Civista Bancshares, Inc. operates as the financial holding company for Civista Bank that engages in the community banking business in Ohio. The company accepts noninterest-bearing and interest-bearing demand deposits, and certificates of deposit. It offers commercial, commercial and residential real estate mortgage, real estate construction, and consumer loans. The company also provides trust and third party insurance services. It operates branch banking offices in Sandusky, Norwalk, Berlin Heights, Huron, Port Clinton, Castalia, New Washington, Shelby, Willard, Greenwich, Plymouth, Shiloh, Akron, Dublin, Plain City, Russells Point, Urbana, West Liberty, Quincy, and Dayton communities of Ohio; and Lawrenceburg, Aurora, West Harrison, Milan, Osgood, and Versailles, as well as loan production offices in Mayfield Heights, and Westlake, Ohio; and Fort Mitchell, Kentucky. The company was formerly known as First Citizens Banc Corp and changed its name to Civista Bancshares, Inc. in May 2015.