7fd6-aa0c-d73d6bbf6c45" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_019cd85c-e916-7b70-b757-75302ff72d9c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_019cd85c-e916-75c0-ade7-e91d6d8ff031" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-7fd6-aa0c-d73d6bbf6c45" xlink:to="loc_us-gaap_CostsAndExpenses_019cd85c-e916-75c0-ade7-e91d6d8ff031" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_019cd85c-e916-7b41-bb36-d83127968f97" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-7fd6-aa0c-d73d6bbf6c45" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_019cd85c-e916-7b41-bb36-d83127968f97" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-7b82-9ab2-0aff319d12ee" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019cd85c-e916-7b20-a6a3-e911abd7276e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-7b82-9ab2-0aff319d12ee" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019cd85c-e916-7b20-a6a3-e911abd7276e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019cd85c-e916-7a22-8087-23d05c53cfb4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-7b82-9ab2-0aff319d12ee" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019cd85c-e916-7a22-8087-23d05c53cfb4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_019cd85c-e916-7a06-b8a5-46bc80603f7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_019cd85c-e916-7027-b233-0e5ef7939c62" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareBasic_019cd85c-e916-7a06-b8a5-46bc80603f7e" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_019cd85c-e916-7027-b233-0e5ef7939c62" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019cd85c-e916-7e55-aa61-9bca926afc74" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-7640-9cad-187c697d00d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019cd85c-e916-7e55-aa61-9bca926afc74" xlink:to="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-7640-9cad-187c697d00d0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseNonoperating_019cd85c-e916-71b7-8d7e-44a1ea13358a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseNonoperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019cd85c-e916-7e55-aa61-9bca926afc74" xlink:to="loc_us-gaap_InterestExpenseNonoperating_019cd85c-e916-71b7-8d7e-44a1ea13358a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_019cd85c-e916-7538-8dbb-3793ac8ebfb8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019cd85c-e916-7e55-aa61-9bca926afc74" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_019cd85c-e916-7538-8dbb-3793ac8ebfb8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_019cd85c-e916-7402-91cb-49c72e00e721" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_019cd85c-e916-72fa-9ee9-b8ac671c911f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_EarningsPerShareDiluted_019cd85c-e916-7402-91cb-49c72e00e721" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_019cd85c-e916-72fa-9ee9-b8ac671c911f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019cd85c-e916-74c1-a0d5-9cf6d4d6fa4c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019cd85c-e916-799c-9903-852f00fac99f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019cd85c-e916-74c1-a0d5-9cf6d4d6fa4c" xlink:to="loc_us-gaap_ProfitLoss_019cd85c-e916-799c-9903-852f00fac99f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_019cd85c-e916-7618-8a53-e5a2e38b6280" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019cd85c-e916-74c1-a0d5-9cf6d4d6fa4c" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_019cd85c-e916-7618-8a53-e5a2e38b6280" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_019cd85c-e916-7b2c-b505-d2cdc262939f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019cd85c-e916-786d-90a5-de2b1ae63fe4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfRevenue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019cd85c-e916-7b2c-b505-d2cdc262939f" xlink:to="loc_us-gaap_CostOfRevenue_019cd85c-e916-786d-90a5-de2b1ae63fe4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherSellingGeneralAndAdministrativeExpense_019cd85c-e916-78ad-a1be-7713b21b0761" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherSellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_019cd85c-e916-7b2c-b505-d2cdc262939f" xlink:to="loc_us-gaap_OtherSellingGeneralAndAdministrativeExpense_019cd85c-e916-78ad-a1be-7713b21b0761" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019cd85c-e916-730a-85d0-83441849cc9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-7c2c-a92e-25e90db24b76" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ProfitLoss_019cd85c-e916-730a-85d0-83441849cc9f" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-7c2c-a92e-25e90db24b76" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited" xlink:type="simple" xlink:href="bco-20260331.xsd#CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited"/>
