Online gambling firm St Minver, which lists Cheggars Bingo, BingoJoy and Littlewoods Bingo among its clients, has joined forces with Citadel.
The ESI Entertainment Systems Incorporated group will provide its "revolutionary" banking system to the internet casino company from now on.
IGamingBusiness reports that St Minver has already started using Citadel's instant internet banking platform and both parties appear to be happy with the collaboration.
Citadel Commerce president Michael Meeks dubbed the online casino group "the largest operatir of European gaming networks" and said his firm was pleased to join up with them.
Sean Randall, operations director at St Minver, added: "Our diversity of international clients means that we have to provide cutting-edge payment solutions."
Other clients in St Minver's portfolio include ChitChatBingo, Love Bingo, Butlins Bingo and Paparazzi Bingo.
It can also boast Casino Red and VIP Casino as current clients, highlighting its industry-wide presence.