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<link:definition>1011 - Disclosure - Related Party Transactions</link:definition>
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<link:definition>1015 - Disclosure - Fair Value Measurements</link:definition>
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<link:definition>1017 - Disclosure - Summary Of Significant Accounting Policies (Policies)</link:definition>
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<link:definition>1018 - Disclosure - Summary Of Significant Accounting Policies (Tables)</link:definition>
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<link:definition>1019 - Disclosure - Fair Value Measurements (Tables)</link:definition>
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<link:definition>1020 - Disclosure -  Description Of Organization And Business Operations (Details)</link:definition>
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<link:definition>1021 - Disclosure - Summary Of Significant Accounting Policies (Details)</link:definition>
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<link:definition>1022 - Disclosure - Summary Of Significant Accounting Policies (Details) - Schedule of ordinary shares subject to redemption</link:definition>
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<link:definition>1023 - Disclosure - Summary Of Significant Accounting Policies (Details) - Schedule of basic and diluted loss per ordinary share</link:definition>
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<link:definition>1024 - Disclosure - Initial Public Offering (Details)</link:definition>
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<link:definition>1029 - Disclosure - Shareholders' Deficit (Details)</link:definition>
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<link:definition>1030 - Disclosure - Fair Value Measurements (Details) - Schedule of the Company's assets and liabilities that are measured at fair value on a recurring basis</link:definition>
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<link:definition>1035 - Disclosure - Fair Value Measurements (Details) - Schedule of Compound Option Terms</link:definition>
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<link:definition>1036 - Disclosure - Fair Value Measurements (Details) - Schedule of changes in the fair value of the Level 3 conversion option</link:definition>
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<link:definition>1037 - Disclosure - Subsequent Events (Details)</link:definition>
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<element name="RemeasurementOfOrdinarySharesSubjectToPossibleRedemptionNoncashTransaction" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_RemeasurementOfOrdinarySharesSubjectToPossibleRedemptionNoncashTransaction" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="DeferredUnderwritingFeeChargedToAdditionalPaidInCapital" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_DeferredUnderwritingFeeChargedToAdditionalPaidInCapital" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="WaivedDeferredUnderwritingFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_WaivedDeferredUnderwritingFee" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="InitialPublicOfferingAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_InitialPublicOfferingAbstract" substitutionGroup="xbrli:item" />
<element name="InitialPublicOfferingTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_InitialPublicOfferingTextBlock" substitutionGroup="xbrli:item" />
<element name="PrivatePlacementAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_PrivatePlacementAbstract" substitutionGroup="xbrli:item" />
<element name="PrivatePlacementTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_PrivatePlacementTextBlock" substitutionGroup="xbrli:item" />
<element name="TemporaryEquityDisclosureTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_TemporaryEquityDisclosureTextBlock" substitutionGroup="xbrli:item" />
<element name="OfferingCostsAssociatedWithTheInitialPublicOfferingPolicyTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_OfferingCostsAssociatedWithTheInitialPublicOfferingPolicyTextBlock" substitutionGroup="xbrli:item" />
<element name="EmergingGrowthCompanyStatusPolicyTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_EmergingGrowthCompanyStatusPolicyTextBlock" substitutionGroup="xbrli:item" />
<element name="ReconciliationOfNetLossPerSharePolicyTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_ReconciliationOfNetLossPerSharePolicyTextBlock" substitutionGroup="xbrli:item" />
<element name="SummaryOfOrdinarySharesSubjectToRedemptionTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_SummaryOfOrdinarySharesSubjectToRedemptionTableTextBlock" substitutionGroup="xbrli:item" />
<element name="ScheduleOfChangesLevel3FairValueLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_ScheduleOfChangesLevel3FairValueLiabilitiesTableTextBlock" substitutionGroup="xbrli:item" />
<element name="OrganizationandBusinessOperationsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_OrganizationandBusinessOperationsDetailsTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="OrdinarySharesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_OrdinarySharesMember" substitutionGroup="xbrli:item" />
<element name="AgreementAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_AgreementAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="AgreementDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_AgreementDomain" substitutionGroup="xbrli:item" />
<element name="BusinessCombinationAgreementMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_BusinessCombinationAgreementMember" substitutionGroup="xbrli:item" />
<element name="AAndRBusinessCombinationAgreementMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_AAndRBusinessCombinationAgreementMember" substitutionGroup="xbrli:item" />
<element name="PipeSubscriptionAgreementsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_PipeSubscriptionAgreementsMember" substitutionGroup="xbrli:item" />
<element name="ClassOfStockOneAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ClassOfStockOneAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="ClassOfStockOneDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ClassOfStockOneDomain" substitutionGroup="xbrli:item" />
<element name="SpacClassACommonStockMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_SpacClassACommonStockMember" substitutionGroup="xbrli:item" />
<element name="PostBusinessCombinationEquityIncentivePlanMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_PostBusinessCombinationEquityIncentivePlanMember" substitutionGroup="xbrli:item" />
<element name="PostBusinessCombinationEmployeeStockPurchasePlanMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_PostBusinessCombinationEmployeeStockPurchasePlanMember" substitutionGroup="xbrli:item" />
<element name="OrganizationandBusinessOperationsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_OrganizationandBusinessOperationsDetailsLineItems" substitutionGroup="xbrli:item" />
<element name="OtherOfferingCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_OtherOfferingCosts" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="UnitPrice" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_UnitPrice" substitutionGroup="xbrli:item" />
<element name="PublicPerShare" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_PublicPerShare" substitutionGroup="xbrli:item" />
<element name="BusinessCombinationEarnoutSharesConsideration" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_BusinessCombinationEarnoutSharesConsideration" substitutionGroup="xbrli:item" />
<element name="PublicSharesRedeemPercentage" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_PublicSharesRedeemPercentage" substitutionGroup="xbrli:item" />
<element name="PublicSharePricePerShare" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_PublicSharePricePerShare" substitutionGroup="xbrli:item" />
<element name="NetWorkingCapital" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_NetWorkingCapital" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="DeferredUnderwritingCommission" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_DeferredUnderwritingCommission" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="GeneratingGrossProceeds" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_GeneratingGrossProceeds" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="OperatingBankAccount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_OperatingBankAccount" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="UnderwritingCommissions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_UnderwritingCommissions" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="PercentageOfVotingPowerOfOrdinaryShares" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_PercentageOfVotingPowerOfOrdinaryShares" substitutionGroup="xbrli:item" />
<element name="PercentageOfExciseTaxOnRepurchasesOfStock" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_PercentageOfExciseTaxOnRepurchasesOfStock" substitutionGroup="xbrli:item" />
<element name="BusinessCombinationContingentPayableInShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_BusinessCombinationContingentPayableInShares" substitutionGroup="xbrli:item" />
<element name="FeePayableInCaseOfTerminationAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_FeePayableInCaseOfTerminationAgreement" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="PercentageOfSharesSubjectToRestrictionInTransfer" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_PercentageOfSharesSubjectToRestrictionInTransfer" substitutionGroup="xbrli:item" />
<element name="PercentageOfSharesSubjectToRestrictioninTransferOne" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_PercentageOfSharesSubjectToRestrictioninTransferOne" substitutionGroup="xbrli:item" />
<element name="InflationReductionActAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_InflationReductionActAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="InflationReductionActDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_InflationReductionActDomain" substitutionGroup="xbrli:item" />
<element name="InflationReductionActTwoThousandAndTwentyTwoMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_InflationReductionActTwoThousandAndTwentyTwoMember" substitutionGroup="xbrli:item" />
<element name="PayeeAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_PayeeAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="PayeeDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_PayeeDomain" substitutionGroup="xbrli:item" />
<element name="AlvariumMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_AlvariumMember" substitutionGroup="xbrli:item" />
<element name="TwmhAndTigMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_TwmhAndTigMember" substitutionGroup="xbrli:item" />
<element name="EarnoutSharesPayableToTwmhMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_EarnoutSharesPayableToTwmhMember" substitutionGroup="xbrli:item" />
<element name="EarnoutSharesPayableToTigEntitiesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_EarnoutSharesPayableToTigEntitiesMember" substitutionGroup="xbrli:item" />
<element name="InvestorCategoryAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_InvestorCategoryAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="InvestorCategoryDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_InvestorCategoryDomain" substitutionGroup="xbrli:item" />
<element name="PipeInvestorMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_PipeInvestorMember" substitutionGroup="xbrli:item" />
