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  <xs:element id="alti_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedCompensationAndProfitSharing" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedCompensationAndProfitSharing" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_ShareholderLoanMember" abstract="true" name="ShareholderLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_TWMHAndTIGShareholdersMember" abstract="true" name="TWMHAndTIGShareholdersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquitySharesToBeIssuedPercent" abstract="false" name="BusinessCombinationContingentConsiderationEquitySharesToBeIssuedPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedMemberDistributionPayable" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedMemberDistributionPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_EarnInPaymentSecondDate" abstract="false" name="EarnInPaymentSecondDate" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_SignificantAccountingPoliciesTable" abstract="true" name="SignificantAccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="alti_TIGArbitrageAssociatesMasterFundMember" abstract="true" name="TIGArbitrageAssociatesMasterFundMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_AssetManagementSegmentMember" abstract="true" name="AssetManagementSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareNumberOfConsecutiveTradingDays" abstract="false" name="BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareNumberOfConsecutiveTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
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  <xs:element id="alti_EarnInExpense" abstract="false" name="EarnInExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAdditionalPaidInCapital" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAdditionalPaidInCapital" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_BusinessCombinationConsiderationTransferredTaxReceivableAgreement" abstract="false" name="BusinessCombinationConsiderationTransferredTaxReceivableAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContractWithCustomerReceivableAfterAllowanceForCreditLoss" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContractWithCustomerReceivableAfterAllowanceForCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_EntityOwnedByManagementOfAlvariumHomeREITAdvisorsLtdAHRAMember" abstract="true" name="EntityOwnedByManagementOfAlvariumHomeREITAdvisorsLtdAHRAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="alti_OrganizationConsolidationAndPresentationOfFinancialStatementsTable" abstract="true" name="OrganizationConsolidationAndPresentationOfFinancialStatementsTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="alti_ShareBasedPaymentArrangementNoncashExpenseExcludingRestrictedUnits" abstract="false" name="ShareBasedPaymentArrangementNoncashExpenseExcludingRestrictedUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquityNumberOfSharesIssuedToBeIssued" abstract="false" name="BusinessCombinationContingentConsiderationEquityNumberOfSharesIssuedToBeIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="alti_DelayedSharePurchaseAgreementShareAndCashCompensation" abstract="false" name="DelayedSharePurchaseAgreementShareAndCashCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_DebtConversionDueDateTerminationOfEmployment" abstract="false" name="DebtConversionDueDateTerminationOfEmployment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShare" abstract="false" name="BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="alti_EarnoutSharesTrancheTwoMember" abstract="true" name="EarnoutSharesTrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_StockIssuedDuringPeriodSharesWarrantsExercised" abstract="false" name="StockIssuedDuringPeriodSharesWarrantsExercised" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="alti_OtherIncomeExpensePolicyPolicyTextBlock" abstract="false" name="OtherIncomeExpensePolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="alti_SponsorAndSellingShareholdersOfTWMHTIGAndAlvariumMember" abstract="true" name="SponsorAndSellingShareholdersOfTWMHTIGAndAlvariumMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_LondonInterbankOfferedRateLIBOR1Member" abstract="true" name="LondonInterbankOfferedRateLIBOR1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_RevenueFromContractWithCustomerEquityStructuresPercentageOfEquityValueCommittedOrDrawn" abstract="false" name="RevenueFromContractWithCustomerEquityStructuresPercentageOfEquityValueCommittedOrDrawn" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_AccruedMemberDistributionsPayable" abstract="false" name="AccruedMemberDistributionsPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_ManagementAdvisoryFeesMember" abstract="true" name="ManagementAdvisoryFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsPayableAndAccruedExpenses" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsPayableAndAccruedExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_BusinessCombinationConsiderationTransferredDeferredCashConsideration" abstract="false" name="BusinessCombinationConsiderationTransferredDeferredCashConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_DebtInstrumentFaceAmountWithDebtForgivenessProvision" abstract="false" name="DebtInstrumentFaceAmountWithDebtForgivenessProvision" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentContractWithCustomerReceivable" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentContractWithCustomerReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_ShareAwardsMember" abstract="true" name="ShareAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
