 In his first professional match, a Coupe de France round of 32 tie at Stade Vélodrome on 8 January 2005, he netted the third goal as Angers won 3–2 against Marseille who at the time fielded Fabien Barthez in goal.In his second season at Angers, with whom he had been relegated to the third-division Championnat National, he attained 8 goals in 29 league matches.In summer 2006, Théréau joined Charleroi.