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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-09-30</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001855457</issuerCik>
        <issuerName>KORE Group Holdings, Inc.</issuerName>
        <issuerTradingSymbol>KORE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001510627</rptOwnerCik>
            <rptOwnerName>ABRY Partners VII, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ABRY PARTNERS, LLC, 888</rptOwnerStreet1>
            <rptOwnerStreet2>BOYLSTON STREET, SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001639414</rptOwnerCik>
            <rptOwnerName>ABRY PARTNERS II, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ABRY PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>888 BOYLSTON STREET, SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001681304</rptOwnerCik>
            <rptOwnerName>ABRY Partners VII Co-Investment Fund, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ABRY PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>888 BOYLSTON STREET, SUITE 1600`</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001334772</rptOwnerCik>
            <rptOwnerName>ABRY INVESTMENT PARTNERSHIP, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ABRY PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>888 BOYLSTON STREET, SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001559794</rptOwnerCik>
            <rptOwnerName>ABRY Senior Equity IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ABRY PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>888 BOYLSTON STREET, SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001882220</rptOwnerCik>
            <rptOwnerName>ABRY Senior Equity Co-Investment Fund IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ABRY PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>888 BOYLSTON STREET, SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001263584</rptOwnerCik>
            <rptOwnerName>YUDKOFF ROYCE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ABRY PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>888 BOYLSTON STREET, SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001268945</rptOwnerCik>
            <rptOwnerName>KOENIG PEGGY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ABRY PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>888 BOYLSTON STREET, SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001268944</rptOwnerCik>
            <rptOwnerName>Grossman Jay M.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ABRY PARTNERS, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>888 BOYLSTON STREET, SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02199</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>24252912</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">21,500,782 of the shares reported herein are owned directly by ABRY Partners VII, L.P. 1,240,202 of the shares reported herein are owned directly by ABRY Partners VII Co-Investment Fund, L.P. 24,316 of the shares reported herein are owned directly by ABRY Investment Partnership, L.P. 1,288,506 of the shares reported herein are owned directly by ABRY Senior Equity IV, L.P. 199,106 of the shares reported herein are owned directly by ABRY Senior Equity Co-Investment Fund IV, L.P.</footnote>
        <footnote id="F2">ABRY Partners VII, L.P., ABRY Partners VII Co-Investment Fund, L.P., ABRY Investment Partnership, L.P., ABRY Senior Equity IV, L.P. and ABRY Senior Equity Co-Investment Fund IV, L.P. (collectively the &quot;ABRY Funds&quot;) are managed and/or controlled by ABRY Partners, LLC (&quot;ABRY I&quot;) and ABRY Partners II, LLC (&quot;ABRY II&quot;) and/or their respective affiliates. (continued in footnote 3)</footnote>
        <footnote id="F3">(continued from footnote 3) ABRY I and ABRY II are investment advisors registered with the SEC. Royce Yudkoff, as managing member of ABRY I and sole member of certain of its affiliates, has the right to exercise investment and voting power on behalf of ABRY Investment Partnership, L.P. Peggy Koenig and Jay Grossman, as equal members of ABRY II and of certain of its affiliates, have the right to exercise investment and voting power on behalf of the ABRY Funds.</footnote>
        <footnote id="F4">Each of ABRY I, ABRY II, Royce Yudkoff, Peggy Koenig and Jay Grossman disclaims beneficial ownership of the shares reported herein, except to the extent of their respective pecuniary interests therein, and the inclusion of the shares reported herein in any Section 16 report by such Reporting Persons shall not be deemed to be an admission of beneficial ownership of the shares reported herein for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise. Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.</footnote>
    </footnotes>

    <remarks>Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>ABRY PARTNERS VII, L.P., /s/ Kostas Sofronas, By: Kostas Sofronas, Attorney-in-Fact</signatureName>
        <signatureDate>2021-09-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ABRY PARTNERS II, LLC, /s/ Kostas Sofronas, By: Kostas Sofronas, Attorney-in-Fact</signatureName>
        <signatureDate>2021-09-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ABRY PARTNERS VII CO-INVESTMENT FUND, L.P., /s/ Kostas Sofronas, By: Kostas Sofronas, Attorney-in-Fact</signatureName>
        <signatureDate>2021-09-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ABRY INVESTMENT PARTNERSHIP, L.P., /s/ Kostas Sofronas, By: Kostas Sofronas, Attorney-in-Fact</signatureName>
        <signatureDate>2021-09-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ABRY SENIOR EQUITY IV, L.P, /s/ Kostas Sofronas, By: Kostas Sofronas, Attorney-in-Fact</signatureName>
        <signatureDate>2021-09-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ABRY SENIOR EQUITY CO-INVESTMENT FUND IV, L.P, /s/ Kostas Sofronas, By: Kostas Sofronas, Attorney-in-Fact</signatureName>
        <signatureDate>2021-09-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>ROYCE YUDKOFF, /s/ Kostas Sofronas, By: Kostas Sofronas, Attorney-in-Fact</signatureName>
        <signatureDate>2021-09-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>PEGGY KOENIG, /s/ Kostas Sofronas, By: Kostas Sofronas, Attorney-in-Fact</signatureName>
        <signatureDate>2021-09-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>JAY GROSSMAN, /s/ Kostas Sofronas, By: Kostas Sofronas, Attorney-in-Fact</signatureName>
        <signatureDate>2021-09-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
