Exhibit 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Amendment No. 1 to Registration Statement No.
333-149076 on Form S-4 of our report dated March 1, 2007, February 4, 2008, as to the effects of
the restatement discussed in Note 1 (which report expresses an unqualified opinion and includes
explanatory paragraphs relating to the restatement discussed in Note 1, the Corporations adoption
of Statement of Financial Accounting Standard No. 158, Employers Accounting for Defined Benefit
Pension and Other Postretirement Plansan amendment of FASB Statements No. 87, 88, 106, and
132(R) and the Corporations use of the equity method of accounting to recognize its investment in
BlackRock, Inc.) relating to the consolidated financial statements of The PNC Financial Services
Group, Inc. (the Corporation) appearing in the Annual Report on Form 10-K/A, Amendment No. 1 of
the Corporation for the year ended December 31, 2006 and our report dated March 1, 2007 relating to
managements report on the effectiveness of internal control over financial reporting appearing in
the Annual Report on Form 10-K/A, Amendment No. 2 of the Corporation for the year ended December
31, 2006 and to the reference to us under the heading Experts in the proxy statement/prospectus,
which is part of this Registration Statement.
/s/ Deloitte & Touche LLP
Pittsburgh, Pennsylvania
February 11, 2008