Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 and S-3 (No. 333-68771, 333-99551, 333-121907, 333-152897 and 333-158164) of HCC Insurance Holdings, Inc. of our report dated February 28, 2011 relating to the consolidated financial statements, financial statement schedules and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP
Houston, Texas
February 28, 2011