A distinguished amateur with over 150 fights, Smith represented Rotunda ABC and achieved fame at the 2006 Commonwealth Games in Melbourne when he defeated Mehrullah Lassi in the final to win Commonwealth Gold. He also won a bronze medal at the 2006 European Amateur Boxing Championships in Plovdiv, losing in the semi-final of that tournament to Albert Selimov. He also won the ABA championships in 2005 and 2006, the Four Nations in 2006 and Gold at the 2007 Commonwealth Federation Championships held in Liverpool.