Briggs takes over from Andrew Leech, who left CFC to head up IT business Northgate.
Briggs said: "CFC is one of the best known names in the fleet industry and definitely the best-known name in fleet software. I am very pleased to be given the opportunity to look after CFC along with Pinewood."
Briggs added that consolidating the CFC and Pinewood managing director roles made sense because the two companies, which have long shared several key functions, were employing more and more of the same technology.
He explained: "Both CFC and Pinewood's product ranges are based on the breaking technology that we have access to thanks to the companies' Microsoft Gold Certified Partner status.
"Bringing CFC and Pinewood into closer alignment will benefit the capabilities of both companies, allowing our teams to develop new products more quickly and deliver them to market more effectively."
Merging the role of managing director will have no other effect on the current structures of CFC and Pinewood, which have shared key departments such as software development, finance and marketing for several years but retain separate sales and support teams.
The companies share a head office in Birmingham with additional facilities in Nottingham.