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  <xs:element id="alti_EarnInPaymentFirstDate" abstract="false" name="EarnInPaymentFirstDate" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_EquitySecuritiesFVNIRedemptionsRequiredNoticeTerm" abstract="false" name="EquitySecuritiesFVNIRedemptionsRequiredNoticeTerm" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
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  <xs:element id="alti_ContractWithCustomerReceivableAfterAllowanceForCreditLossRollForward" abstract="true" name="ContractWithCustomerReceivableAfterAllowanceForCreditLossRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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  <xs:element id="alti_DistributionMadeToLimitedLiabilityCompanyLLCMemberTaxDistributionsPaid" abstract="false" name="DistributionMadeToLimitedLiabilityCompanyLLCMemberTaxDistributionsPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_OperatingLeasesFixedRentPaymentAfterFreeRentTerm" abstract="false" name="OperatingLeasesFixedRentPaymentAfterFreeRentTerm" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEarnInConsiderationPayable" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEarnInConsiderationPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_RevenueFromContractWithCustomerDebtStructuresTerm" abstract="false" name="RevenueFromContractWithCustomerDebtStructuresTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alti_TaxReceivableAgreementAdministeringCostsAndExpensesPercentageOfObligationOfCompany" abstract="false" name="TaxReceivableAgreementAdministeringCostsAndExpensesPercentageOfObligationOfCompany" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
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  <xs:element id="alti_ClassBCommonStockAndClassBUnitsMember" abstract="true" name="ClassBCommonStockAndClassBUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="alti_BloombergShortTermBankYieldIndexRateBSBYMember" abstract="true" name="BloombergShortTermBankYieldIndexRateBSBYMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAndAccruedExpenses" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAndAccruedExpenses" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_BusinessCombinationConsiderationTransferredEarnoutConsideration" abstract="false" name="BusinessCombinationConsiderationTransferredEarnoutConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_TiedemannInternationalHoldingsAGTIHMember" abstract="true" name="TiedemannInternationalHoldingsAGTIHMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_DisposalGroupIncludingDiscontinuedOperationContractWithCustomerLiability" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationContractWithCustomerLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_RevenueFromContractWithCustomerAcquisitionFeesPercentageOfPurchasePriceInAcquisition" abstract="false" name="RevenueFromContractWithCustomerAcquisitionFeesPercentageOfPurchasePriceInAcquisition" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
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  <xs:element id="alti_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherLiabilities" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOtherLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_InvestmentManagementAgreementsMember" abstract="true" name="InvestmentManagementAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="alti_LineOfCreditFacilityAccordionFeatureMaximumBorrowingCapacity" abstract="false" name="LineOfCreditFacilityAccordionFeatureMaximumBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_GainLossOnTaxReceivableAgreement" abstract="false" name="GainLossOnTaxReceivableAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_TIGGPAndTIGMGMTMembersMember" abstract="true" name="TIGGPAndTIGMGMTMembersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="alti_InterestPaymentsOnTermNotesAndLinesOfCredit" abstract="false" name="InterestPaymentsOnTermNotesAndLinesOfCredit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_MeasurementInputCostOfDebtRangeMember" abstract="true" name="MeasurementInputCostOfDebtRangeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_DelayedSharePurchaseAgreementTIHSPAMember" abstract="true" name="DelayedSharePurchaseAgreementTIHSPAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_BusinessCombinationConversionOfStockUponClosingExpense" abstract="false" name="BusinessCombinationConversionOfStockUponClosingExpense" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="alti_EarnOutsMember" abstract="true" name="EarnOutsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_DisposalGroupIncludingDiscontinuedOperationContractWithCustomerReceivableAfterAllowanceForCreditLoss" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationContractWithCustomerReceivableAfterAllowanceForCreditLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_AdjustmentsForAdditionalPaidInCapitalPaymentForPartnersTax" abstract="false" name="AdjustmentsForAdditionalPaidInCapitalPaymentForPartnersTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareNumberOfTradingDays" abstract="false" name="BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareNumberOfTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alti_InvestmentUnaffiliatedManagementCompaniesMember" abstract="true" name="InvestmentUnaffiliatedManagementCompaniesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_PaymentOfPayoutRight" abstract="false" name="PaymentOfPayoutRight" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_DefinedContributionPlanCostPayable" abstract="false" name="DefinedContributionPlanCostPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightOfUseAsset" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_TaxReceivableAgreementLiability" abstract="false" name="TaxReceivableAgreementLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_SignificantAccountingPoliciesLineItems" abstract="true" name="SignificantAccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="alti_GainLossOnEarnIn" abstract="false" name="GainLossOnEarnIn" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_EarnInConsiderationPayableMember" abstract="true" name="EarnInConsiderationPayableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_DebtInstrumentForgivenessInitialPeriodToDetermineIfPrincipalAndInterestWillBeForgivenNumberOfPeriods" abstract="false" name="DebtInstrumentForgivenessInitialPeriodToDetermineIfPrincipalAndInterestWillBeForgivenNumberOfPeriods" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="alti_NumberOfFundsManaged" abstract="false" name="NumberOfFundsManaged" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="alti_RevenueFromContractWithCustomerArrangementFeesPercentageOfEquityValueContributedInTransaction" abstract="false" name="RevenueFromContractWithCustomerArrangementFeesPercentageOfEquityValueContributedInTransaction" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_LineOfCreditFacilityAccordionFeatureAdditionalBorrowingCapacityOption" abstract="false" name="LineOfCreditFacilityAccordionFeatureAdditionalBorrowingCapacityOption" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_DisposalGroupDisposalTerm" abstract="false" name="DisposalGroupDisposalTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alti_PayoutRightFairValue" abstract="false" name="PayoutRightFairValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_CashFlowLesseeAbstract" abstract="true" name="CashFlowLesseeAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="alti_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentContractWithCustomerOtherAssets" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentContractWithCustomerOtherAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_InvestmentsExternalStrategicManagersMember" abstract="true" name="InvestmentsExternalStrategicManagersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_CreditFacilityMember" abstract="true" name="CreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_LineOfCreditFacilityUnfundedCommitmentAmount" abstract="false" name="LineOfCreditFacilityUnfundedCommitmentAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_BoardOfDirectorsMember" abstract="true" name="BoardOfDirectorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_AlternativesPlatformMember" abstract="true" name="AlternativesPlatformMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_MembersEquityReallocationOfBookCapital" abstract="false" name="MembersEquityReallocationOfBookCapital" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_AdjustmentsToAdditionalPaidInCapitalTaxReceivableAgreementExchange" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalTaxReceivableAgreementExchange" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_MeasurementInputLiabilityDiscountRateMember" abstract="true" name="MeasurementInputLiabilityDiscountRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_AlvariumEmployeeAwardsBenefitingAcquirerMember" abstract="true" name="AlvariumEmployeeAwardsBenefitingAcquirerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_TWMHMembersMember" abstract="true" name="TWMHMembersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_NonControllingInterestHoldersTaxReceivableAgreementsMember" abstract="true" name="NonControllingInterestHoldersTaxReceivableAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_OperatingSegmentsNumberOfRevenueGeneratingCategories" abstract="false" name="OperatingSegmentsNumberOfRevenueGeneratingCategories" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationLiabilityMember" abstract="true" name="BusinessCombinationContingentConsiderationLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_CommonStockNumberOfVotesPercentageOfTotalVotingPower" abstract="false" name="CommonStockNumberOfVotesPercentageOfTotalVotingPower" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_EarnoutSecuritiesMember" abstract="true" name="EarnoutSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxLiabilities" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredTaxLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_CashAcquiredFromConsolidationOfVariableInterestEntity" abstract="false" name="CashAcquiredFromConsolidationOfVariableInterestEntity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_AlvariumInvestmentManagersSuisseSAAIMSMember" abstract="true" name="AlvariumInvestmentManagersSuisseSAAIMSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedPerAcquireeShare" abstract="false" name="BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedPerAcquireeShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="alti_BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareWithinClosingOfTransactionTerm" abstract="false" name="BusinessCombinationContingentConsiderationEquityVolumeWeightedAveragePricePerShareWithinClosingOfTransactionTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alti_DebtInstrumentForgivenessPercentageOfPrincipalAndAccruedInterest" abstract="false" name="DebtInstrumentForgivenessPercentageOfPrincipalAndAccruedInterest" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_TWMHTIGGPAndTIGMGMTMembersAndAlvariumShareholdersEarnOutMember" abstract="true" name="TWMHTIGGPAndTIGMGMTMembersAndAlvariumShareholdersEarnOutMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_MeasurementInputCorrelationMember" abstract="true" name="MeasurementInputCorrelationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_StockIssuedDuringPeriodValueWarrantsExercised" abstract="false" name="StockIssuedDuringPeriodValueWarrantsExercised" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_DistributionsFromInvestmentsMember" abstract="true" name="DistributionsFromInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_TaxReceivableAgreementPaymentPercentageOfTaxBenefitReceived" abstract="false" name="TaxReceivableAgreementPaymentPercentageOfTaxBenefitReceived" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_TaxReceivableAgreementPolicyPolicyTextBlock" abstract="false" name="TaxReceivableAgreementPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="alti_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_DebtInstrumentFaceAmountWithoutDebtForgivenessProvision" abstract="false" name="DebtInstrumentFaceAmountWithoutDebtForgivenessProvision" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquityMethodInvestments" abstract="false" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquityMethodInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_RevenueFromContractWithCustomerEquityStructuresTerm" abstract="false" name="RevenueFromContractWithCustomerEquityStructuresTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="alti_MeasurementInputRevenueDiscountRateMember" abstract="true" name="MeasurementInputRevenueDiscountRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_PaymentsToAcquireShares" abstract="false" name="PaymentsToAcquireShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_TaxReceivableAgreementLiabilityMeasurementInput" abstract="false" name="TaxReceivableAgreementLiabilityMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="alti_NoncontrollingInterestCancellationOfCallOption" abstract="false" name="NoncontrollingInterestCancellationOfCallOption" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_TWMHTIGAndAlvariumMember" abstract="true" name="TWMHTIGAndAlvariumMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_DelayedSharePurchaseAgreement" abstract="false" name="DelayedSharePurchaseAgreement" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_OtherAssetsPolicyPolicyTextBlock" abstract="false" name="OtherAssetsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="alti_CoInvestmentMember" abstract="true" name="CoInvestmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_NasdaqAwardsMember" abstract="true" name="NasdaqAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_NumberOfEntitiesInWhichCompanyIsEntitledToDistributions" abstract="false" name="NumberOfEntitiesInWhichCompanyIsEntitledToDistributions" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="alti_EarnInExpensePercentageOfCash" abstract="false" name="EarnInExpensePercentageOfCash" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="alti_TIGArbitrageEnhancedMember" abstract="true" name="TIGArbitrageEnhancedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearThree" abstract="false" name="FiniteLivedIntangibleAssetExpectedAmortizationAfterYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_EmployeeRelatedLiabilitiesMember" abstract="true" name="EmployeeRelatedLiabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="alti_PaymentsOfMemberDistributions" abstract="false" name="PaymentsOfMemberDistributions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_InvestmentCompanyCommittedCapitalPercentageInvested" abstract="false" name="InvestmentCompanyCommittedCapitalPercentageInvested" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="alti_ForeignCurrencyTranslationPropertyPlantAndEquipment" abstract="false" name="ForeignCurrencyTranslationPropertyPlantAndEquipment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="alti_FundManagementMember" abstract="true" name="FundManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="alti_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentEquityMethodInvestment" abstract="false" name="BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentEquityMethodInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
