Exhibit 23.4
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference of our report dated March 13, 2007, relating to
the consolidated financial statements of BlackRock, Inc. appearing in the Annual Report on Form
10-K of BlackRock, Inc. for the year ended December 31, 2006, which is incorporated by reference in
the Annual Report on Form 10-K/A of The PNC Financial Services Group, Inc. (the Corporation) for
the year ended December 31, 2006, in this Amendment No. 1 to Registration Statement No. 333-149076
on Form S-4 of the Corporation.
/s/ Deloitte & Touche LLP
New York, New York
February 11, 2008