Assibey-Mensah is a product of the Mainz 05academy. Following two seasons as a professional with Brentford B in England, he returned to his native Germany. Since 2018, Assibey-Mensah has played lower-league football for TSV Schott Mainz, SC Freiburg II, FSV Zwickau and 1. FC Bocholt.
Club career
Youth years
A left winger or attacking midfielder,[3] Assibey-Mensah began his career in his native Germany with Fontana Finthen,[4] before entering the Mainz 05academy.[3] He progressed through the ranks to the club's U17 team and scored three goals in 14 U17 Bundesliga appearances before his release at the end of the 2015–16 season.[3][5] Assibey-Mensah moved to England to sign his first professional contract to be a part of the B team at Championship club Brentford on 31 August 2016.[3] He made 62 B team appearances and scored six goals before his release at the end of the 2017–18 season.[6]
TSV Schott Mainz
In mid-September 2018, Assibey-Mensah returned to Germany to join Oberliga Rheinland-Pfalz/Saar club TSV Schott Mainz on a contract running until the end of the 2018–19 season.[7] During a season interrupted with a pulmonary embolism,[8] he finished with 15 appearances and two goals.[9] He scored prolifically for the reserve team, with 10 goals in seven Bezirksliga Rheinhessen appearances.[10] During the club's 2019–20 Oberliga Rheinland-Pfalz/Saar championship-winning season,[11] which was ended prematurely by the COVID-19 pandemic,[12] Assibey-Mensah made 20 appearances and scored eight goals.[9] He was retained for 2020–21 and scored 12 goals in 39 appearances during a Regionalliga Südwest season in which the club narrowly avoided relegation.[9][13][14] Assibey-Mensah departed TSV Schott Mainz at the end of the campaign and made 76 appearances and scored 23 goals during his three-season spell with the club.[9][15]
SC Freiburg II
In May 2021, Assibey-Mensah agreed to transfer to newly-promoted 3. Liga club SC Freiburg II,[15][16] on a contract effective 1 July 2021, for a €100,000 fee.[17] During an illness-affected 2021–22 season,[18][19] he made eight appearances without scoring.[20] In June 2022, Assibey-Mensah joined Swiss Challenge League club FC Schaffhausen on trial, but did not win a contract.[21] Assibey-Mensah departed the club on the penultimate day of the summer transfer window.[22]
FSV Zwickau
On 31 August 2022, Assibey-Mensah transferred to 3. Liga club FSV Zwickau and signed a one-year contract, with a one-year option.[22] He made 20 appearances and scored three goals during a 2022–23 season which culminated in the club's relegation to the Regionalliga Nordost.[20][23] Assibey-Mensah was released when the club neglected to take up the option on his contract.[24]
Return to TSV Schott Mainz
Assibey-Mensah spent time during the 2023 off-season training with the VDV and former club TSV Schott Mainz.[25] Following a failed trial with Regionalliga Südwest club Kickers Offenbach, Assibey-Mensah signed a contract with TSV Schott Mainz on 8 September 2023.[25] After four goals in 15 appearances,[20] he departed the club during the 2023–24 winter break.[26]
1. FC Bocholt
On 5 January 2024, Assibey-Mensah transferred to Regionalliga West club 1. FC Bocholt.[26] He made seven appearances and scored one goal during what remained of the 2023–24 season,[20] prior to being frozen out of the squad in April 2024.[27]