Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Amendment No. 1 to Registration Statement No. 333-163343 on Form S-4 of our reports dated February 27, 2009, relating to the consolidated financial statements and financial statement schedule of Berkshire Hathaway Inc., and the effectiveness of Berkshire Hathaway Inc.’s internal control over financial reporting, appearing in the Annual Report on Form 10-K of Berkshire Hathaway Inc. for the year ended December 31, 2008, and to the reference to us under the heading “Experts” in the Prospectus, which is part of this Registration Statement.

Deloitte & Touche LLP

Omaha, Nebraska

December 21, 2009