Exhibit

We consent to the incorporation by reference in Registration Statement Nos. 333-136230, 333-148328, 333-152985, 333-183177, 333-192497, and 333-215345 on Form S-8 of our reports dated February 24, 2017, relating to the consolidated financial statements of Enterprise Financial Services Corp and subsidiaries (the “Company”), and the effectiveness of the Company's internal control over financial reporting, appearing in this Annual Report on Form 10-K of Enterprise Financial Services Corp for the year ended December 31, 2016.