"OP" stands for "osuuspankki" in Finnish, literally meaning "cooperative bank".

The first local cooperative credit societies were founded in 1902 and received a large loan from the Finnish state the next year.

[8] OP Corporate Bank's customers are large companies in Finland.

It is responsible for the Baltic business, operating as a bank for large companies and conducting financial services in Estonia, Latvia and Lithuania.

[8] In addition, OP Corporate Bank offers financial services in internationalization.