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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-05-09</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000038984</issuerCik>
        <issuerName>Elah Holdings, Inc.</issuerName>
        <issuerTradingSymbol>RELYQ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001229262</rptOwnerCik>
            <rptOwnerName>GOLDMAN SACHS ASSET MANAGEMENT, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 WEST STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10282</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001572694</rptOwnerCik>
            <rptOwnerName>Goldman Sachs BDC, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 WEST STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10282</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001674760</rptOwnerCik>
            <rptOwnerName>Goldman Sachs Private Middle Market Credit LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 WEST STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10282</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001683074</rptOwnerCik>
            <rptOwnerName>Goldman Sachs Middle Market Lending Corp.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 WEST STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10282</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>181036</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This statement is being filed by Goldman Sachs BDC, Inc. (&quot;GS BDC&quot;), Goldman Sachs Private Middle Market Credit LLC (&quot;GSPMMC&quot;), Goldman Sachs Middle Market Lending Corp. (&quot;GSMMLC&quot;, together with GS BDC and GSPMMC, the &quot;GS Purchasers&quot;), and Goldman Sachs Asset Management, L.P. (&quot;GSAM&quot;, together with the GS Purchasers, the &quot;Reporting Persons&quot;). GSAM serves as the investment advisor to each of the GS Purchasers.</footnote>
        <footnote id="F2">GSAM may be deemed to beneficially own indirectly 181,036 shares of the common stock, par value $0.001 per share (the &quot;Common Stock&quot;), of Elah Holdings, Inc. (f/k/a Real Industry, Inc.) by reason of the direct beneficial ownership of 46,214 shares of Common Stock by GS BDC, 69,386 shares of Common Stock by GSPMMC, and 65,436 shares of Common Stock by GSMMLC. The Reporting Persons disclaim beneficial ownership of the securities reported herein except to the extent of their pecuniary interest therein, if any, and this report shall not be deemed an admission that any such Reporting Person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>GOLDMAN SACHS ASSET MANAGEMENT, L.P., By: /s/ Yvette Kosic, Attorney-in-fact</signatureName>
        <signatureDate>2018-05-18</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>GOLDMAN SACHS BDC, INC., By: /s/ Yvette Kosic, Attorney-in-fact</signatureName>
        <signatureDate>2018-05-18</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>GOLDMAN SACHS PRIVATE MIDDLE MARKET CREDIT LLC, By: /s/ Yvette Kosic, Attorney-in-fact</signatureName>
        <signatureDate>2018-05-18</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>GOLDMAN SACHS MIDDLE MARKET LENDING CORP., By: /s/ Yvette Kosic, Attorney-in-fact</signatureName>
        <signatureDate>2018-05-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
