 After his professional career in England, Sigurðsson went home to his old club, Þór, and played 15 games for them in 2005.In summer 2006, he was appointed player-manager at Þór, a position he held until 31 May 2010 when he resigned after conflict with the board.On 20 July 2010, he joined ÍA, the club he played in as a youngster.