content: <HTML>
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  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  
  <DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
  <DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>
  
  
  
  
  <DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
  SECURITIES AND EXCHANGE COMMISSION</B>
  </DIV>
  
  <DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549<BR>
  <DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
  </DIV>
  
  <DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
  </DIV>
  
  
  <DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>REGISTRATION STATEMENT<BR>
  UNDER<BR>
  THE SECURITIES ACT OF 1933</B>
  </DIV>
  
  
  <DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
  </DIV>
  
  <DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>Forrester Research, Inc.</B>
  </DIV>
  
  <DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter)</DIV>
  
  
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR valign="bottom">
      <TD width="47%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="47%">&nbsp;</TD>
  </TR>
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR valign="bottom">
      <TD align="center" valign="top"><FONT style="font-variant: SMALL-CAPS"><B>Delaware</B></FONT>
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top"><B>04-2797789</B></TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top">(State or other jurisdiction
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">(I.R.S. Employer</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top">of incorporation or organization)
  </TD>
      <TD>&nbsp;</TD>
      <TD align="center" valign="top">Identification No.)</TD>
  </TR>
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 12pt">400 Technology Square<BR>
  Cambridge, Massachusetts 02139<BR>
  (Address of principal executive offices, including zip code)</DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>FORRESTER RESEARCH, INC. AMENDED AND RESTATED EMPLOYEE STOCK PURCHASE PLAN</B><BR>
  (Full title of the plans)</DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>GAIL S. MANN, ESQ.<BR>
  Chief Legal Officer and Secretary<BR>
  Forrester Research, Inc.<BR>
  400 Technology Square<BR>
  Cambridge, Massachusetts 02139<BR>
  617-613-6000</B><BR>
  (Name, address and telephone number, including area code, of agent for service)</DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 12pt">Please send copies of all communications to:</DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>KEITH F. HIGGINS, ESQ.<BR>
  Ropes &#038; Gray LLP<BR>
  One International Place<BR>
  Boston, MA 02110<BR>
  617-951-7000<BR>
  617-951-7050 (facsimile)</B></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>CALCULATION OF REGISTRATION FEE</B></DIV>
  
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR valign="bottom">
      <TD width="1%">&nbsp;</TD>
      <TD width="34%">&nbsp;</TD>
      <TD width="2%">&nbsp;</TD><!-- VRule -->
      <TD width="2%">&nbsp;</TD>
      <TD width="19%">&nbsp;</TD>
      <TD width="2%">&nbsp;</TD><!-- VRule -->
      <TD width="2%">&nbsp;</TD>
      <TD width="6%">&nbsp;</TD>
      <TD width="2%">&nbsp;</TD><!-- VRule -->
      <TD width="2%">&nbsp;</TD>
      <TD width="15%">&nbsp;</TD>
      <TD width="2%">&nbsp;</TD><!-- VRule -->
      <TD width="2%">&nbsp;</TD>
      <TD width="8%">&nbsp;</TD>
  
      <TD width="1%">&nbsp;</TD>
  </TR><TR style="font-size: 1px" valign="bottom">
      <TD nowrap align="left" colspan="15" style="border-bottom: 3px double #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>
  
      <TD nowrap align="center"><I>Title of Each Class of</I></TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><I>Amount to be</I></TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><I>Proposed Maximum</I></TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><I>Proposed Maximum</I></TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><I>Amount of</I></TD>
      <TD width="1%">&nbsp;</TD>
  </TR>
  <TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>
  
      <TD nowrap align="center"><I>Securities to be Registered(1)</I></TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><I>Registered(1)</I></TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><I>Offering Price Per Share(2)</I></TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="center"><I>Aggregate Offering <I>Price(2)</I></I></TD>
      <TD style="border-right: 2px solid #000000">&nbsp;</TD>
      <TD nowrap align="center"></TD>
      <TD nowrap align="center"><I>Registration Fee</I></TD>
      <TD width="1%">&nbsp;</TD>
  </TR>
  
