Vallianz Holdings Limited, an investment holding company, provides offshore support vessels and integrated offshore marine solutions to the oil and gas industry. The company operates through Vessel Chartering, and Shipyard and Vessel Management Services segments. It offers offshore marine services, including vessel ownership and chartering; shipyard and vessel management services, including in-house fabrication and engineering services, such as ship building, fabrication works, and ship repairs, as well as consultancy and vessel project management; vessel docking, repairs, and maintenance works; heavy transport vessels; and renewable and sustainable energy services. The company also owns and operates shipyards in Indonesia; and offshore support vessels, including anchor handling, platform supply vessels, offshore floating storage and supply vessels, submersible launch barges, maintenance and accommodation vessels, utility support vessels, flat top cargo barges, accommodation work barges, towing tugs, utility vessels, lift boats, and crew boats. It serves customers in the Middle East, Asia Pacific, and Gulf of Mexico. The company was incorporated in 1992 and is headquartered in Singapore. Vallianz Holdings Limited is a subsidiary of Rawabi Holding Company Limited.