Isabella Bank Corporation operates as the bank holding company for Isabella Bank that provides banking and wealth management services to businesses, institutions, and individuals and their families in Michigan, the United States. The company offers deposit products, including checking and savings accounts; and certificates of deposit, direct deposits, and cash management services. Its loan portfolio comprises commercial, agricultural, and residential real estate loans, as well as consumer loans, including secured and unsecured personal loans. In addition, the company provides mobile and internet banking, investment management, trust and estate services, automated teller machines, and insurance products. Isabella Bank Corporation was founded in 1903 and is headquartered in Mount Pleasant, Michigan.