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR valign="bottom">
      <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                      <TD align="center" style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock, $0.01
  par value per share</DIV></TD>
      <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
      <TD style="border-top: 2px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 2px solid #000000">600,000 shares</TD>
      <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
      <TD style="border-top: 2px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 2px solid #000000">$23.62</TD>
      <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
      <TD style="border-top: 2px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 2px solid #000000">$14,172,000</TD>
      <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
      <TD style="border-top: 2px solid #000000">&nbsp;</TD>
      <TD align="center" valign="top" style="border-top: 2px solid #000000">$790.80</TD>
      <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
  </TR>
  <TR style="font-size: 1px" valign="bottom">
      <TD nowrap align="left" colspan="15" style="border-top: 3px double #000000">&nbsp;</TD>
  </TR>
  
  <!-- End Table Body -->
  </TABLE>
  </DIV>
  
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
  <TR>
      <TD width="3%"></TD>
      <TD width="1%"></TD>
      <TD width="96"></TD>
  </TR>
  
  <TR valign="top">
      <TD nowrap align="left">(1)</TD>
      <TD>&nbsp;</TD>
      <TD>Pursuant to Rule 416(a) under the Securities Act of 1933, this registration statement also
  covers such additional shares of Common Stock as may be issued to prevent dilution from stock
  splits, stock dividends and similar transactions.</TD>
  </TR>
  
  <TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>
  
  <TR valign="top">
      <TD nowrap align="left">(2)</TD>
      <TD>&nbsp;</TD>
      <TD>Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(h)
  under the Securities Act of 1933. The proposed maximum offering price per share and the
  proposed maximum aggregate offering price are based upon the average of the high and low sales
  price of Forrester Research, Inc. common stock, par value $0.01 per share (&#147;Common Stock&#148;), as
  reported on the Nasdaq Global Select Market on May&nbsp;27, 2009.</TD>
  </TR>
  
  </TABLE>
  
  
  
  <DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
  <DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
  
  
  
  
  
  
  
  <P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
  </DIV>
  
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  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  <!-- TOC -->
  <A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>
  
  <P><CENTER>
  <TABLE border="0" width="90%" cellpadding="0" cellspacing="0">
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  	<TD width="76%"></TD>
  </TR>
  <TR><TD colspan="9"><A HREF="#000">EXPLANATORY NOTE</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#001">SIGNATURES AND POWER OF ATTORNEY</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#002">EXHIBIT INDEX</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b75689s8exv5.htm">Ex-5 Opinion of Ropes & Gray LLP.</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b75689s8exv23w1.htm">Ex-23.1 Consent of BDO Seidman, LLP, Independent Registered Accounting Firm.</A></TD></TR>
  </TABLE>
  </CENTER>
  <!-- /TOC -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  
  
  
  <!-- link1 "EXPLANATORY NOTE" -->
  <DIV align="left"><A NAME="000"></A></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt">EXPLANATORY NOTE
  </DIV>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Registration Statement has been filed pursuant to General Instruction E on Form S-8, to
  register 600,000 additional shares of common stock to be offered pursuant to the Amended and
  Restated Employee Stock Purchase Plan (the &#147;Plan&#148;) of Forrester Research, Inc. (the &#147;Company&#148;). A
  registration statement on Form&nbsp;S-8 (No.&nbsp;333-16905), filed with the Commission on November&nbsp;27, 1996
  to register 400,000 shares of common stock offered pursuant to the Plan, and a registration
  statement on Form&nbsp;S-8 (No.&nbsp;333-99749), filed with the Commission on September&nbsp;18, 2002 to register
  an additional 500,000 shares of common stock offered pursuant to the Plan, are currently effective
  and are hereby incorporated herein by reference.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All references to shares of Company common stock have been adjusted to reflect the stock split
  effected in the form of a 100% stock dividend on February&nbsp;7, 2000.
  </DIV>
  
