EX-23.1 8 a2225778zex-23_1.htm EX-23.1

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the reference to our firm under the caption “Experts” in the Registration Statement Form S-3 and related Prospectus of Aon plc and to the incorporation by reference therein of our reports dated February 23, 2015, with respect to the consolidated financial statements and the effectiveness of internal control over financial reporting of Aon plc, included in its Annual Report Form 10-K for the year ended December 31, 2014, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

Chicago, Illinois

September 3, 2015