[2][3] He is considered one of the experienced goalkeepers in the Ghana Premier League after previously having stints with Accra Great Olympics, King Faisal Babes and New Edubiase United.
[4][5] Mensah previously played for Accra Great Olympics, King Faisal Babes before moving to New Edubiase United.
[4][3] In November 2016, Mensah signed a two-year contract with Ghana Premier League giants Accra Hearts of Oak.
[5] In June 2020, he revealed that he was glad to serve as senior figure and an inspiration in the Hearts team and get the chance to mentor the younger goalkeepers including Ayi, Attah and Richard Baidoo.
[14] Hearts won the 2021 Ghanaian FA Cup following a 8–7 penalty shoot-out victory over Ashanti Gold at Accra Sports Stadium in the final, after a goalless draw in extra-time, he was named on the bench and did not feature.