-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 GVnHQBofVM++4RNn4xsPPhkMmo/e315yETcxznXJRMARvI2JEh+wcUJadzucV00v
 EDrGNoB6ZysT/e9r/WjrgA==

<SEC-DOCUMENT>0000904454-09-000216.txt : 20090522
<SEC-HEADER>0000904454-09-000216.hdr.sgml : 20090522
<ACCEPTANCE-DATETIME>20090521171549
ACCESSION NUMBER:		0000904454-09-000216
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090519
FILED AS OF DATE:		20090521
DATE AS OF CHANGE:		20090521

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MCINERNEY THOMAS E
		CENTRAL INDEX KEY:			0001212989

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-29375
		FILM NUMBER:		09846160

	MAIL ADDRESS:	
		STREET 1:		320 PARK AVENUE STE 2500
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SAVVIS, Inc.
		CENTRAL INDEX KEY:			0001058444
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				431809960
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 SAVVIS PARKWAY
		CITY:			TOWN & COUNTRY
		STATE:			MO
		ZIP:			63017
		BUSINESS PHONE:		314-628-7000

	MAIL ADDRESS:	
		STREET 1:		1 SAVVIS PARKWAY
		CITY:			TOWN & COUNTRY
		STATE:			MO
		ZIP:			63017

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SAVVIS COMMUNICATIONS CORP
		DATE OF NAME CHANGE:	19991112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SAVVIS HOLDINGS CORP
		DATE OF NAME CHANGE:	19991020
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-05-19</periodOfReport>

    <issuer>
        <issuerCik>0001058444</issuerCik>
        <issuerName>SAVVIS, Inc.</issuerName>
        <issuerTradingSymbol>SVVS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001212989</rptOwnerCik>
            <rptOwnerName>MCINERNEY THOMAS E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WELSH, CARSON, ANDERSON &amp; STOWE</rptOwnerStreet1>
            <rptOwnerStreet2>320 PARK AVENUE, SUITE 2500</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>10.48</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2009-05-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>11938</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2010-05-19</value>
            </exerciseDate>
            <expirationDate>
                <value>2019-05-19</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>11938</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11938</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person also directly beneficially owns 542,681 shares of Common Stock and indirectly beneficially owns 15,285,694 shares of Common Stock held by Welsh, Carson, Anderson &amp; Stowe VIII, L.P.  The Reporting Person is a managing member of the sole general partner of Welsh, Carson, Anderson &amp; Stowe VIII, L.P.  Pursuant to Instruction (4)(b)(iv) of Form 4, the Reporting Person has elected to report as indirectly beneficially owned the entire number of securities beneficially owned by such entity.  The Reporting Person disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/David Mintz, Attorney-in-Fact</signatureName>
        <signatureDate>2009-05-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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