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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e3bad-d486-79f2-a2a6-48f87d370d61,g:db2364f4-dd0a-4455-ba92-91d721e39861-->
<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-20260810.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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019e3bad-d486-7948-b11e-682f8e33f1a5" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_DocumentType_019e3bad-d486-7948-b11e-682f8e33f1a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019e3bad-d486-7aec-8b98-f9fb9da0f9b1" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_DocumentPeriodEndDate_019e3bad-d486-7aec-8b98-f9fb9da0f9b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019e3bad-d486-7d1c-9563-7b1c793630e8" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_EntityRegistrantName_019e3bad-d486-7d1c-9563-7b1c793630e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019e3bad-d486-7ef3-84c9-d97a6478b320" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019e3bad-d486-7ef3-84c9-d97a6478b320" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019e3bad-d486-76d3-a86e-65bb783d4f54" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_EntityFileNumber_019e3bad-d486-76d3-a86e-65bb783d4f54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019e3bad-d486-7bb9-b12a-dbdf76ae561e" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_EntityTaxIdentificationNumber_019e3bad-d486-7bb9-b12a-dbdf76ae561e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019e3bad-d486-7c25-94f3-f910ed017a04" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_EntityAddressAddressLine1_019e3bad-d486-7c25-94f3-f910ed017a04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019e3bad-d486-7d98-96fa-a4915f5d53be" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_EntityAddressCityOrTown_019e3bad-d486-7d98-96fa-a4915f5d53be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019e3bad-d486-7b95-a82c-72b1a21292bb" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_EntityAddressStateOrProvince_019e3bad-d486-7b95-a82c-72b1a21292bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019e3bad-d486-7bf7-a246-e3bd9c8e3505" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_EntityAddressPostalZipCode_019e3bad-d486-7bf7-a246-e3bd9c8e3505" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019e3bad-d486-76c2-bce3-cf392fc468a4" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_CityAreaCode_019e3bad-d486-76c2-bce3-cf392fc468a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019e3bad-d486-76ae-8a5e-4d3ce8049dbe" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_LocalPhoneNumber_019e3bad-d486-76ae-8a5e-4d3ce8049dbe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019e3bad-d486-7ddc-9cac-f2b066c3d700" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_WrittenCommunications_019e3bad-d486-7ddc-9cac-f2b066c3d700" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019e3bad-d486-7d1b-83bd-7806e5c319b6" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_SolicitingMaterial_019e3bad-d486-7d1b-83bd-7806e5c319b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019e3bad-d486-72a2-abf4-48248d9f79ae" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_PreCommencementTenderOffer_019e3bad-d486-72a2-abf4-48248d9f79ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019e3bad-d486-7321-9692-34b15d43e6c4" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019e3bad-d486-7321-9692-34b15d43e6c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019e3bad-d486-713f-ba29-5bcb4e18dcf4" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_Security12bTitle_019e3bad-d486-713f-ba29-5bcb4e18dcf4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019e3bad-d486-7c8d-9118-8097518b652f" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_TradingSymbol_019e3bad-d486-7c8d-9118-8097518b652f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019e3bad-d486-71dc-97c2-8c9acff28fec" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_SecurityExchangeName_019e3bad-d486-71dc-97c2-8c9acff28fec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019e3bad-d486-788c-a310-d7084ad0f1eb" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_EntityEmergingGrowthCompany_019e3bad-d486-788c-a310-d7084ad0f1eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_019e3bad-d486-76b7-bb49-6be065ddc515" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_EntityExTransitionPeriod_019e3bad-d486-76b7-bb49-6be065ddc515" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019e3bad-d486-78d5-b20b-fb5add5ea825" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_EntityCentralIndexKey_019e3bad-d486-78d5-b20b-fb5add5ea825" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019e3bad-d486-72d7-8bc0-679cfcb32a24" 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_019e3bad-d486-7b76-bfa9-8fda6306ee4f" xlink:to="loc_dei_AmendmentFlag_019e3bad-d486-72d7-8bc0-679cfcb32a24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
