Their biggest success to date was to win the Championship in 2007 of the
Thai Division 1 League and earn the right to promotion to the
Thai Premier League. Their stay in the
Premier League only lasted one season and they finished bottom of the league. For the 2009 season they returned to the
1st Division. In 2010 the Customs Department changed their name to Suvarnabhumi Customs FC and played their home fixtures at the
Lad Krabang 54 Stadium, this was after they announced in January of that year that they were moving to
Phetchburi, this move never happened. They finished
7th which was one place off the TPL playoffs which were being held due to league expansion. The next season saw another change of name, this time to Samut Prakan Customs United FC due to moved to
Samut Prakan. The club were relegated from Division 1 in 2011 and dropped into the
Regional League Division 2 Bangkok Metropolitan Region. The club also dropped the 'Samut Prakan' tag and were known as Customs United for the beginning of the 2012 season. ==Affiliated clubs==