<element name="SignificantAccountingPoliciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_SignificantAccountingPoliciesDetailsTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="SignificantAccountingPoliciesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_SignificantAccountingPoliciesDetailsLineItems" substitutionGroup="xbrli:item" />
<element name="IPOAndPrivatePlacementMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_IPOAndPrivatePlacementMember" substitutionGroup="xbrli:item" />
<element name="ProceedsAllocatedToPublicWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_ProceedsAllocatedToPublicWarrants" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="ClassAOrdinarySharesIssuanceCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_ClassAOrdinarySharesIssuanceCost" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="AccretionOfCarryingValueToRedemptionValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_AccretionOfCarryingValueToRedemptionValue" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="ScheduleOfBasicAndDilutedLossPerOrdinaryShareAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ScheduleOfBasicAndDilutedLossPerOrdinaryShareAbstract" substitutionGroup="xbrli:item" />
<element name="NonRedeemableClassAAndClassBOrdinarySharesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_NonRedeemableClassAAndClassBOrdinarySharesAbstract" substitutionGroup="xbrli:item" />
<element name="NumeratorNetIncomeMinusNetEarningsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_NumeratorNetIncomeMinusNetEarningsAbstract" substitutionGroup="xbrli:item" />
<element name="NetIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_NetIncome" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="IncomeAttributableToOrdinaryShareSubjectToPossibleRedemption" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_IncomeAttributableToOrdinaryShareSubjectToPossibleRedemption" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="NonRedeemableNetIncome" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_NonRedeemableNetIncome" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="RedeemableClassAOrdinarySharesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_RedeemableClassAOrdinarySharesAbstract" substitutionGroup="xbrli:item" />
<element name="NumeratorEarningsAllocableToRedeemableClassAOrdinarySharesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_NumeratorEarningsAllocableToRedeemableClassAOrdinarySharesAbstract" substitutionGroup="xbrli:item" />
<element name="LessIncomeAllocableToNonredeemableClassAOrdinaryShares" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_LessIncomeAllocableToNonredeemableClassAOrdinaryShares" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="InitialPublicOfferingDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_InitialPublicOfferingDetailsTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="InitialPublicOfferingDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_InitialPublicOfferingDetailsLineItems" substitutionGroup="xbrli:item" />
<element name="PurchasePriceUnits" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_PurchasePriceUnits" substitutionGroup="xbrli:item" />
<element name="RedemptionWarrantsDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_RedemptionWarrantsDescription" substitutionGroup="xbrli:item" />
<element name="PrivatePlacementDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_PrivatePlacementDetailsTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="PrivatePlacementDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_PrivatePlacementDetailsLineItems" substitutionGroup="xbrli:item" />
<element name="SaleOfWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_SaleOfWarrants" substitutionGroup="xbrli:item" />
<element name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_RelatedPartyTransactionsDetailsTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="FounderSharesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_FounderSharesMember" substitutionGroup="xbrli:item" />
<element name="RelatedPartyTransactionsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_RelatedPartyTransactionsDetailsLineItems" substitutionGroup="xbrli:item" />
<element name="PricePerWarrant" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_PricePerWarrant" substitutionGroup="xbrli:item" />
<element name="WorkingCapitalLoan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_WorkingCapitalLoan" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="ValueOfRepaid" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_ValueOfRepaid" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="ServiceFeeExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_ServiceFeeExpense" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="BusinessCombinationDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_BusinessCombinationDescription" substitutionGroup="xbrli:item" />
<element name="OfficeSpaceMonthlyRent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_OfficeSpaceMonthlyRent" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="PricePerShareUnit" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_PricePerShareUnit" substitutionGroup="xbrli:item" />
<element name="UnsecuredPromissoryNoteMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_UnsecuredPromissoryNoteMember" substitutionGroup="xbrli:item" />
<element name="WorkingCapitalNoteMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_WorkingCapitalNoteMember" substitutionGroup="xbrli:item" />
<element name="SponsorMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_SponsorMember" substitutionGroup="xbrli:item" />
<element name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_CommitmentsandContingenciesDetailsTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="UnderwritingAgreementMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_UnderwritingAgreementMember" substitutionGroup="xbrli:item" />
