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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-06-18</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001730346</issuerCik>
        <issuerName>Charah Solutions, Inc.</issuerName>
        <issuerTradingSymbol>CHRA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001743507</rptOwnerCik>
            <rptOwnerName>BCP Energy Services Fund UGP, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001743508</rptOwnerCik>
            <rptOwnerName>BCP Energy Services Fund GP, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001743505</rptOwnerCik>
            <rptOwnerName>Charah Holdings GP LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE,</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000940082</rptOwnerCik>
            <rptOwnerName>BERNHARD JAMES M JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001743809</rptOwnerCik>
            <rptOwnerName>JENKINS JEFFREY SCOTT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 CONVENTION STREET, SUITE 1010</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BATON ROUGE</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70802</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>This Form 3 is being filed in connection with the closing of Charah Solutions, Inc. (the &quot;Issuer&quot;)'s initial public offering. The Reporting Persons may be deemed to be members of a group holding over 10% of the outstanding Common Stock of the Issuer for the purposes of Section 13(d)(3) of the Exchange Act.
BCP Energy Services Fund UGP, LLC (&quot;BCP Energy Services Fund UGP &quot;) is the sole general partner of BCP Energy Services Fund GP, LP (&quot;BCP Energy Services Fund GP &quot;), which is the sole general partner of both BCP Energy Services Fund, LP (&quot;BCP Energy Services Fund&quot;) and BCP Energy Services Fund-A, LP (&quot;BCP Energy Services Fund-A&quot;). BCP Energy Services Fund, LP and BCP Energy Services Fund-A, LP have dispositive voting power over Charah Holdings GP LLC (&quot;Charah Holdings GP&quot;), which is the sole general partner of Charah Holdings LP (&quot;Charah Holdings&quot;). BCP Energy Services Fund UGP is managed by J.M. Bernhard, Jr. and Jeff Jenkins. By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;), (i) each of Messrs. Bernhard and Jenkins, BCP Energy Services Fund UGP and BCP Energy Services Fund GP may be deemed to have an indirect pecuniary interest in  securities held directly by Charah Holdings, BCP Energy Services Fund and BCP Energy Services Fund-A. In addition, the Reporting Persons and Charah Holdings, BCP Energy Services Fund and BCP Energy Services Fund-A may be deemed to be members of a group holding over 10% of the outstanding common stock of the Issuer for the purposes of Section 13(d)(3) of the Exchange Act.</remarks>

    <ownerSignature>
        <signatureName>BCP ENERGY SERVICES FUND UGP, LLC, By: Jeffrey Jenkins, authorized representative; /s/ Jeffrey Jenkins</signatureName>
        <signatureDate>2018-06-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
