Career
West Ham United
A youth team player, Fanimo signed his first professional contract with West Ham United in the summer of 2011. He made his first team debut for West Ham on 28 August 2012 against Crewe Alexandra in the Football League Cup coming on as a 60th-minute substitute for Matthew Taylor. Fanimo was released by West Ham on 2 February, 2015.
Tranmere Rovers
In September 2014, Fanimo signed on loan for Tranmere Rovers.
He made only one appearance for Tranmere, coming on as an 80th-minute substitute for Jake Kirby in a 1–0 away defeat by Carlisle United on 27 September 2014. Fanimo has played for England at U16, U17, and the U18 level
Fanimo then made his debut at U17 level on 3 August 2010 against Finland. He also made his U18 debut on 16 September 2011 against Slovakia.