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Exhibit 23.3

INDEPENDENT AUDITORS' CONSENT

        We consent to the incorporation by reference in this Amendment to the Registration Statement of Willis Group Holdings Limited on Form S-3 (File No. 333-112354), which Registration Statement also constitutes Post-Effective Amendment No. 2 to Registration Statement on Form S-3 (File No. 333-104439), of our report dated February 5, 2003, except for Notes 20 and 21, as to which the date is April 16, 2003 (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the Company's adoption of Statement of Financial Accounting Standards No. 142 "Goodwill and Other Intangible Assets"), appearing in the Current Report on Form 8-K dated April 16, 2003 of Willis Group Holdings Limited and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement.

DELOITTE & TOUCHE LLP

/s/ Deloitte & Touche LLP

London, England
February 6, 2004

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INDEPENDENT AUDITORS' CONSENT