Nagano-Ken Shinkumi Bank, also known as the Nagano Prefectural Credit Cooperative, was established on April 11, 1951. It operates as a cooperative financial institution based on the principle of mutual aid, aiming to contribute to the prosperity of the local community. The bank's primary business involves providing a range of financial services, including deposits, loans, and insurance products, to its members, who are primarily individuals and small to medium-sized enterprises within Nagano Prefecture.