-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 T1RU+/iRHVD+jRXePqyyHUyU6KvB5kmC3gplyOfIBdcObCyaxQ1dN3VwoJ92CmmA
 RBxIma4Az24sr2Lwh7eOaw==

<SEC-DOCUMENT>0001019056-04-001496.txt : 20041227
<SEC-HEADER>0001019056-04-001496.hdr.sgml : 20041224
<ACCEPTANCE-DATETIME>20041227170247
ACCESSION NUMBER:		0001019056-04-001496
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041223
FILED AS OF DATE:		20041227
DATE AS OF CHANGE:		20041227

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KYLE ROBERT
		CENTRAL INDEX KEY:			0001143157

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25449
		FILM NUMBER:		041226970

	BUSINESS ADDRESS:	
		STREET 1:		PPI CAPITAL GROUP INC
		STREET 2:		3655 NOBEL DR STE 540
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92122

	MAIL ADDRESS:	
		STREET 1:		PPI CAPITAL GROUP
		STREET 2:		3655 NOBEL DR STE 540
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92122

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SAGIENT RESEARCH SYSTEMS, INC.
		CENTRAL INDEX KEY:			0001065191
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		IRS NUMBER:				330856651
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3655 NOBEL DR
		STREET 2:		SUITE 540
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92122
		BUSINESS PHONE:		(858) 623-1600

	MAIL ADDRESS:	
		STREET 1:		3655 NOBEL DR
		STREET 2:		STE 540
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92122

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PCS RESEARCH TECHNOLOGY  INC
		DATE OF NAME CHANGE:	20021008

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DIRECTPLACEMENT INC
		DATE OF NAME CHANGE:	20020204

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PPI CAPITAL GROUP INC
		DATE OF NAME CHANGE:	19980630
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-12-23</periodOfReport>

    <issuer>
        <issuerCik>0001065191</issuerCik>
        <issuerName>SAGIENT RESEARCH SYSTEMS, INC.</issuerName>
        <issuerTradingSymbol>SRYS.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001143157</rptOwnerCik>
            <rptOwnerName>KYLE ROBERT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SAGIENT RESEARCH SYSTEMS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3655 NOBEL DRIVE, SUITE 540</rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92122</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Ex. VP, General Counsel &amp; Sec.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>.08</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-12-23</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-12-23</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>250000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-12-23</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-12-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>250000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>250000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>ROBERT F. KYLE</signatureName>
        <signatureDate>2004-12-27</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----