<SEC-DOCUMENT>0001192482-15-000048.txt : 20150310
<SEC-HEADER>0001192482-15-000048.hdr.sgml : 20150310
<ACCEPTANCE-DATETIME>20150310174746
ACCESSION NUMBER:		0001192482-15-000048
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150309
FILED AS OF DATE:		20150310
DATE AS OF CHANGE:		20150310

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mastech Holdings, Inc.
		CENTRAL INDEX KEY:			0001437226
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		IRS NUMBER:				262753540
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1305 CHERRINGTON PARKWAY
		STREET 2:		BUILDING 210, SUITE 400
		CITY:			MOON TOWNSHIP
		STATE:			PA
		ZIP:			15108
		BUSINESS PHONE:		412-787-2100

	MAIL ADDRESS:	
		STREET 1:		1305 CHERRINGTON PARKWAY
		STREET 2:		BUILDING 210, SUITE 400
		CITY:			MOON TOWNSHIP
		STATE:			PA
		ZIP:			15108

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Aicher Scott Adam
		CENTRAL INDEX KEY:			0001566934

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34099
		FILM NUMBER:		15690346

	MAIL ADDRESS:	
		STREET 1:		2709 PEBBLE BEACH DRIVE
		CITY:			OAKALND
		STATE:			MI
		ZIP:			48363
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-03-09</periodOfReport>

    <issuer>
        <issuerCik>0001437226</issuerCik>
        <issuerName>Mastech Holdings, Inc.</issuerName>
        <issuerTradingSymbol>MHH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001566934</rptOwnerCik>
            <rptOwnerName>Aicher Scott Adam</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MASTECH HOLDINGS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1305 CHERRINGTON PKWY, BLDG 210, STE 400</rptOwnerStreet2>
            <rptOwnerCity>MOON TOWNSHIP</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15108</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>see remarks</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-03-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>9.21</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40534</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks>Vice President, Chief Operating Officer</remarks>

    <ownerSignature>
        <signatureName>/s/ James J. Barnes, Attorney-In-Fact</signatureName>
        <signatureDate>2015-03-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
