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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 BW1MFDoakmAfVnMfQvKz0wlqhwd+mSUuyd7CnzPKxaMeawVY0meLyGsoz9u1oyg8
 CNBDBKiCpqSEb+LDL9cgVA==

<SEC-DOCUMENT>0001179110-07-024047.txt : 20071226
<SEC-HEADER>0001179110-07-024047.hdr.sgml : 20071225
<ACCEPTANCE-DATETIME>20071226162958
ACCESSION NUMBER:		0001179110-07-024047
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20071221
FILED AS OF DATE:		20071226
DATE AS OF CHANGE:		20071226

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PERFICIENT INC
		CENTRAL INDEX KEY:			0001085869
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		IRS NUMBER:				742853258
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1105

	BUSINESS ADDRESS:	
		STREET 1:		1120 SOUTH CAPITAL OF TEXAS HWY,
		STREET 2:		SUITE 220, BLDG. 3
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78746
		BUSINESS PHONE:		5125316000

	MAIL ADDRESS:	
		STREET 1:		1120 SOUTH CAPITAL OF TEXAS OF HWY
		STREET 2:		SUITE 220, BLDG 3
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78746

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DAVIS JEFFREY S
		CENTRAL INDEX KEY:			0001268774

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15169
		FILM NUMBER:		071326835

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		3149958810

	MAIL ADDRESS:	
		STREET 1:		ONE CITYPLACE DRIVE
		STREET 2:		SUITE 190
		CITY:			SAINT LOUIS
		STATE:			MO
		ZIP:			63141
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-12-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001085869</issuerCik>
        <issuerName>PERFICIENT INC</issuerName>
        <issuerTradingSymbol>PRFT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001268774</rptOwnerCik>
            <rptOwnerName>DAVIS JEFFREY S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE CITY PLACE DR.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 190</rptOwnerStreet2>
            <rptOwnerCity>ST. LOUIS</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>63141</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and COO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2007-12-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>35000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16.6533</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>372050</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Shares sold pursuant to Rule 10b5-1 Trading Plan adopted by the reporting person on May 11, 2007.</footnote>
        <footnote id="F2">The total securities owned in Tables I and II are 527,050</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Jeffrey S. Davis</signatureName>
        <signatureDate>2007-12-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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