Exhibit 23.3


            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of
Allied World Assurance Company Holdings, Ltd
(formerly Allied World Assurance Holdings, Ltd)

We consent to the use in this Amendment No. 3 to Registration Statement No.
333-132507 of our report dated March 2, 2006 (June   , 2006 as to Note 15),
relating to the consolidated financial statements of Allied World Assurance
Company Holdings, Ltd (formerly Allied World Assurance Holdings, Ltd) and
subsidiaries, appearing in the Prospectus, which is a part of such Registration
Statement, and of our report dated March 2, 2006 (June , 2006 as to the effects
of the stock split described in Note 6) relating to the financial statement
schedules appearing elsewhere in such Registration Statement.

We consent to the reference to us under the heading of "Experts" in such
Prospectus.

Hamilton, Bermuda
June 19, 2006

The consolidated financial statements give effect to a 1-for-3 reverse stock
split of the common shares of Allied World Assurance Company Holdings, Ltd
(formerly Allied World Assurance Holdings, Ltd) which will be consummated prior
to the effective date of the registration statement of which this prospectus is
a part. The preceding consent is in the form which will be furnished by Deloitte
& Touche, an independent registered public accounting firm, upon completion of
the 1-for-3 reverse stock split of the common stock of Allied World Assurance
Company Holdings, Ltd described in Note 15 to the financial statements and
assuming that from March 2, 2006 to the date of such completion no other
material events have occurred that would affect the consolidated financial
statements or require disclosure therein.



/s/ Deloitte & Touche

Hamilton, Bermuda
June 19, 2006