<SEC-DOCUMENT>0001415889-21-005033.txt : 20211101
<SEC-HEADER>0001415889-21-005033.hdr.sgml : 20211101
<ACCEPTANCE-DATETIME>20211101165545
ACCESSION NUMBER:		0001415889-21-005033
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211101
FILED AS OF DATE:		20211101
DATE AS OF CHANGE:		20211101

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SMITH PATRICK F
		CENTRAL INDEX KEY:			0001890360

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39799
		FILM NUMBER:		211367955

	MAIL ADDRESS:	
		STREET 1:		C/O CERTARA, INC.
		STREET 2:		100 OVERLOOK CENTER, SUITE 101
		CITY:			PRINCETON
		STATE:			NJ
		ZIP:			08540

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Certara, Inc.
		CENTRAL INDEX KEY:			0001827090
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		100 OVERLOOK CENTER, SUITE 101
		CITY:			PRINCETON
		STATE:			NJ
		ZIP:			08540
		BUSINESS PHONE:		(609) 716-7900

	MAIL ADDRESS:	
		STREET 1:		100 OVERLOOK CENTER, SUITE 101
		CITY:			PRINCETON
		STATE:			NJ
		ZIP:			08540
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-11012021_011125.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-11-01</periodOfReport>

    <issuer>
        <issuerCik>0001827090</issuerCik>
        <issuerName>Certara, Inc.</issuerName>
        <issuerTradingSymbol>CERT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001890360</rptOwnerCik>
            <rptOwnerName>SMITH PATRICK F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CERTARA, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>100 OVERLOOK CENTER, SUITE 101</rptOwnerStreet2>
            <rptOwnerCity>PRINCETON</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>08540</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>PRESIDENT, INTEGRATED DRUG DEV</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-11-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3631</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>103374</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents 3,631 restricted stock units (&quot;RSUs&quot;) granted to the reporting person that will entitle the reporting person to receive one share of the Issuer's Common Stock per RSU. The RSUs will cliff  vest on November 1, 2022, subject to the continued service of the reporting person through the vesting date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Richard M. Traynor, Attorney-in-Fact for Patrick F. Smith</signatureName>
        <signatureDate>2021-11-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
