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EX-32.1 - EX-32.1 - Guaranty Bancorpa2202085zex-32_1.htm
EX-31.1 - EX-31.1 - Guaranty Bancorpa2202085zex-31_1.htm
EX-21.1 - EX-21.1 - Guaranty Bancorpa2202085zex-21_1.htm
10-K - 10-K - Guaranty Bancorpa2202085z10-k.htm

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Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We consent to the incorporation by reference in Registration Statement No. 333-127456, 333-134950 and 333-166695 on Form S-8 of Guaranty Bancorp of our report dated February 18, 2011 relating to the consolidated financial statements appearing in this Annual Report on Form 10-K.

/s/ Crowe Horwath LLP                        

Sherman Oaks, California
February 18, 2011




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