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): July 17, 2003



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



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

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



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





Item 7.  Financial Statements, Pro Forma Financial Information and Exhibits.
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         (c)    Exhibits.

         Exhibit No.     Description
         -----------     -----------
         99.1            Press release, dated July 17, 2003, of the Registrant

Item 9. Regulation FD Disclosure [Item 12. Results of Operations and Financial
        Condition]
         ------------------------------------------------------------------

        The following information and exhibit is furnished to the United
        States Securities and Exchange Commission under Item 12. Results of
        Operations and Financial Condition of Form 8-K pursuant to the
        Securities Exchange Act of 1934:

        On July 17, 2003, Registrant issued a press release announcing
        financial results for the second quarter ended June 30, 2003. The press
        release issued by Registrant in connection with the announcement is
        furnished as Exhibit 99.1 and is incorporated herein by reference.






                                   SIGNATURES


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


                                           ONESOURCE INFORMATION SERVICES, INC.

Date:  July 17, 2003
                                           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 July 17, 2003, of the Registrant