ES Group (Holdings) Limited is a Singapore-based investment holding company. The Company is an offshore and marine (O&M) company that offers a range of services for O&M structures and vessels. The Company operates through two segments: New building and conversion, and Repair. The New building and conversion segment is engaged in new building and conversion of O&M structures and vessels, and labor supply. The Repair segment is engaged in the repair of ships tankers and other ocean-going vessels. The Company has its workshop and repair facilities within Singapore. It also provides management and technical services. The Company also owns approximately 70,000-square-meter shipyard with fabrication grounds in Thailand. The Company, through its subsidiaries, is engaged in the sale of consumables; repairs of vessel and related engineering services, and building of ships, tankers and other ocean-going vessels and chartering of ships, barges and boats without crew, among others.