Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-193212, 333-188431) of Quintiles Transnational Holdings Inc. of our report dated February 13, 2014 relating to the financial statements and financial statement schedules, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Raleigh, North Carolina

February 13, 2014