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                                 UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549


                                SCHEDULE 13G/A


                   Under the Securities Exchange Act of 1934

                             (Amendment No. 1)*


                        Willis Group Holdings, Limited
- --------------------------------------------------------------------------------
                               (Name of Issuer)


                  Common Stock, Par Value $0.000115 per share
- --------------------------------------------------------------------------------
                        (Title of Class of Securities)


                                  G96655 10 8
- --------------------------------------------------------------------------------
                                (CUSIP Number)


                               December 31, 2003
- --------------------------------------------------------------------------------
            (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

          [_]  Rule 13d-1(b)

          [_]  Rule 13d-1(c)

          [X]  Rule 13d-1(d)


- ----------
*  The  remainder  of this  cover  page  shall be filled  out for a  reporting
   person's  initial  filing on this form with respect to the subject class of
   securities,  and for any subsequent amendment containing  information which
   would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).


Persons who are to respond to the collection of information contained in this
form are not required to respond unless the form displays a currently valid
OMB control number.


                                  Page 1 of 9

CUSIP No. G96655 10 8 ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) PROFIT SHARING (OVERSEAS), LIMITED PARTNERSHIP ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [_] (b) [X] ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Alberta, Canada ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 35,543,328 _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY 0 _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 35,543,328 _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH 0 ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 35,543,328 ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 23.38% ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN ________________________________________________________________________________ Page 2 of 9

CUSIP No. G96655 10 8 ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) KKR ASSOCIATES 1996 FUND (OVERSEAS), LIMITED PARTNERSHIP ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [_] (b) [X] ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Alberta, Canada ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 35,543,328 _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY 0 _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 35,543,328 _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH 0 ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 35,543,328 ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 23.38% ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN ________________________________________________________________________________ Page 3 of 9

CUSIP No. G96655 10 8 ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) KKR ASSOCIATES II (1996), LIMITED PARTNERSHIP ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [_] (b) [X] ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 35,543,328 _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY 0 _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 35,543,328 _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH 0 ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 35,543,328 ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 23.38% ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN ________________________________________________________________________________ Page 4 of 9

CUSIP No. G96655 10 8 ________________________________________________________________________________ 1. NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) KKR 1996 OVERSEAS, LIMITED ________________________________________________________________________________ 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions) (a) [_] (b) [X] ________________________________________________________________________________ 3. SEC USE ONLY ________________________________________________________________________________ 4. CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands ________________________________________________________________________________ NUMBER OF 5. SOLE VOTING POWER SHARES 35,543,328 _________________________________________________________________ BENEFICIALLY 6. SHARED VOTING POWER OWNED BY 0 _________________________________________________________________ EACH 7. SOLE DISPOSITIVE POWER REPORTING 35,543,328 _________________________________________________________________ PERSON 8. SHARED DISPOSITIVE POWER WITH 0 ________________________________________________________________________________ 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 35,543,328 ________________________________________________________________________________ 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [_] ________________________________________________________________________________ 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 23.38% ________________________________________________________________________________ 12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) PN ________________________________________________________________________________ Page 5 of 9

Item 1. (a) NAME OF ISSUER Willis Group Holdings Limited (b) ADDRESS of ISSUER'S PRINCIPAL EXECUTIVE OFFICES Ten Trinity Square, London EC3P 3AX, England Item 2. (a) Name of Persons Filing Profit Sharing (Overseas), Limited Partnership KKR 1996 Fund (Overseas), Limited Partnership KKR Associates II (1996), Limited Partnership KKR 1996 Overseas, Limited (b) Address of Principal Business Office, or if none, Residence KKR Overseas, Limited Ugland House P.O. Box 309 George Town, Grand Cayman Cayman Islands (c) Citizenship Alberta, Canada: Profit Sharing (Overseas), Limited Partnership KKR 1996 Fund (Overseas), Limited Partnership Cayman Islands: KKR Associates II (1996), Limited Partnership KKR 1996 Overseas, Limited (d) Title of Class of Securities Common Stock, par value $0.000115 (e) CUSIP Number G96655 10 8 Item 3. If this statement is filed pursuant to ss.240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: (a) [_] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o). (b) [_] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c). (c) [_] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c). (d) [_] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8). (e) [_] An investment adviser in accordance with s.240.13d-1(b)(1)(ii)(G); (f) [_] An employee benefit plan or endowment fund in accordance with s.240.13d-1(b)(1)(ii)(F); (g) [_] A parent holding company or control person in accordance with s.240.13d-1(b)(1)(ii)(G); (h) [_] A savings association as defined in section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813); (i) [_] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3); (j) [_] Group, in accordance with s.240.13d-1(b)(1)(ii)(J). Page 6 of 9

