[1][2][3] He led the RMG sector of the country over thirty years and became the president of Bangladesh Garment Manufacturers and Exporters Association (BGMEA), the largest export earning sector of the country.

He entered the garment industry in 1992 by establishing Onus Apparel Ltd.[6] Since then he has started his export oriented garments industry named Onus Group, the largest export earning sector of the country.

He is the director of Trustee Board, BGMEA University of Fashion and Technology (BUFT).

He is also the vice president of Society for Anti addiction Movement (SAAM), Centre of Excellence for Bangladesh Apparel Industry (CEBAI) and Rugby Federation, Director of Mohammedan Sporting Club Limited, Director of BGMEA Apparel Club.

[7] On 26 November 2023 Awami League announced the final list of its 298 candidates to contest the 2024 national election which did not include Mohiuddin.