Guillaume Martin is a French cyclist who currently rides for UCI WorldTeam Cofidis.

Cofidis Solutions Crédits is a French professional road bicycle racing team sponsored by a money-lending company, Cofidis. It was started in 1996 by Cyrille Guimard, the former manager of Bernard Hinault, Greg LeMond and Laurent Fignon of the Renault–Elf–Gitane team of the 1980s. The team's sponsor has supported the team despite repeated problems such as doping scandals. After it was part of the UCI ProTour for the ProTour's first five seasons, from 2010 the team competed as a UCI Professional Continental team. The team joined the UCI World Tour for the 2020 season.