Credit Union One operates as a cooperative credit union in the United States. It offers checking and saving accounts, mortgages, ATM cards, credit cards, debit cards, telephone banking, financial planning, and auto and home insurance services, as well as provides online banking, bill payment, and stock investing services. The company also offers savings and investment products and services, such as money market savings accounts, certificates of deposits, individual retirement accounts, and educational IRAs; and credit services, including personal, auto, home equity credit line, and mortgage loans, as well as provides boat, camper, and RV loans. Credit Union One was formerly known as Ferndale Co-Operative Credit Union. The company was founded in 1938 and is based in Ferndale, Michigan with additional offices in Metro Detroit, Grand Rapids, and Traverse City.