  <P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
  </DIV>
  
  <!-- PAGEBREAK -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <DIV style="font-family: 'Times New Roman',Times,serif">
  <!-- link1 "SIGNATURES AND POWER OF ATTORNEY" -->
  <DIV align="left"><A NAME="001"></A></DIV>
  
  <DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES AND POWER OF ATTORNEY</B>
  </DIV>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it
  has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
  has duly caused this Registration Statement to be signed on its behalf by the undersigned,
  thereunto duly authorized, in the City of Cambridge, the Commonwealth of Massachusetts, on May&nbsp;29,
  2009.
  </DIV>
  
  <TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
  <TR>
      <TD width="48%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="35%">&nbsp;</TD>
      <TD width="15%">&nbsp;</TD>
  </TR>
  <TR>
      <TD valign="top" align="left">&nbsp;</TD>
      <TD colspan="3" align="left"><FONT style="font-variant: SMALL-CAPS">Forrester Research, Inc.</FONT><BR>
  &nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR><TR>
      <TD align="left">&nbsp;</TD>
      <TD valign="top">By:&nbsp;&nbsp;</TD>
      <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ George F. Colony
  &nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR><TR>
      <TD align="left">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD valign="top">Name:&nbsp;&nbsp;</TD>
      <TD align="left">George F. Colony&nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR><TR>
      <TD align="left">&nbsp;</TD>
      <TD>&nbsp;</TD>
      <TD valign="top">Title:&nbsp;&nbsp;</TD>
      <TD align="left">Chairman of the Board and <BR>Chief
  Executive Officer&nbsp;</TD>
      <TD>&nbsp;</TD>
  </TR>
  <TR>
      <TD colspan="5">&nbsp;</TD>
  </TR>
  </TABLE>
  
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration
  Statement has been signed by the following persons in the capacities indicated on May&nbsp;29, 2009.
  </DIV>
  
  <DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Further, we, the undersigned officers and directors of Forrester Research, Inc. (the
  &#147;Corporation&#148;) hereby severally constitute and appoint George F. Colony, Michael A. Doyle and Gail
  S. Mann, and each of them singly, our true and lawful attorneys with full power to them, and each
  of them singly, to sign for us and in our names in the capacities as indicated, any and all
  amendments or supplements to this Registration Statement on Form S-8 of the Corporation, and
  generally to do all such things in connection therewith in our name and on our behalf in our
  capacities as indicated to enable the Corporation to comply with the provisions of the Securities
  Act of 1933, as amended, and all requirements of the Securities and Exchange Commission, hereby
  ratifying and confirming our signatures as they may be signed by our said attorneys or any of them,
  to any and all amendments.
  </DIV>
  <DIV align="center">
  <TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
  <!-- Begin Table Head -->
  <TR valign="bottom">
      <TD width="30%">&nbsp;</TD>
      <TD width="10%">&nbsp;</TD>
      <TD width="60%">&nbsp;</TD>
  </TR>
  <TR style="font-size: 8pt" valign="bottom">
      <TD nowrap align="left" style="border-bottom: 1px solid #000000">Signature</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="left" style="border-bottom: 1px solid #000000">Title</TD>
  </TR>
  
