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

    <schemaVersion>X0306</schemaVersion>

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    <periodOfReport>2020-08-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001628369</issuerCik>
        <issuerName>Cushman &amp; Wakefield plc</issuerName>
        <issuerTradingSymbol>CWK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001747604</rptOwnerCik>
            <rptOwnerName>Robinson Nathaniel</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>225 WEST WACKER DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60606</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>See Remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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            </securityTitle>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
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                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9803.9</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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                </transactionAcquiredDisposedCode>
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                    <value>50347.9</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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                </transactionShares>
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                </transactionAcquiredDisposedCode>
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                    <value>60151.8</value>
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            </postTransactionAmounts>
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                <transactionCode>F</transactionCode>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5746</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.54</value>
                </transactionPricePerShare>
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                <sharesOwnedFollowingTransaction>
                    <value>54405.8</value>
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                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
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    <derivativeTable>
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                <value>Restricted Stock Units</value>
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            </transactionTimeliness>
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                <transactionShares>
                    <value>9803.9</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
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            <expirationDate>
                <footnoteId id="F2"/>
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                </underlyingSecurityTitle>
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                </underlyingSecurityShares>
            </underlyingSecurity>
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                <directOrIndirectOwnership>
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        <derivativeTransaction>
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                <value>Restricted Stock Units</value>
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            <deemedExecutionDate></deemedExecutionDate>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
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                    <value>9803.9</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
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                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
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            <expirationDate>
                <footnoteId id="F3"/>
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                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Restricted Stock Units (RSUs) granted under the Cushman &amp; Wakefield plc 2018 Omnibus Management Share and Cash Incentive Plan convert into an equal number of ordinary shares of Cushman &amp; Wakefield plc.</footnote>
        <footnote id="F2">Restricted stock units granted on May 30, 2018 and vest in four substantially equal installments on each of the first four anniversaries of April 1, 2018. Vested restricted stock units by their terms settle within 30 days of the earlier of (i) a qualifying change in control or (ii) separation from service. However, in connection with the Registrant's initial public offering, the Registrant acted to terminate these awards and settle them 24 months following the initial public offering, in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.</footnote>
        <footnote id="F3">Restricted stock units granted on May 30, 2018 and vest upon the occurrence of a liquidity event in which TPG Asia VI SF Pte. Ltd, PAGAC Drone Holding I LP and 2339532 Ontario Ltd and/or their respective affiliates achieve a multiple of money of at least 2.0. In each of the foregoing, vesting of the RSUs is subject to continued employment through the applicable vesting date. Vested RSUs by their terms settle within 30 days of the earlier of (i) a qualifying change in control or (ii) separation from service. However, in connection with the Registrant's initial public offering, the Registrant acted to terminate these awards and settle them 24 months following the initial public offering, in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.</footnote>
    </footnotes>

    <remarks>Executive VP - Strategic Planning and Chief Investment Officer</remarks>

    <ownerSignature>
        <signatureName>/s/ Brett Soloway, attorney-in-fact</signatureName>
        <signatureDate>2020-08-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