  <link:calculationLink xlink:role="http://brinks.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeLossUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_019cd85c-e916-7f38-9495-9ae83dfbe4c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019cd85c-e916-7838-bf7e-75e49711738b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_019cd85c-e916-7f38-9495-9ae83dfbe4c9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019cd85c-e916-7838-bf7e-75e49711738b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_019cd85c-e916-7da6-8285-0fdd28a26bcf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_019cd85c-e916-7f38-9495-9ae83dfbe4c9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_019cd85c-e916-7da6-8285-0fdd28a26bcf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_019cd85c-e916-7db9-bb94-11566702e3fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_019cd85c-e916-7f38-9495-9ae83dfbe4c9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_019cd85c-e916-7db9-bb94-11566702e3fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_019cd85c-e916-7dec-b6e2-4a0d32ade2c0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_019cd85c-e916-7f38-9495-9ae83dfbe4c9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_019cd85c-e916-7dec-b6e2-4a0d32ade2c0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019cd85c-e916-7752-8ab0-c33ed41c5260" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-7d00-8c5e-dec60ae695a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019cd85c-e916-7752-8ab0-c33ed41c5260" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-7d00-8c5e-dec60ae695a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019cd85c-e916-7bcd-adf6-eaad987cd980" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019cd85c-e916-7752-8ab0-c33ed41c5260" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_019cd85c-e916-7bcd-adf6-eaad987cd980" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-7c8b-a777-d3c43d4811dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019cd85c-e916-7c63-af73-00ff8fe9cf86" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-7c8b-a777-d3c43d4811dd" xlink:to="loc_us-gaap_ProfitLoss_019cd85c-e916-7c63-af73-00ff8fe9cf86" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-7b8f-8753-e54f6b156981" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_019cd85c-e916-7c8b-a777-d3c43d4811dd" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-7b8f-8753-e54f6b156981" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-70f5-9f26-cc09aa5e6cf1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_019cd85c-e916-7909-a516-ad0d094d776b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-70f5-9f26-cc09aa5e6cf1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_019cd85c-e916-7909-a516-ad0d094d776b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_019cd85c-e916-72ed-9609-917969918a88" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-70f5-9f26-cc09aa5e6cf1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_019cd85c-e916-72ed-9609-917969918a88" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019cd85c-e916-7957-abb8-ebb3043dbf6f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_019cd85c-e916-786b-aa16-54c6145eb8f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019cd85c-e916-7957-abb8-ebb3043dbf6f" xlink:to="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax_019cd85c-e916-786b-aa16-54c6145eb8f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_019cd85c-e916-77a3-b36d-b06fa13a3c9d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019cd85c-e916-7957-abb8-ebb3043dbf6f" xlink:to="loc_us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_019cd85c-e916-77a3-b36d-b06fa13a3c9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bco_OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansDeferredProfitSharing_019dd44f-b8bf-7a18-a1ff-5607a02439e5" xlink:href="bco-20260331.xsd#bco_OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansDeferredProfitSharing"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_019cd85c-e916-7957-abb8-ebb3043dbf6f" xlink:to="loc_bco_OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansDeferredProfitSharing_019dd44f-b8bf-7a18-a1ff-5607a02439e5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="simple" xlink:href="bco-20260331.xsd#CondensedConsolidatedStatementsofCashFlowsUnaudited"/>
  <link:calculationLink xlink:role="http://brinks.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019cd85c-e916-73d2-bc6f-5774dd1e3296" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-72ac-ae9c-375385c3d025" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019cd85c-e916-73d2-bc6f-5774dd1e3296" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-72ac-ae9c-375385c3d025" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019cd85c-e916-7a1f-b432-5fcb6cbf06fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019cd85c-e916-73d2-bc6f-5774dd1e3296" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019cd85c-e916-7a1f-b432-5fcb6cbf06fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-7bc3-8459-2c8fbcdf569b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019cd85c-e916-73d2-bc6f-5774dd1e3296" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-7bc3-8459-2c8fbcdf569b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019cd85c-e916-7bd3-93c8-19949c379ee5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019cd85c-e916-73d2-bc6f-5774dd1e3296" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019cd85c-e916-7bd3-93c8-19949c379ee5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019cd85c-e916-75ca-ad0e-b61270c90640" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_ProfitLoss_019cd85c-e916-75ca-