EXHIBIT 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on FormS-8 (333-115923, 333-159544, 333-134498, 333-134497, 333-159546, 333-196194) and Form S-3 (333-179667) of The Interpublic Group of Companies, Inc. of our report dated February 23, 2015 relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.  

/s/ PricewaterhouseCoopers LLP

New York, New York

February 23, 2015