In August2018, Asante Kotoko announced the departure of Agyemang and fellow player Isaac Quansah. With one season left on his contract, he signed a 3-year deal for Obuasi-based team Ashanti Gold. He was a member of the club's squad that featured in the 2020–21 CAF Confederation Cup. In August 2020, he signed a new 3-year contract with the club after the expiration of his initial 3-year contract.