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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019d7327-b116-7038-99c0-81096a4c9e8f,g:8822baea-ddfe-4cdc-8a7b-e553fa912467-->
<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://alti-global.com/role/Cover" xlink:type="simple" xlink:href="alti-20260511.xsd#Cover"/>
  <link:presentationLink xlink:role="http://alti-global.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019d7327-b116-7faf-9d9d-7ed50c02d932" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_DocumentType_019d7327-b116-7faf-9d9d-7ed50c02d932" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019d7327-b116-7f5b-b927-5f2033f852c1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_DocumentPeriodEndDate_019d7327-b116-7f5b-b927-5f2033f852c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019d7327-b116-7a75-983d-623b0c062760" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_EntityRegistrantName_019d7327-b116-7a75-983d-623b0c062760" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019d7327-b116-722d-9f4d-8193452e9209" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019d7327-b116-722d-9f4d-8193452e9209" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019d7327-b116-7137-8c2f-e87715b3fe67" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_EntityFileNumber_019d7327-b116-7137-8c2f-e87715b3fe67" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019d7327-b116-7043-beb7-1b354cc9a160" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_EntityTaxIdentificationNumber_019d7327-b116-7043-beb7-1b354cc9a160" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019d7327-b116-79c2-88e2-e10220c9aa65" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_EntityAddressAddressLine1_019d7327-b116-79c2-88e2-e10220c9aa65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019d7327-b116-764b-afa4-46fda40af77f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_EntityAddressCityOrTown_019d7327-b116-764b-afa4-46fda40af77f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019d7327-b116-7f9a-bbb5-ef209d984e33" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_EntityAddressStateOrProvince_019d7327-b116-7f9a-bbb5-ef209d984e33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019d7327-b116-7dd5-a86a-cc514d9ff9b1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_EntityAddressPostalZipCode_019d7327-b116-7dd5-a86a-cc514d9ff9b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019d7327-b116-70fa-8639-d96744d4578f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_CityAreaCode_019d7327-b116-70fa-8639-d96744d4578f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019d7327-b116-7702-865c-184bca4d28a0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_LocalPhoneNumber_019d7327-b116-7702-865c-184bca4d28a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019d7327-b116-7592-855a-6805d5479968" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_WrittenCommunications_019d7327-b116-7592-855a-6805d5479968" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019d7327-b116-7cc9-805c-573fc0ac01ea" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_SolicitingMaterial_019d7327-b116-7cc9-805c-573fc0ac01ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019d7327-b116-785c-94df-cfd6f0736a71" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_PreCommencementTenderOffer_019d7327-b116-785c-94df-cfd6f0736a71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019d7327-b116-78a2-85e3-1acd6603e6e9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019d7327-b116-78a2-85e3-1acd6603e6e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019d7327-b116-7fd4-9a40-b51f6b75a9c5" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_Security12bTitle_019d7327-b116-7fd4-9a40-b51f6b75a9c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019d7327-b116-75ea-996b-fb5fef465e96" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_TradingSymbol_019d7327-b116-75ea-996b-fb5fef465e96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019d7327-b116-77c7-ace1-fb59cab6bc06" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_SecurityExchangeName_019d7327-b116-77c7-ace1-fb59cab6bc06" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019d7327-b116-73e9-aee7-e7d59d99e455" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_EntityEmergingGrowthCompany_019d7327-b116-73e9-aee7-e7d59d99e455" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_019d7327-b116-7cb5-9d49-a36324065d43" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityExTransitionPeriod"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_EntityExTransitionPeriod_019d7327-b116-7cb5-9d49-a36324065d43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019d7327-b116-76f3-936d-cca1c2a4ae6e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_EntityCentralIndexKey_019d7327-b116-76f3-936d-cca1c2a4ae6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019d7327-b116-733b-9e36-e9be6a37223a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019d7327-b116-7598-b21d-18f96bd8b201" xlink:to="loc_dei_AmendmentFlag_019d7327-b116-733b-9e36-e9be6a37223a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
