-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 SBn5hWBE2gPPwZu2bg9+Cliw3ePgbprim+Pd8uCcTeAxc9HqwMPZ/bnlOx3L0k/P
 TuRJrQxqD7f0UbIc/2/v/g==

<SEC-DOCUMENT>0001140361-03-005103.txt : 20031223
<SEC-HEADER>0001140361-03-005103.hdr.sgml : 20031223
<ACCEPTANCE-DATETIME>20031223162857
ACCESSION NUMBER:		0001140361-03-005103
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031223
FILED AS OF DATE:		20031223

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BUCHSBAUM THOMAS S
		CENTRAL INDEX KEY:			0001240583

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15255
		FILM NUMBER:		031071385

	BUSINESS ADDRESS:	
		STREET 1:		GROUP 1 SOFTWARE INC
		STREET 2:		4200 PARLIAMENT PLACE
		CITY:			LANHAM
		STATE:			MD
		ZIP:			20706-1844

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GROUP 1 SOFTWARE INC
		CENTRAL INDEX KEY:			0000023055
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				520852578
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		4200 PARLIMENT PLACE
		STREET 2:		SUITE 600
		CITY:			LANHAM
		STATE:			MD
		ZIP:			20706-1860
		BUSINESS PHONE:		3019180400

	MAIL ADDRESS:	
		STREET 1:		4200 PARLIAMENT PLACE, SUITE 600
		STREET 2:		4200 PARLIAMENT PLACE, SUITE 600
		CITY:			LANHAM
		STATE:			MD
		ZIP:			20706

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMNET CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMPUTER NETWORK CORP
		DATE OF NAME CHANGE:	19851117
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
<periodOfReport>2003-12-23</periodOfReport>
<notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000023055</issuerCik>
        <issuerName>GROUP 1 SOFTWARE INC</issuerName>
        <issuerTradingSymbol>GSOF</issuerTradingSymbol>
</issuer>
<reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001240583</rptOwnerCik>
            <rptOwnerName>BUCHSBAUM THOMAS S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4200 PARLIAMENT PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 600</rptOwnerStreet2>
            <rptOwnerCity>LANHAM</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20706</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector>
<isOfficer>0</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle></officerTitle>
<otherText></otherText>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable>
<nonDerivativeTransaction>
<securityTitle>
<value>Common Stock</value>
<footnoteId id="F1"/>
</securityTitle>
<transactionDate>
<value>2003-12-23</value>
</transactionDate>
<deemedExecutionDate>
</deemedExecutionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>S</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>2500</value>
</transactionShares>
<transactionPricePerShare>
<value>18.00</value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value>D</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>77500</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeTransaction>
<nonDerivativeTransaction>
<securityTitle>
<value>Common Stock</value>
<footnoteId id="F1"/>
</securityTitle>
<transactionDate>
<value>2003-12-23</value>
</transactionDate>
<deemedExecutionDate>
</deemedExecutionDate>
<transactionCoding>
<transactionFormType>4</transactionFormType>
<transactionCode>S</transactionCode>
<equitySwapInvolved>0</equitySwapInvolved>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value>2500</value>
</transactionShares>
<transactionPricePerShare>
<value>18.05</value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value>D</value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value>75000</value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value>D</value>
</directOrIndirectOwnership>
<natureOfOwnership>
<value></value>
</natureOfOwnership>
</ownershipNature>
</nonDerivativeTransaction>
</nonDerivativeTable>
<footnotes>
<footnote id="F1">Sold pursuant to a plan, which was effective starting November 7, 2003, for the prescribed sale of common stock (an SEC Rule 10b5-1(c) Plan).</footnote>
</footnotes>
<remarks></remarks>
<ownerSignature>
<signatureName>Thomas Buchsbaum</signatureName>
<signatureDate>2003-12-23</signatureDate>
</ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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