Item 4. Ownership. Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. (a) Amount beneficially owned: Shares shown as beneficially owned by KKR 1996 Overseas, Limited are owned of record by Profit Sharing (Overseas), Limited Partnership. KKR 1996 Overseas, Limited is the general partner of KKR Associates II (1996), Limited Partnership, which is the general partner of KKR 1996 Fund (Overseas), Limited Partnership, which is the general partner of Profit Sharing (Overseas), Limited Partnership. Messrs. Henry R. Kravis, George R. Roberts, Robert I. McDonnell, Paul Raether, Michael W. Michelson, James H. Greene, Jr., Michael T. Tokarz, Edward Gilhuly, Perry Golkin, Scott M. Stuart, Todd A. Fisher, Johannes P. Huth, Alex Navab, Jr. and Neil A. Richardson, as members of KKR 1996 Overseas, Limited, may be deemed to share beneficial ownership of any shares beneficially owned by KKR 1996 Overseas, Limited but disclaim such beneficial ownership. Scott C. Nuttall is a director and executive of Kohlberg Kravis Roberts & Co. L.P. Mr. Nuttall is also a limited partner of KKR Associates II (1996), Limited Partnership. Mr. Nuttall disclaims beneficial ownership of any of our shares beneficially owned by Kohlberg Kravis Roberts & Co., L.P. and KKR Associates II (1996), Limited Partnership. The amounts owned by Messrs. Golkin, Fisher and Nuttall include 34,000, 8,000 and 3,000 respectively. (b) Percent of class: See Item 11 of each cover page, which is based upon Item 5 of each cover page. See Item 4(a) (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: See Item 5 of each cover page. (ii) Shared power to vote or to direct the vote: See Item 6 of each cover page. (iii) Sole power to dispose or to direct the disposition of: See Item 7 of each cover page. (iv) Shared power to dispose or to direct the disposition of: See Item 8 of each cover page. Item 5. Ownership of Five Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities check the following [ ]. Item 6. Ownership of More Than Five Percent on Behalf of Another Person. Not applicable. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company. Not applicable. Item 8. Identification and Classification of Members of the Group. Not applicable. Item 9. Notice of Dissolution of Group. Not applicable. Page 7 of 9

Item 10. Certifications Not applicable. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. PROFIT SHARING (OVERSEAS), LIMITED PARTNERSHIP By: KKR 1996 (Overseas), Limited Partnership, its general partner By: KKR Associates II (1996), Limited Partnership, its general partner By: KKR Overseas, Limited, its general partner By: /s/ William J. Janetschek ----------------------------------- Name: William J. Janetschek Title: Attorney-in-fact for Perry Golkin KKR 1996 FUND (OVERSEAS), LIMITED PARTNERSHIP By: KKR Associates II (1996), Limited Partnership, its general partner By: KKR 1996 Overseas, Limited, its general partner By: /s/ William J. Janetschek ----------------------------------- Name: William J. Janetschek Title: Attorney-in-fact for Perry Golkin KKR ASSOCIATES II (1996), LIMITED PARTNERSHIP By: KKR 1996 Overseas, Limited, its general partner By: /s/ William J. Janetschek ----------------------------------- Name: William J. Janetschek Title: Attorney-in-fact for Perry Golkin KKR 1996 OVERSEAS, LIMITED By: /s/ William J. Janetschek ----------------------------------- Name: William J. Janetschek Title: Attorney-in-fact for Perry Golkin January 14, 2004 Page 8 of 9

EXHIBITS Exhibit 1 - Joint Filing Agreement (already on file) Exhibit 2 - Power of Attorney (already on file) Page 9 of 9