EXHIBIT 23.1



                          INDEPENDENT AUDITORS' CONSENT


We consent to the incorporation by reference in this Registration Statement of
Marsh & McLennan Companies, Inc. on Form S-8 of our report dated March 2, 2001,
appearing in and incorporated by reference in the Annual Report on Form 10-K of
Marsh & McLennan Companies, Inc. for the year ended December 31, 2000.


/s/Deloitte & Touche LLP
Deloitte & Touche LLP

New York, New York
September 20, 2001