Ricoh, whose competitors are Xerox and Hewlett-Packard, specialises in printing, copying, scanning and faxing equipment.
B-M won a three-way pitch to handle corporate PR across Europe, the Middle East and Africa. Ricoh previously managed all PR for this region in-house.
The agency will raise brand awareness and liaise with Ricoh's PR representatives across EMEA. It will target the pan-European press and broadcasters.
The account will be led by Charlotte Greaves, manager of B-M's corporate, issues and technology practice.