Yun Lee Marine Group Holdings Ltd. is an investment company, which engages in through its subsidiaries. It operates through Vessel Chartering and Related Services, and Ship Management Services segments. The Vessel Chartering and Related Services segment provides services mainly to contractors for construction projects, which includes time chartering. The Ship Management Services segment provides ship management services for vessels which transport the dewatered sludge from Stonecutter Island and other designated sites to the Sludge Treatment Facilities. The company was founded on February 21, 2018 and is headquartered in Hong Kong.