<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2024-04-19</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001848821</issuerCik>
        <issuerName>Global Technology Acquisition Corp. I</issuerName>
        <issuerTradingSymbol>GTAC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002020542</rptOwnerCik>
            <rptOwnerName>HCG Opportunity II, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>195 US HWY 50</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 309</rptOwnerStreet2>
            <rptOwnerCity>ZEPHYR COVE</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89448</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002021179</rptOwnerCik>
            <rptOwnerName>HCG Opportunity II MM, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>195 US HWY 50</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 309</rptOwnerStreet2>
            <rptOwnerCity>ZEPHYR COVE</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89448</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Class B Ordinary Shares</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3500000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Class B Ordinary Shares will automatically convert into Class A Ordinary Shares at the time of the Issuer's initial business combination or earlier at the option of the holders thereof, on a one-for-one basis, subject to adjustment, and have no expiration date.</footnote>
        <footnote id="F2">These shares are held directly by HCG Opportunity II, LLC (&quot;HCG Opportunity II&quot;). HCG Opportunity II MM, LLC (&quot;HCG Opportunity II MM&quot;) is the sole member of HCG Opportunity II. Thomas D. Hennessy and Daniel J. Hennessy are the sole members of HCG Opportunity II MM and report their beneficial ownership of the securities held directly by HCG Opportunity II on separate Section 16 reports. Each of the reporting persons disclaims beneficial ownership of the shares reported herein except to the extent of its pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>HCG Opportunity II LLC, By: HCG Opportunity II MM, LLC, By: /s/ Thomas D. Hennessy, Authorized Signatory</signatureName>
        <signatureDate>2024-04-29</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>HCG Opportunity II MM, LLC, By: /s/ Thomas D. Hennessy, Authorized Signatory</signatureName>
        <signatureDate>2024-04-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
