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  <xsd:element name="GeneralInformationAndSignificantAccountingPoliciesAbstract" id="arqq_GeneralInformationAndSignificantAccountingPoliciesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsNumberOfOperatingSegments" id="arqq_IfrsNumberOfOperatingSegments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfExpensesByNatureTableTextBlock" id="arqq_DisclosureOfExpensesByNatureTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfReasonablyPossibleChangeInRiskAssumptionAxis" id="arqq_PercentageOfReasonablyPossibleChangeInRiskAssumptionAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfReasonablyPossibleChangeInRiskAssumptionDomain" id="arqq_PercentageOfReasonablyPossibleChangeInRiskAssumptionDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="Ifrs_subsidiarySaleOfStockAxis" id="arqq_Ifrs_subsidiarySaleOfStockAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsSaleOfStockNameOfTransactionDomain" id="arqq_IfrsSaleOfStockNameOfTransactionDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeAxis" id="arqq_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeDomain" id="arqq_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsMeasurementInputTypeAxis" id="arqq_IfrsMeasurementInputTypeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsMeasurementInputTypeDomain" id="arqq_IfrsMeasurementInputTypeDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsClassOfWarrantOrRightAxis" id="arqq_IfrsClassOfWarrantOrRightAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsClassOfWarrantOrRightDomain" id="arqq_IfrsClassOfWarrantOrRightDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeeBenefitsExpenseExcludingExpensesFromShareBasedPaymentTransactions" id="arqq_EmployeeBenefitsExpenseExcludingExpensesFromShareBasedPaymentTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ScheduleOfAmountsRecognisedInProfitOrLossForLeasesTextBlock" id="arqq_ScheduleOfAmountsRecognisedInProfitOrLossForLeasesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ScheduleOfAmountsRecognisedInCashFlowStatementForLeasesTextBlock" id="arqq_ScheduleOfAmountsRecognisedInCashFlowStatementForLeasesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AverageLeaseTerm" id="arqq_AverageLeaseTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ExpenseRecognisedInProfitOrLossForLeases" id="arqq_ExpenseRecognisedInProfitOrLossForLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="NumberOfSharesIssuedOnExerciseOfWarrants" id="arqq_NumberOfSharesIssuedOnExerciseOfWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OtherCountriesMember" id="arqq_OtherCountriesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DisclosureOfLeaseLiabilityTableTextBlock" id="arqq_DisclosureOfLeaseLiabilityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="EarningsPerShareFromContinuingOperationsAbstract" id="arqq_EarningsPerShareFromContinuingOperationsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DisclosureOfNetCashFlowsAssociatedWithDiscontinuedOperationsTableTextBlock" id="arqq_DisclosureOfNetCashFlowsAssociatedWithDiscontinuedOperationsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DisclosureOfTradeAndOtherReceivablesTableTextBlock" id="arqq_DisclosureOfTradeAndOtherReceivablesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ScheduleOfReceivablesContractAssetsAndContractLiabilitiesTableTextBlock" id="arqq_ScheduleOfReceivablesContractAssetsAndContractLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DisclosureOfTradeAndOtherCurrentPayablesTableTextBlock" id="arqq_DisclosureOfTradeAndOtherCurrentPayablesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseInNumberOfSharesOutstandingThroughExerciseOfEmis" id="arqq_IncreaseInNumberOfSharesOutstandingThroughExerciseOfEmis" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseInIssuedCapitalThroughExerciseOfEmis" id="arqq_IncreaseInIssuedCapitalThroughExerciseOfEmis" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="IncreaseDecreaseThroughModificationsRightOfUseAssets" id="arqq_IncreaseDecreaseThroughModificationsRightOfUseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SkaPlatformMember" id="arqq_SkaPlatformMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfSharesIssuedInAtMarketOffering" id="arqq_NumberOfSharesIssuedInAtMarketOffering" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IssueOfEquityInAtMarketOffering" id="arqq_IssueOfEquityInAtMarketOffering" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PaymentsOfInterestPortionOfLeaseLiabilitiesClassifiedAsFinancingActivities" id="arqq_PaymentsOfInterestPortionOfLeaseLiabilitiesClassifiedAsFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="IncreaseInNumberOfSharesOutstandingThroughGrantingOfRestrictedStockUnits" id="arqq_IncreaseInNumberOfSharesOutstandingThroughGrantingOfRestrictedStockUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseInIssuedCapitalThroughGrantingOfRestrictedStockUnits" id="arqq_IncreaseInIssuedCapitalThroughGrantingOfRestrictedStockUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PriorPeriodErrorAbstract" id="arqq_PriorPeriodErrorAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PriorPeriodErrorTable" id="arqq_PriorPeriodErrorTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PriorPeriodErrorLineItems" id="arqq_PriorPeriodErrorLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DisclosureOfPriorPeriodErrorsTableTextBlock" id="arqq_DisclosureOfPriorPeriodErrorsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
</xsd:schema>
