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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a03423-7a05-72e2-b97d-5e5511f2e07f,g:0fc1926a-b13e-4c5a-823c-a49cf4146245-->
<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:roleRef roleURI="http://baldwin.com/role/DEIDocument" xlink:type="simple" xlink:href="bwin-20261009.xsd#DEIDocument"/>
  <link:presentationLink xlink:role="http://baldwin.com/role/DEIDocument" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_01a03423-7a05-7cb1-8977-e62be6a3ca73" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_AmendmentFlag_01a03423-7a05-7cb1-8977-e62be6a3ca73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_01a03423-7a05-78b8-8dbe-e273c70fc977" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_EntityCentralIndexKey_01a03423-7a05-78b8-8dbe-e273c70fc977" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_01a03423-7a05-71e4-abcd-16c8b6c1a281" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_DocumentType_01a03423-7a05-71e4-abcd-16c8b6c1a281" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_01a03423-7a05-75a5-ba2d-c088bf2c7e59" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_DocumentPeriodEndDate_01a03423-7a05-75a5-ba2d-c088bf2c7e59" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_01a03423-7a05-761e-b9b5-1ce7474ce552" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_EntityRegistrantName_01a03423-7a05-761e-b9b5-1ce7474ce552" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_01a03423-7a05-7f62-9460-c6862ac2f12d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_EntityIncorporationStateCountryCode_01a03423-7a05-7f62-9460-c6862ac2f12d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_01a03423-7a05-7cc6-8d0f-ef744f6ecca1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_EntityFileNumber_01a03423-7a05-7cc6-8d0f-ef744f6ecca1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_01a03423-7a05-7235-8e1e-f23655f9acee" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_EntityTaxIdentificationNumber_01a03423-7a05-7235-8e1e-f23655f9acee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_01a03423-7a05-7430-8965-033f03344100" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_EntityAddressAddressLine1_01a03423-7a05-7430-8965-033f03344100" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_01a03423-7a05-7bdd-8605-bdcaa4a3f64c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_EntityAddressAddressLine2_01a03423-7a05-7bdd-8605-bdcaa4a3f64c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_01a03423-7a05-7075-80f4-4ccd97bc3de4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_EntityAddressCityOrTown_01a03423-7a05-7075-80f4-4ccd97bc3de4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_01a03423-7a05-7c52-8897-b69dbcab7ef0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_EntityAddressStateOrProvince_01a03423-7a05-7c52-8897-b69dbcab7ef0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_01a03423-7a05-74e3-a540-e6ae139ee86e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_EntityAddressPostalZipCode_01a03423-7a05-74e3-a540-e6ae139ee86e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_01a03423-7a05-7e61-9534-17040b3b9727" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_CityAreaCode_01a03423-7a05-7e61-9534-17040b3b9727" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_01a03423-7a05-7e30-88e5-db9db86c279f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_LocalPhoneNumber_01a03423-7a05-7e30-88e5-db9db86c279f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_01a03423-7a05-7e6a-90d4-b745b47caa54" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_WrittenCommunications_01a03423-7a05-7e6a-90d4-b745b47caa54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_01a03423-7a05-7936-be75-859158451548" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_SolicitingMaterial_01a03423-7a05-7936-be75-859158451548" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_01a03423-7a05-722f-9354-4654c857a397" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_PreCommencementTenderOffer_01a03423-7a05-722f-9354-4654c857a397" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_01a03423-7a05-7ea6-a3d1-108605e68fa0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_01a03423-7a05-7ea6-a3d1-108605e68fa0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_01a03423-7a05-7d1f-a625-f305f5efe7d1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_Security12bTitle_01a03423-7a05-7d1f-a625-f305f5efe7d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_01a03423-7a05-76c9-a5e6-e00524363395" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_TradingSymbol_01a03423-7a05-76c9-a5e6-e00524363395" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_01a03423-7a05-7e37-8d4a-e411a567c1e7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_SecurityExchangeName_01a03423-7a05-7e37-8d4a-e411a567c1e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_01a03423-7a05-7443-b874-e0500d312638" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a03423-7a05-7627-9a45-a0e709c3fc20" xlink:to="loc_dei_EntityEmergingGrowthCompany_01a03423-7a05-7443-b874-e0500d312638" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
