 A successful spell with County brought him a move to Dundee United in 2003, where his final game was the 2005 Scottish Cup Final defeat to Celtic, before he returned to England with Gillingham.After only five months with Gillingham, Bullock signed for St Mirren in January 2006, but he failed to cement a first-team place and was released in May 2007.He rejoined Ross County in June 2007, along with Stuart Golabek.