The club's most successful years were those between 2001 and 2008 when the club was acquired by the famous company Kometal. Since it was acquired by Kometal, Rabotnichki showed constant progress: in 2002/03 they finished second in the national league and competed in the UEFA Cup, (2004/05) they won the national championship and competed in the qualifications for the UEFA Champions League, and in (2007/08) they had their best year by winning the double crown. Kometal and Trifun Kostovski left Rabotnichki and took over Vardar in 2008. The following year they won the Macedonian Cup for the second time in club history.