ad0e-b61270c90640" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019cd85c-e916-79f6-b2c9-f9e79c1e2fe9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_019cd85c-e916-79f6-b2c9-f9e79c1e2fe9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019cd85c-e916-70a5-a07f-42466bfff1a5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_ShareBasedCompensation_019cd85c-e916-70a5-a07f-42466bfff1a5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019cd85c-e916-7d42-acb8-1da73b2fd46f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019cd85c-e916-7d42-acb8-1da73b2fd46f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfOtherAssets_019ddb20-9da2-78af-a864-8804a88f2ddc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainLossOnSaleOfOtherAssets"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_GainLossOnSaleOfOtherAssets_019ddb20-9da2-78af-a864-8804a88f2ddc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetImpairmentCharges_019cd85c-e916-740b-b901-065d388b5bf4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetImpairmentCharges"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_OtherAssetImpairmentCharges_019cd85c-e916-740b-b901-065d388b5bf4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionExpense_019cd85c-e916-796c-8842-7759f93805d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionExpense"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_PensionExpense_019cd85c-e916-796c-8842-7759f93805d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitExpense_019cd85c-e916-7fd4-8095-bbd2d15be05e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherPostretirementBenefitExpense"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_OtherPostretirementBenefitExpense_019cd85c-e916-7fd4-8095-bbd2d15be05e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019cd85c-e916-7ed2-965c-a62853133791" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019cd85c-e916-7ed2-965c-a62853133791" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_019cd85c-e916-7fb9-9300-72e4bceb238e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_019cd85c-e916-7fb9-9300-72e4bceb238e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_019cd85c-e916-7625-a215-0deedaf68769" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInReceivables"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_019cd85c-e916-7625-a215-0deedaf68769" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bco_AccountsPayableIncomeTaxesPayableAndAccruedLiabilities_019cd85c-e916-7287-9a7b-aa94f52b24eb" xlink:href="bco-20260331.xsd#bco_AccountsPayableIncomeTaxesPayableAndAccruedLiabilities"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_bco_AccountsPayableIncomeTaxesPayableAndAccruedLiabilities_019cd85c-e916-7287-9a7b-aa94f52b24eb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_019cd85c-e916-7f14-baed-8829a7ac21a8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerAsset"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_019cd85c-e916-7f14-baed-8829a7ac21a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bco_IncreaseDecreaseinCustomerObligations_019cd85c-e916-7ea0-82b0-5fba67425148" xlink:href="bco-20260331.xsd#bco_IncreaseDecreaseinCustomerObligations"/>
    <link:calculationArc order="14" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_bco_IncreaseDecreaseinCustomerObligations_019cd85c-e916-7ea0-82b0-5fba67425148" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_019cd85c-e916-704a-848b-3d393dd5e020" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:calculationArc order="15" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_019cd85c-e916-704a-848b-3d393dd5e020" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019cd85c-e916-705e-a420-59a9e51181c5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019cd85c-e916-78e5-8a86-0c1cf3bd5b29" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_019cd85c-e916-705e-a420-59a9e51181c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_019cd85c-e916-731d-bffa-309cf5a8753e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_019cd85c-e916-731d-bffa-309cf5a8753e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_019cd85c-e916-7050-8b1c-c07b2802e8ea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_019cd85c-e916-7050-8b1c-c07b2802e8ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_019cd85c-e916-73aa-9bdd-073d5563664f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_019cd85c-e916-73aa-9bdd-073d5563664f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_019cd85c-e916-7cdf-890e-61ba303f1eeb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_019cd85c-e916-7cdf-890e-61ba303f1eeb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfOtherLongTermDebt_019cd85c-e916-7bd6-8f29-1c38331505fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfOtherLongTermDebt"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_RepaymentsOfOtherLongTermDebt_019cd85c-e916-7bd6-8f29-1c38331505fc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_019cd85c-e916-7fe5-94d8-9ae37690dc96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToMinorityShareholders"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_019cd85c-e916-7fe5-94d8-9ae37690dc96" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_019cd85c-e916-7fc8-9b60-bd930