Exhibit 23.3
CONSENT OF INDEPENDENT AUDITOR
We consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated March30, 2015on the consolidated financial statements of Farmers&Merchants Bancshares, Inc. and subsidiary as of and for the years ended December31, 2014and2013contained in Registration Statement No.333-206536of Allegiance Bancshares, Inc. on Amendment 1 to Form S-1.
Houston, Texas | /s/ Harper&Pearson Company, P.C. | |
December 15, 2015 |