  <!-- End Table Head -->
  <!-- Begin Table Body -->
  <TR valign="bottom"><!-- Blank Space -->
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS">/s/ George F. Colony</FONT>
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top"><B>Chairman of the Board and Chief Executive Officer</B></TD>
  </TR>
  <TR style="font-size: 1px">
      <TD align="center" valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS"><B>George F. Colony</B></FONT>
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">(Principal Executive Officer)</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS">/s/ Michael A. Doyle</FONT>
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top"><B>Chief Financial Officer and Treasurer</B></TD>
  </TR>
  <TR style="font-size: 1px">
      <TD align="center" valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS"><B>Michael A. Doyle</B></FONT>
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">(Principal Financial Officer and Principal
  Accounting Officer)</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS">/s/ Robert M. Galford</FONT>
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Director</TD>
  </TR>
  <TR style="font-size: 1px">
      <TD align="center" valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS"><B>Robert M. Galford</B></FONT></DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS">/s/ Gretchen Teichgraeber</FONT>
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Director</TD>
  </TR>
  <TR style="font-size: 1px">
      <TD align="center" valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS"><B>Gretchen Teichgraeber</B></FONT></DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS">/s/ Michael H. Welles</FONT>
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Director</TD>
  </TR>
  <TR style="font-size: 1px">
      <TD align="center" valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS"><B>Michael H. Welles</B></FONT></DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS">/s/ Henk W. Broeders</FONT>
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Director</TD>
  </TR>
  <TR style="font-size: 1px">
      <TD align="center" valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS"><B>Henk W. Broeders</B></FONT></DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS">/s/ George R. Hornig</FONT>
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Director</TD>
  </TR>
  <TR style="font-size: 1px">
      <TD align="center" valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><FONT style="font-variant: SMALL-CAPS"><B>George R. Hornig</B></FONT></DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
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  </DIV>
  
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  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <DIV style="font-family: 'Times New Roman',Times,serif">
  
  
  
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      <TD width="5%">&nbsp;</TD>
      <TD width="3%">&nbsp;</TD>
      <TD width="92%">&nbsp;</TD>
  </TR>
  <TR style="font-size: 8pt" valign="bottom">
      <TD nowrap align="left" style="border-bottom: 1px solid #000000">Exhibit</TD>
      <TD>&nbsp;</TD>
      <TD nowrap align="left" style="border-bottom: 1px solid #000000">Description</TD>
  </TR>
  
