[2] Cousins graduated to the Brentford professional side in July 1989, making 21 Third Division appearances over the next two seasons.
The club finished runners-up in his debut season, before they won the Conference and the FA Trophy in 1992–93.
Back in the Football League, Cousins helped Wycombe to promotion to the Second Division in 1994 with their play-off final victory.
[2] Remaining in the third tier for several years, he was a part of the club's remarkable FA Cup semi-final run in 2000–01, and played in the 2–1 defeat to Liverpool at Villa Park.
[6] In June 2002, Cousins moved back to non-league football with Aldershot Town, where he spent one successful season as they were crowned Isthmian League Premier Division champions.