SECURITIES AND EXCHANGE COMMISSION

                              WASHINGTON, DC 20549


                                   ----------

                                    FORM 8-K

                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934


                                 Date of Report
               (Date of earliest event reported): February 5, 2004



                      OneSource Information Services, Inc.
               (Exact Name of Registrant as Specified in Charter)



           Delaware                       000-25849         04-3204522
(State or Other Jurisdiction of         (Commission       (IRS Employer
         Incorporation)                 File Number)    Identification No.)

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             300 Baker Avenue
               Concord, MA                                    01742
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(Address of Principal Executive Offices)                    (Zip Code)



       Registrant's telephone number, including area code: (978) 318-4300

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          (Former name or former address, if changed since last report)







                                      - 2 -



Item 5.   Other Events and Required FD Disclosure.
          ----------------------------------------

          On February 5, 2004,  OneSource  announced  that it has  accepted  the
          resignation of Dan Schimmel as President and Chief  Executive  Officer
          and as a Director.  Current  Chairman of the Board of Directors Martin
          Kahn has been named executive chairman and appointed CEO on an interim
          basis.  OneSource  also  announced  that  the  special  committee  has
          completed its previously announced review of strategic options.


Item 12.  Results of Operations and Financial Condition
          ----------------------------------------------------------------------

          The following  information,  including the exhibit attached hereto, is
          furnished to the United  States  Securities  and  Exchange Commission,
          and shall not be deemed  "filed" for purposes of Section 18 of
          the Securities Exchange Act of 1934 (the "Exchange Act") or deemed
          incorporated by reference in any filing (except as expressly set forth
          by specific reference in such filing).

          On  February  5, 2004,  OneSource  issued a press release announcing,
          among other things, financial  results for the fourth quarter and
          year ended  December 31, 2003.  The press release  issued by OneSource
          in  connection  with the announcement is furnished herewith as
          Exhibit 99.1.







                                      -3-




                                   SIGNATURES


     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned authorized officer.


                          ONESOURCE INFORMATION SERVICES, INC.

Date:  February 5, 2004
                          By: /s/ Roy D. Landon
                             -----------------------------------------
                              Roy D. Landon
                              Senior Vice President and Chief Financial Officer



















                                  EXHIBIT INDEX
                                  -------------



Exhibit No.        Description
-----------        -----------

99.1               Press release, dated February 5, 2004