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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001017645-03-000009.txt : 20031113
<SEC-HEADER>0001017645-03-000009.hdr.sgml : 20031113
<ACCEPTANCE-DATETIME>20031113144753
ACCESSION NUMBER:		0001017645-03-000009
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031112
FILED AS OF DATE:		20031113

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ATLANTIC DATA SERVICES INC
		CENTRAL INDEX KEY:			0001052773
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				042696393
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		ONE BATTERYMARCH PARK
		CITY:			QUINCY
		STATE:			MA
		ZIP:			02169
		BUSINESS PHONE:		6177703333

	MAIL ADDRESS:	
		STREET 1:		ATLANTIC DATA SERVICES INC
		STREET 2:		ONE BATTERYMARCH PARK
		CITY:			QUINCY
		STATE:			MA
		ZIP:			02169

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GENERAL ATLANTIC PARTNERS LLC
		CENTRAL INDEX KEY:			0001017645
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24193
		FILM NUMBER:		03997519

	BUSINESS ADDRESS:	
		STREET 1:		3 PICKWICK
		STREET 2:		3 PICKWICK PLAZA
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			08330
		BUSINESS PHONE:		2036223050

	MAIL ADDRESS:	
		STREET 1:		3 PICKWICK
		STREET 2:		3 PICKWICK PLAZA
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			08330
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-11-12</periodOfReport><notSubjectToSection16>1</notSubjectToSection16>
    <issuer>
        <issuerCik>0001052773</issuerCik>
        <issuerName>ATLANTIC DATA SERVICES INC</issuerName>
        <issuerTradingSymbol>ADSC</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001017645</rptOwnerCik>
            <rptOwnerName>GENERAL ATLANTIC PARTNERS LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GENERAL ATLANTIC SERVICE CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>3 PICKWICK PLAZA</rptOwnerStreet2>
            <rptOwnerCity>GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06830</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-11-12</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1"/></transactionCoding><transactionAmounts><transactionShares><value>607887</value></transactionShares><transactionPricePerShare><value>3.25</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>303943</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership>
<value>See </value><footnoteId id="F3"/></natureOfOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-11-12</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>U</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>2496193</value></transactionShares><transactionPricePerShare><value>3.25</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>303943</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>See </value><footnoteId id="F3"/></natureOfOwnership></ownershipNature></nonDerivati
veTransaction></nonDerivativeTable><footnotes><footnote id="F1">Immediately prior to the effectiveness of the merger of ADS Acquisition Company LLC (&quot;ADS Acquisition&quot;), a wholly-owned subsidiary of ADS Parent Acquisition LLC (&quot;ADS Parent&quot;), with and into Atlantic Data Services, Inc. (&quot;ADS&quot;) pursuant to the  Agreement and Plan of Merger, dated as of July 21, 2003, by and among ADS Parent, ADS Acquisition and ADS (the foregoing collectively, the &quot;Merger&quot;), General Atlantic Partners II, L.P. (&quot;GAP II&quot;) contributed 607,887 shares of common stock of ADS to ADS Parent.  Such shares received no cash in the Merger.  General Atlantic Partners, LLC (&quot;GAP LLC&quot;) is the general partner of GAP II.</footnote><footnote id="F2">Immediately after the effectiveness of the Merger, the shares of common stock of ADS previously contributed by GAP II to ADS Parent were reclassified as special common stock, par value $0.001 per share, and reverse split 1-for-2.</footnote><f
ootnote id="F3">By ADS Parent, of which GAP II is a member.  GAP LLC is the general partner of GAP II.</footnote></footnotes><remarks/><ownerSignature><signatureName>Matthew Nimetz, A Managing Member</signatureName><signatureDate>2003-11-13</signatureDate></ownerSignature></ownershipDocument>

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