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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2017-01-20</periodOfReport>

    <dateOfOriginalSubmission>2017-01-20</dateOfOriginalSubmission>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001688476</issuerCik>
        <issuerName>Keane Group, Inc.</issuerName>
        <issuerTradingSymbol>FRAC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001672007</rptOwnerCik>
            <rptOwnerName>Stewart James C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MGM GROWTH PROPERTIES LLC</rptOwnerStreet1>
            <rptOwnerStreet2>6385 S. RAINBOW BOULEVARD, SUITE 500</rptOwnerStreet2>
            <rptOwnerCity>LAS VEGAS</rptOwnerCity>
            <rptOwnerState>NV</rptOwnerState>
            <rptOwnerZipCode>89118</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>N/A - See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>This Form 3 amendment is being made to correct the erroneous filing sent on 01/20/2017. The filing was submitted in error due to the use of an incorrect CIK code and should be disregarded. See ascension number 0000905718-17-000121 for reference.</remarks>

    <ownerSignature>
        <signatureName>/s/ Andrew Hagopian III, Attorney-In-Fact</signatureName>
        <signatureDate>2017-04-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