  <!-- End Table Head -->
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      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Opinion of Ropes &#038; Gray LLP.</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Consent of BDO Seidman, LLP, Independent Registered Public Accounting Firm.</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
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      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Consent of Ropes &#038; Gray LLP (included in its opinion in Exhibit&nbsp;5).</TD>
  </TR>
  <TR valign="bottom"><!-- Blank Space -->
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24
  </DIV></TD>
      <TD>&nbsp;</TD>
      <TD align="left" valign="top">Powers of Attorney (contained in Part II hereof under Signatures and Power of Attorney).</TD>
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text: sv8
  Table of Contents
  UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION
  Washington, D.C. 20549
  FORM S-8
  REGISTRATION STATEMENT
  UNDER
  THE SECURITIES ACT OF 1933
  Forrester Research, Inc.
  (Exact name of registrant as specified in its charter)
  Delaware
  04-2797789
  (State or other jurisdiction
  (I.R.S. Employer
  of incorporation or organization)
  Identification No.)
  400 Technology Square
  Cambridge, Massachusetts 02139
  (Address of principal executive offices, including zip code)
  FORRESTER RESEARCH, INC. AMENDED AND RESTATED EMPLOYEE STOCK PURCHASE PLAN
  (Full title of the plans)
  GAIL S. MANN, ESQ.
  Chief Legal Officer and Secretary
  Forrester Research, Inc.
  400 Technology Square
  Cambridge, Massachusetts 02139
  617-613-6000
  (Name, address and telephone number, including area code, of agent for service)
  Please send copies of all communications to:
  KEITH F. HIGGINS, ESQ.
  Ropes & Gray LLP
  One International Place
  Boston, MA 02110
  617-951-7000
  617-951-7050 (facsimile)
  CALCULATION OF REGISTRATION FEE
  Title of Each Class of
  Amount to be
  Proposed Maximum
  Proposed Maximum
  Amount of
  Securities to be Registered(1)
  Registered(1)
  Offering Price Per Share(2)
  Aggregate Offering
  Price(2)
  Registration Fee
  Common Stock, $0.01
  par value per share
  600,000 shares
  $23.62
  $14,172,000
  $790.80
  (1)
  Pursuant to Rule 416(a) under the Securities Act of 1933, this registration statement also
  covers such additional shares of Common Stock as may be issued to prevent dilution from stock
  splits, stock dividends and similar transactions.
  (2)
  Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(h)
  under the Securities Act of 1933. The proposed maximum offering price per share and the
  proposed maximum aggregate offering price are based upon the average of the high and low sales
  price of Forrester Research, Inc. common stock, par value $0.01 per share ("Common Stock"), as
  reported on the Nasdaq Global Select Market on May 27, 2009.
  TABLE OF CONTENTS
  EXPLANATORY NOTE
  SIGNATURES AND POWER OF ATTORNEY
  EXHIBIT INDEX
  Ex-5 Opinion of Ropes & Gray LLP.
  Ex-23.1 Consent of BDO Seidman, LLP, Independent Registered Accounting Firm.
  Table of Contents
  EXPLANATORY NOTE
  This Registration Statement has been filed pursuant to General Instruction E on Form S-8, to
  register 600,000 additional shares of common stock to be offered pursuant to the Amended and
  Restated Employee Stock Purchase Plan (the "Plan") of Forrester Research, Inc. (the "Company"). A
  registration statement on Form S-8 (No. 333-16905), filed with the Commission on November 27, 1996
  to register 400,000 shares of common stock offered pursuant to the Plan, and a registration
  statement on Form S-8 (No. 333-99749), filed with the Commission on September 18, 2002 to register
  an additional 500,000 shares of common stock offered pursuant to the Plan, are currently effective
  and are hereby incorporated herein by reference.
  All references to shares of Company common stock have been adjusted to reflect the stock split
  effected in the form of a 100% stock dividend on February 7, 2000.
  Table of Contents
  SIGNATURES AND POWER OF ATTORNEY
  Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it
  has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
  has duly caused this Registration Statement to be signed on its behalf by the undersigned,
  thereunto duly authorized, in the City of Cambridge, the Commonwealth of Massachusetts, on May 29,
  2009.
  Forrester Research, Inc.
  By:
  /s/ George F. Colony
  Name:
  George F. Colony
  Title:
  Chairman of the Board and
  Chief
  Executive Officer
  Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration
  Statement has been signed by the following persons in the capacities indicated on May 29, 2009.
  Further, we, the undersigned officers and directors of Forrester Research, Inc. (the
  "Corporation") hereby severally constitute and appoint George F. Colony, Michael A. Doyle and Gail
  S. Mann, and each of them singly, our true and lawful attorneys with full power to them, and each
  of them singly, to sign for us and in our names in the capacities as indicated, any and all
  amendments or supplements to this Registration Statement on Form S-8 of the Corporation, and
  generally to do all such things in connection therewith in our name and on our behalf in our
  capacities as indicated to enable the Corporation to comply with the provisions of the Securities
  Act of 1933, as amended, and all requirements of the Securities and Exchange Commission, hereby
  ratifying and confirming our signatures as they may be signed by our said attorneys or any of them,
  to any and all amendments.
  Signature
  Title
  /s/ George F. Colony
  Chairman of the Board and Chief Executive Officer
  George F. Colony
  (Principal Executive Officer)
  /s/ Michael A. Doyle
  Chief Financial Officer and Treasurer
  Michael A. Doyle
  (Principal Financial Officer and Principal
  Accounting Officer)
  /s/ Robert M. Galford
  Director
  Robert M. Galford
  /s/ Gretchen Teichgraeber
  Director
  Gretchen Teichgraeber
  /s/ Michael H. Welles
  Director
  Michael H. Welles
  /s/ Henk W. Broeders
  Director
  Henk W. Broeders
  /s/ George R. Hornig
  Director
  George R. Hornig
  Table of Contents
  EXHIBIT INDEX
  Exhibit
  Description
  5
  Opinion of Ropes & Gray LLP.
  23.1
  Consent of BDO Seidman, LLP, Independent Registered Public Accounting Firm.
  23.2
  Consent of Ropes & Gray LLP (included in its opinion in Exhibit 5).
  24
  Powers of Attorney (contained in Part II hereof under Signatures and Power of Attorney).