da89d51" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_019cd85c-e916-7fc8-9b60-bd930da89d51" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019cd85c-e916-7862-ac28-85aef4d1ce3f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019cd85c-e916-7862-ac28-85aef4d1ce3f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_019cd85c-e916-7ccb-bbc0-c7cda7cf0063" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_019cd85c-e916-7ccb-bbc0-c7cda7cf0063" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsMinorityInterest_019cd85c-e916-7323-8c28-543321d77ca6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividendsMinorityInterest"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_PaymentsOfDividendsMinorityInterest_019cd85c-e916-7323-8c28-543321d77ca6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_019cd85c-e916-764c-a099-201ad09cd40a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_019cd85c-e916-764c-a099-201ad09cd40a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019cd85c-e916-70d6-83be-ced83bf9f37e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019cd85c-e916-75f3-b644-529c01c9106b" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_019cd85c-e916-70d6-83be-ced83bf9f37e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019cd85c-e916-76f0-9c4b-67b9e991576a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019cd85c-e916-7514-b288-33ae4cf387ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019cd85c-e916-76f0-9c4b-67b9e991576a" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019cd85c-e916-7514-b288-33ae4cf387ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019cd85c-e916-7d5a-8494-fb72e5f9c371" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019cd85c-e916-76f0-9c4b-67b9e991576a" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_019cd85c-e916-7d5a-8494-fb72e5f9c371" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_019cd85c-e916-7982-8f6f-5f8481a1aed7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019cd85c-e916-76f0-9c4b-67b9e991576a" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_019cd85c-e916-7982-8f6f-5f8481a1aed7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_019cd85c-e916-7184-ab7d-5eeed33a8268" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019cd85c-e916-76f0-9c4b-67b9e991576a" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_019cd85c-e916-7184-ab7d-5eeed33a8268" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019cd85c-e916-7280-8f4e-04032071def7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019cd85c-e916-76f0-9c4b-67b9e991576a" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_019cd85c-e916-7280-8f4e-04032071def7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromLoansAndLeases_019cd85c-e916-7f26-b348-78801f5ca342" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromLoansAndLeases"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019cd85c-e916-76f0-9c4b-67b9e991576a" xlink:to="loc_us-gaap_PaymentsForProceedsFromLoansAndLeases_019cd85c-e916-7f26-b348-78801f5ca342" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_019cd85c-e916-785d-a32c-024159d38c5e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019cd85c-e916-76f0-9c4b-67b9e991576a" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_019cd85c-e916-785d-a32c-024159d38c5e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019cd85c-e916-792f-bbb5-2d6ffe86f5ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019cd85c-e916-76f0-9c4b-67b9e991576a" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_019cd85c-e916-792f-bbb5-2d6ffe86f5ed" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/CondensedConsolidatedStatementsofOperationsUnauditedAlternativeCalc" xlink:type="simple" xlink:href="bco-20260331.xsd#CondensedConsolidatedStatementsofOperationsUnauditedAlternativeCalc"/>
  <link:calculationLink xlink:role="http://brinks.com/role/CondensedConsolidatedStatementsofOperationsUnauditedAlternativeCalc" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019cd85c-e916-76cb-90ee-d5a9b560151a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_019cd85c-e916-7a37-a56b-43192dda0c34" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019cd85c-e916-76cb-90ee-d5a9b560151a" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_019cd85c-e916-7a37-a56b-43192dda0c34" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/SegmentinformationRevenueandOperatingProfitsDetails" xlink:type="simple" xlink:href="bco-20260331.xsd#SegmentinformationRevenueandOperatingProfitsDetails"/>
