First Berlin Bancorp Inc. operates as the banking holding company for Fortifi Bank that provides a range of banking products and services for businesses and consumers. It offers checking and savings accounts, and certificates of deposit, as well as personal loans, home loans, auto loans, and business credit and loans. The company also provides debit and credit cards, treasury management, online and mobile banking, and wealth management services. Its financial centers are located in Berlin, Green Bay, Green Lake, Montello, Omro, Oshkosh, Ripon, Waunakee, and Winneconne. The company was founded in 1876 and is based in Berlin, Wisconsin.