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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QJjQ/d7Cqv8m0Eqir7QJCHE1ZWa0BPdar6ERQQ+v4oFWg67r5U4+iLhupeSZo5z+
 WKjWDepape5iz0tzZxrRVA==

<SEC-DOCUMENT>0001188443-03-000007.txt : 20030519
<SEC-HEADER>0001188443-03-000007.hdr.sgml : 20030519
<ACCEPTANCE-DATETIME>20030516173413
ACCESSION NUMBER:		0001188443-03-000007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030515
FILED AS OF DATE:		20030519

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PROBUSINESS SERVICES INC
		CENTRAL INDEX KEY:			0001028751
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				942976066
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4125 HOPYARD RD
		CITY:			PLEASANTON
		STATE:			CA
		ZIP:			94588
		BUSINESS PHONE:		9257373500

	MAIL ADDRESS:	
		STREET 1:		4125 HOPYARD RD
		CITY:			PLEASANTON
		STATE:			CA
		ZIP:			94588

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SINTON TOM
		CENTRAL INDEX KEY:			0001188443

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22227
		FILM NUMBER:		03709386

	BUSINESS ADDRESS:	
		STREET 1:		4125 HOPYARD RD
		CITY:			PLEASANTON
		STATE:			CA
		ZIP:			94588
		BUSINESS PHONE:		9257373500

	MAIL ADDRESS:	
		STREET 1:		4125 HOPYARD RD
		CITY:			PLEASANTON
		STATE:			CA
		ZIP:			94588
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

<documentType>4</documentType><periodOfReport>2003-05-15</periodOfReport>
<issuer><issuerCik>0001028751</issuerCik>
        <issuerName>PROBUSINESS SERVICES INC</issuerName>
<issuerTradingSymbol>PRBZ</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001188443</rptOwnerCik>
            <rptOwnerName>SINTON TOM</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
<reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther><officerTitle>Chmn of the Board, Pres., CEO </officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeSecurity><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-05-15</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>S</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>10000</value><footnoteId id="F1"/></transactionShares><transactionValue><value>12.78</value></transactionValue><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1565138</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnershi
p><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeSecurity><footnotes><footnote id="F1">This trade was executed pursuant to a Rule 10b5-1 trading plan that was adopted on March 14, 2002.</footnote><footnote id="F2">Includes 151,770 shares owned by Thomas H. Sinton in his name only and 1,413,368 shares owned by Thomas H. Sinton and Jane N. Sinton as community property.  Indirect Shares Owned-1,178,297 which includes 50,502 shares held by Jane N. Sinton as custodian for the Sintons' children, 942,897 shares held by Thomas H. Sinton Jane Nibley Sinton Irrevocable Trust, 168,948 shares held by the Sila D. Sinton Trust Estate and 15,950 shares held by an additional family trust.</footnote></footnotes><ownerSignature><signatureName>Thomas H. Sinton</signatureName><signatureDate>2003-05-16</signatureDate></ownerSignature></ownershipDocument>

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