Isabella Bank Corporation operates as the bank holding company for Isabella Bank that provides various banking products and services to businesses, institutions, and individuals and their families.

Its deposit products include checking accounts, savings accounts, certificates of deposit, direct deposits, and money market accounts.

The company's loan portfolio comprises commercial, agricultural, and residential real estate loans, as well as consumer loans, including secured and unsecured personal loans.

It also offers cash management, mobile and internet banking, electronic bill pay, automated teller machines, trust and investment, estate planning, and safe deposit box rental services; and group life, health, accident, disability, and other insurance products, as well as other employee benefit programs.

As of December 31, 2021, the company operated 30 banking offices in Clare, Gratiot, Isabella, Mecosta, Midland, Montcalm, and Saginaw counties.

Isabella Bank Corporation was founded in 1903 and is headquartered in Mount Pleasant, Michigan.