EXHIBIT 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Post-Effective Amendment No. 1
to Registration Statement No. 333-67466 of Willis North America Inc. on Form S-8
of our report dated June 27, 2006, appearing in this Annual Report on Form 11-K
of Willis North America Inc.'s Financial Security Partnership Plan for the year
ended December 31, 2005.

/s/ Deloitte & Touche LLP

Nashville, Tennessee
June 27, 2006



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