He rejected this initial chance, but subsequently joined Grays Athletic for a month on 14 March 2008, scoring five goals in thirteen Conference National matches. Gillingham released Cogan at the end of the 2007–08 season, after he made just 21 appearances in all competitions.
Initially, he declined the initial offer, but eventually signed with Grays Athletic for a short period on 14 March 2008, netting five goals in thirteen Conference National games. Gillingham ultimately let Cogan go at the end of the 2007–08 season, after he had made only 21 appearances across all competitions.