Bonum Bank is a central credit institution owned by the POP Bank Alliance. Bonum Bank is based on the former payment institution ACH Finland Ltd. Banking operations began in August 2014 and POP Banks central credit institution operations commenced in February 2015. As a central credit institution Bonum Bank is responsible for payment transfer and treasury services for POP Banks. Bonum Bank is an internal bank in the POP Bank Group providing services to POP Banks and thus reducing need of outside service providers. Since December 2015 Bonum Bank is member of the POP Bank Alliance and part of the Amalgamation of POP Banks.