<element name="CommitmentsandContingenciesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_CommitmentsandContingenciesDetailsLineItems" substitutionGroup="xbrli:item" />
<element name="UnderwritingAgreementDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_UnderwritingAgreementDescription" substitutionGroup="xbrli:item" />
<element name="UnderwritingDiscountPercent" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_UnderwritingDiscountPercent" substitutionGroup="xbrli:item" />
<element name="DeferredUnderwritingDiscountPercent" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_DeferredUnderwritingDiscountPercent" substitutionGroup="xbrli:item" />
<element name="AdvisoryFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_AdvisoryFee" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="DeferredUnderwritingFeePayable" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="alti_DeferredUnderwritingFeePayable" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="BofaSecuritiesIncMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_BofaSecuritiesIncMember" substitutionGroup="xbrli:item" />
<element name="SubjectToPossibleRedemptionMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_SubjectToPossibleRedemptionMember" substitutionGroup="xbrli:item" />
<element name="ShareholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ShareholdersEquityDetailsTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="ShareholdersEquityDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ShareholdersEquityDetailsLineItems" substitutionGroup="xbrli:item" />
<element name="EventAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_EventAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="EventDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_EventDomain" substitutionGroup="xbrli:item" />
<element name="ScheduleOfTheCompanySAssetsAndLiabilitiesThatAreMeasuredAtFairValueOnARecurringBasisAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ScheduleOfTheCompanySAssetsAndLiabilitiesThatAreMeasuredAtFairValueOnARecurringBasisAbstract" substitutionGroup="xbrli:item" />
<element name="FairValueMeasurementsDetailsScheduleoftheCompanysassetsandliabilitiesthataremeasuredatfairvalueonarecurringbasisTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_FairValueMeasurementsDetailsScheduleoftheCompanysassetsandliabilitiesthataremeasuredatfairvalueonarecurringbasisTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="FairValueMeasurementsDetailsScheduleoftheCompanysassetsandliabilitiesthataremeasuredatfairvalueonarecurringbasisLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_FairValueMeasurementsDetailsScheduleoftheCompanysassetsandliabilitiesthataremeasuredatfairvalueonarecurringbasisLineItems" substitutionGroup="xbrli:item" />
<element name="AssetsAbstract0" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_AssetsAbstract0" substitutionGroup="xbrli:item" />
<element name="PrivateWarrantsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_PrivateWarrantsMember" substitutionGroup="xbrli:item" />
<element name="ScheduleOfChangesLevel3FairValueLiabilitiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ScheduleOfChangesLevel3FairValueLiabilitiesAbstract" substitutionGroup="xbrli:item" />
<element name="InitialFairValueOfPublicAndPrivateWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_InitialFairValueOfPublicAndPrivateWarrants" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="ChangeInFairValueOfPublicAndPrivateWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_ChangeInFairValueOfPublicAndPrivateWarrants" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="TransferOfPublicWarrantsToLevel1" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="alti_TransferOfPublicWarrantsToLevel1" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="ScheduleOfKeyInputsIntoTheMonteCarloSimulationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ScheduleOfKeyInputsIntoTheMonteCarloSimulationAbstract" substitutionGroup="xbrli:item" />
<element name="FairValueDisclosuresTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_FairValueDisclosuresTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="ConversionOptionMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ConversionOptionMember" substitutionGroup="xbrli:item" />
<element name="FairValueDisclosuresLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_FairValueDisclosuresLineItems" substitutionGroup="xbrli:item" />
<element name="ScheduleOfWarrantValuationTermsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ScheduleOfWarrantValuationTermsAbstract" substitutionGroup="xbrli:item" />
<element name="StrikePriceDebtConversionMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_StrikePriceDebtConversionMember" substitutionGroup="xbrli:item" />
<element name="StrikePriceWarrantsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_StrikePriceWarrantsMember" substitutionGroup="xbrli:item" />
<element name="TermDebtConversionMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_TermDebtConversionMember" substitutionGroup="xbrli:item" />
<element name="TermWarrantConversionMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_TermWarrantConversionMember" substitutionGroup="xbrli:item" />
<element name="ProbabilityOfConsummationOfABusinessCombinationMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ProbabilityOfConsummationOfABusinessCombinationMember" substitutionGroup="xbrli:item" />
<element name="ProbabilityOfConsummationOfABusinessCombinationTargetDate11302022And142023Member" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ProbabilityOfConsummationOfABusinessCombinationTargetDate11302022And142023Member" substitutionGroup="xbrli:item" />
<element name="ProbabilityOfConsummationOfABusinessCombinationTargetDate2282023And1312023Member" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="alti_ProbabilityOfConsummationOfABusinessCombinationTargetDate2282023And1312023Member" substitutionGroup="xbrli:item" />
</schema>