  <link:calculationLink xlink:role="http://brinks.com/role/SegmentinformationRevenueandOperatingProfitsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-746e-bb46-d0c3d36886fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019cd85c-e916-72d5-af4a-5cef43026f5f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-746e-bb46-d0c3d36886fa" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019cd85c-e916-72d5-af4a-5cef43026f5f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019cd85c-e916-7004-81cd-a4b5feece4e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-746e-bb46-d0c3d36886fa" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_019cd85c-e916-7004-81cd-a4b5feece4e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostIncurredCost_019cd85c-e916-7ac8-b2d5-7f3e0b7ee5bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringAndRelatedCostIncurredCost"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-746e-bb46-d0c3d36886fa" xlink:to="loc_us-gaap_RestructuringAndRelatedCostIncurredCost_019cd85c-e916-7ac8-b2d5-7f3e0b7ee5bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bco_AcquisitionsAndDispositions_019cd85c-e916-7da2-b2ab-01fe7f0bc294" xlink:href="bco-20260331.xsd#bco_AcquisitionsAndDispositions"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-746e-bb46-d0c3d36886fa" xlink:to="loc_bco_AcquisitionsAndDispositions_019cd85c-e916-7da2-b2ab-01fe7f0bc294" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmountRecognizedInIncomeDueToInflationaryAccounting_019cd85c-e916-77f8-8f2d-7c6781aa1360" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmountRecognizedInIncomeDueToInflationaryAccounting"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-746e-bb46-d0c3d36886fa" xlink:to="loc_us-gaap_AmountRecognizedInIncomeDueToInflationaryAccounting_019cd85c-e916-77f8-8f2d-7c6781aa1360" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_bco_BusinessCombinationIntegrationRelatedCostAndTransformationInitiatives_019dc0bc-4758-7b0c-bd8b-7b76ee7bd299" xlink:href="bco-20260331.xsd#bco_BusinessCombinationIntegrationRelatedCostAndTransformationInitiatives"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-746e-bb46-d0c3d36886fa" xlink:to="loc_bco_BusinessCombinationIntegrationRelatedCostAndTransformationInitiatives_019dc0bc-4758-7b0c-bd8b-7b76ee7bd299" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyLossInPeriod_019cd85c-e916-7240-bd5f-37ac4e1bf66d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingencyLossInPeriod"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_019cd85c-e916-746e-bb46-d0c3d36886fa" xlink:to="loc_us-gaap_LossContingencyLossInPeriod_019cd85c-e916-7240-bd5f-37ac4e1bf66d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_019cd85c-e916-7ba7-81f2-af4383a00bf4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfRevenue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDirectLabor_019cd85c-e916-70b1-8e5b-cc299823ed7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostDirectLabor"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostOfRevenue_019cd85c-e916-7ba7-81f2-af4383a00bf4" xlink:to="loc_us-gaap_CostDirectLabor_019cd85c-e916-70b1-8e5b-cc299823ed7e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostOfOperatingRevenue_019cd85c-e916-7627-a807-6ab45c86ddc5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherCostOfOperatingRevenue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CostOfRevenue_019cd85c-e916-7ba7-81f2-af4383a00bf4" xlink:to="loc_us-gaap_OtherCostOfOperatingRevenue_019cd85c-e916-7627-a807-6ab45c86ddc5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/SegmentinformationCapitalExpendituresDepreciationAmortizationDetails" xlink:type="simple" xlink:href="bco-20260331.xsd#SegmentinformationCapitalExpendituresDepreciationAmortizationDetails"/>
  <link:calculationLink xlink:role="http://brinks.com/role/SegmentinformationCapitalExpendituresDepreciationAmortizationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_019cd85c-e916-784b-a8f6-9926d55a5e6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019cd85c-e916-7be3-9a67-093e86d9c476" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization_019cd85c-e916-784b-a8f6-9926d55a5e6a" xlink:to="loc_us-gaap_Depreciation_019cd85c-e916-7be3-9a67-093e86d9c476" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_019cd85c-e916-7deb-990e-836913f3eb02" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization_019cd85c-e916-784b-a8f6-9926d55a5e6a" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_019cd85c-e916-7deb-990e-836913f3eb02" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/RetirementbenefitsRetirementCostDetails" xlink:type="simple" xlink:href="bco-20260331.xsd#RetirementbenefitsRetirementCostDetails"/>
  <link:calculationLink xlink:role="http://brinks.com/role/RetirementbenefitsRetirementCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019cd85c-e916-7fe6-9cee-d17d4c7c091a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_019cd85c-e916-7e1a-9697-1c8f62704ace" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019cd85c-e916-7fe6-9cee-d17d4c7c091a" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_019cd85c-e916-7e1a-9697-1c8f62704ace" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_019cd85c-e916-7987-88b6-847f971d15de" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019cd85c-e916-7fe6-9cee-d17d4c7c091a" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_019cd85c-e916-7987-88b6-847f971d15de" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019cd85c-e916-798f-96d0-e3194bdc8fcc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019cd85c-e916-7fe6-9cee-d17d4c7c091a" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019cd85c-e916-798f-96d0-e3194bdc8fcc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_019cd85c-e916-7396-8c54-21f56e00da2e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019cd85c-e916-7fe6-9cee-d17d4c7c091a" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_019cd85c-e916-7396-8c54-21f56e00da2e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019cd85c-e916-73ba-9e3b-1f9e5dcd430f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019cd85c-e916-7fe6-9cee-d17d4c7c091a" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019cd85c-e916-73ba-9e3b-1f9e5dcd430f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_019cd85c-e916-78ad-8265-1d60f4231e92" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019cd85c-e916-7fe6-9cee-d17d4c7c091a" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1_019cd85c-e916-78ad-8265-1d60f4231e92" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/AccumulatedothercomprehensiveincomelossAmountsinOCIDetails" xlink:type="simple" xlink:href="bco-20260331.xsd#AccumulatedothercomprehensiveincomelossAmountsinOCIDetails"/>
