He rode for one year for Française des Jeux before moving again to the Swedish-Belgian team Unibet.com, which had gained a wild card to the UCI ProTour in 2006.

But just as the 2007 season started the team ran into trouble with the Amaury Sport Organisation who made it clear that Unibet.com would not be invited to Paris–Nice or the Tour de France.

After the 2008 season, it was reported that Larsson had signed with Caisse d'Epargne for 2009, but he continued with Team Saxo Bank.

[3] In March 2015 Larsson made an attempt on the hour record at a Revolution meeting at Manchester Velodrome.

[4] He resides in Monaco with his wife Veronica Andrèasson, who also competed as a road racing cyclist.