AMG_Exhibit 23.1_12.31.2013

We hereby consent to the incorporation by reference in the Registration Statement on Forms S-3 (No. 333-190402) and S-8 (No. 333-190412, No. 333-175912, No. 333-135416, No. 333-129748, No. 333-100628, No. 333-84485, and No. 333-72967) of Affiliated Managers Group, Inc. of our report dated February 26, 2014 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.