  <link:calculationLink xlink:role="http://brinks.com/role/AccumulatedothercomprehensiveincomelossAmountsinOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-710d-acad-7de0863b8530" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_019cd85c-e916-7dda-9119-3bbd3cc28263" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-710d-acad-7de0863b8530" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_019cd85c-e916-7dda-9119-3bbd3cc28263" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_019cd85c-e916-75d9-9b87-2897fdd77e66" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-710d-acad-7de0863b8530" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsTax_019cd85c-e916-75d9-9b87-2897fdd77e66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_019cd85c-e916-7e67-abfc-1ace25b45f6d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-710d-acad-7de0863b8530" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_019cd85c-e916-7e67-abfc-1ace25b45f6d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_019cd85c-e916-72c9-b802-ea707e51e1fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAociCurrentPeriodTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-710d-acad-7de0863b8530" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_019cd85c-e916-72c9-b802-ea707e51e1fb" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/AccumulatedothercomprehensiveincomelossReclassesoutofAOCIDetails" xlink:type="simple" xlink:href="bco-20260331.xsd#AccumulatedothercomprehensiveincomelossReclassesoutofAOCIDetails"/>
  <link:calculationLink xlink:role="http://brinks.com/role/AccumulatedothercomprehensiveincomelossReclassesoutofAOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-723a-8678-14e1c3fc821e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019cd85c-e916-7c27-8227-36ff1db0918c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-723a-8678-14e1c3fc821e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_019cd85c-e916-7c27-8227-36ff1db0918c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_019cd85c-e916-70d9-80af-fa3b3375c577" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019cd85c-e916-723a-8678-14e1c3fc821e" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_019cd85c-e916-70d9-80af-fa3b3375c577" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/FairvalueoffinancialinstrumentsEconomicHedgesDetails" xlink:type="simple" xlink:href="bco-20260331.xsd#FairvalueoffinancialinstrumentsEconomicHedgesDetails"/>
  <link:calculationLink xlink:role="http://brinks.com/role/FairvalueoffinancialinstrumentsEconomicHedgesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet_019de47b-c425-7c75-9656-d45309e4d43b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_019de47b-c425-7630-bfdf-360fa072d975" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet_019de47b-c425-7c75-9656-d45309e4d43b" xlink:to="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_019de47b-c425-7630-bfdf-360fa072d975" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_019de47b-c425-77fe-8ebc-f164f20815bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAtFairValueNet_019de47b-c425-7c75-9656-d45309e4d43b" xlink:to="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_019de47b-c425-77fe-8ebc-f164f20815bd" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/FairvalueoffinancialinstrumentsInterestRateSwapsDetails" xlink:type="simple" xlink:href="bco-20260331.xsd#FairvalueoffinancialinstrumentsInterestRateSwapsDetails"/>
  <link:calculationLink xlink:role="http://brinks.com/role/FairvalueoffinancialinstrumentsInterestRateSwapsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateDerivativesAtFairValueNet_019de47c-1fd5-7f8c-9bc3-16b9154d22a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateDerivativesAtFairValueNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateDerivativeAssetsAtFairValue_019de47c-1fd5-7c38-9f7f-930a81fad1a7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateDerivativeAssetsAtFairValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestRateDerivativesAtFairValueNet_019de47c-1fd5-7f8c-9bc3-16b9154d22a0" xlink:to="loc_us-gaap_InterestRateDerivativeAssetsAtFairValue_019de47c-1fd5-7c38-9f7f-930a81fad1a7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_019de47c-1fd5-7291-a45b-19d9e6c02393" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateDerivativeLiabilitiesAtFairValue"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InterestRateDerivativesAtFairValueNet_019de47c-1fd5-7f8c-9bc3-16b9154d22a0" xlink:to="loc_us-gaap_InterestRateDerivativeLiabilitiesAtFairValue_019de47c-1fd5-7291-a45b-19d9e6c02393" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/DebtDetails" xlink:type="simple" xlink:href="bco-20260331.xsd#DebtDetails"/>
