[1] He started his career in the youth system at Leyton Orient, making his debut at the age of sixteen in a 3–0 defeat to Huddersfield Town in September 2003.
[2] Following his release from Orient, he spent time in pre-season at Southend United and Tranmere Rovers on trial, featuring in friendlies against Dagenham & Redbridge and Shrewsbury Town.
[9][10] In August 2009, Saah dropped into the non-league game, re-uniting with former Orient boss Martin Ling at Conference Premier team Cambridge United.
In July 2011, Saah signed for League Two club Torquay United reuniting again with Martin Ling, despite him having a year to run on his Cambridge contract.
[17] Saah again remained a first team regular with Torquay during his second season with the club making 46 appearances, but rejected the offer of a new contract and chose to leave the Gulls in the summer of 2013.
[19] In his first season with the club he forged a strong partnership with Scott Doe as the Daggers finished in the top half narrowly avoiding the play-offs.
[23] He started the 2014–15 season as first choice centre-back continuing his partnership with Scott Doe, but lost his place in the team around Christmas due to the emergence of loan signing Ayo Obileye.
[27] On 1 August 2015, upon his release from Dagenham & Redbridge, Saah re-joined Woking on a permanent deal after his previous successful loan spell at the club.
[29] On 12 December 2015, Saah netted in Woking's FA Trophy triumph over Boreham Wood, in which he got the equalizer before Giuseppe Sole got the winner in the remaining seconds of the fixture.