  <link:calculationLink xlink:role="http://brinks.com/role/DebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019cd85c-e916-734c-a6e4-0f5022d8d34d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_019cd85c-e916-7d0e-a8df-4bcfe71f3103" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermBorrowings"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019cd85c-e916-734c-a6e4-0f5022d8d34d" xlink:to="loc_us-gaap_ShortTermBorrowings_019cd85c-e916-7d0e-a8df-4bcfe71f3103" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019cd85c-e916-7458-8382-11f432acb02c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019cd85c-e916-734c-a6e4-0f5022d8d34d" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019cd85c-e916-7458-8382-11f432acb02c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019cd85c-e916-78b8-85da-a8b2d79df0f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_019cd85c-e916-7844-9957-93717dccfb33" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019cd85c-e916-78b8-85da-a8b2d79df0f2" xlink:to="loc_us-gaap_LongTermDebt_019cd85c-e916-7844-9957-93717dccfb33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_019cd85c-e916-79f9-9312-8d7645b1f894" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_019cd85c-e916-78b8-85da-a8b2d79df0f2" xlink:to="loc_us-gaap_FinanceLeaseLiability_019cd85c-e916-79f9-9312-8d7645b1f894" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/DebtDetails_1" xlink:type="simple" xlink:href="bco-20260331.xsd#DebtDetails_1"/>
  <link:calculationLink xlink:role="http://brinks.com/role/DebtDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019cd85c-e916-71a2-98bd-d6cee40fbc3a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtCurrent_019cd85c-e916-772b-89e0-bc3d568d5846" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019cd85c-e916-71a2-98bd-d6cee40fbc3a" xlink:to="loc_us-gaap_DebtCurrent_019cd85c-e916-772b-89e0-bc3d568d5846" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019cd85c-e916-7d17-9ffd-d76586f1530c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_019cd85c-e916-71a2-98bd-d6cee40fbc3a" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019cd85c-e916-7d17-9ffd-d76586f1530c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/SharebasedcompensationplansCompensationExpenseDetails" xlink:type="simple" xlink:href="bco-20260331.xsd#SharebasedcompensationplansCompensationExpenseDetails"/>
  <link:calculationLink xlink:role="http://brinks.com/role/SharebasedcompensationplansCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_019cd85c-e916-7f5e-ab00-dbf4f98cf63f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_019cd85c-e916-7f5e-80f3-96e957428f93" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_019cd85c-e916-7f5e-ab00-dbf4f98cf63f" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_019cd85c-e916-7f5e-80f3-96e957428f93" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_019cd85c-e916-7ec8-ba32-92167295a5e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_019cd85c-e916-7f5e-ab00-dbf4f98cf63f" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_019cd85c-e916-7ec8-ba32-92167295a5e0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/CapitalStockSharesUsedtoCalculateEarningsperShareDetails" xlink:type="simple" xlink:href="bco-20260331.xsd#CapitalStockSharesUsedtoCalculateEarningsperShareDetails"/>
  <link:calculationLink xlink:role="http://brinks.com/role/CapitalStockSharesUsedtoCalculateEarningsperShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019cd85c-e916-77d5-9cd8-299616ae05e6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019cd85c-e916-7acf-880f-6f87d3f9f9cb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019cd85c-e916-77d5-9cd8-299616ae05e6" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019cd85c-e916-7acf-880f-6f87d3f9f9cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_019cd85c-e916-78b3-bed1-c43e9ae45bba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019cd85c-e916-77d5-9cd8-299616ae05e6" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_019cd85c-e916-78b3-bed1-c43e9ae45bba" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://brinks.com/role/SupplementalcashflowinformationDetails" xlink:type="simple" xlink:href="bco-20260331.xsd#SupplementalcashflowinformationDetails"/>
  <link:calculationLink xlink:role="http://brinks.com/role/SupplementalcashflowinformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019cd85c-e9c5-7a86-95eb-7b0d7891b560" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019cd85c-e9c5-7552-bad9-0d99d9776d19" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019cd85c-e9c5-7a86-95eb-7b0d7891b560" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019cd85c-e9c5-7552-bad9-0d99d9776d19" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_019cd85c-e9c5-7995-9411-6fdcd445e95e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_019cd85c-e9c5-7a86-95eb-7b0d7891b560" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_019cd85c-e9c5-7995-9411-6fdcd445e95e" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
