Vallianz Holdings Limited, an investment holding company, provides offshore support vessels and marine solutions to the energy industry in the Middle East and the Asia Pacific. It operates through the Vessel Chartering and Management, Shipyard and Newbuild Management Services, and Investment Holding segments. The company offers specialized offshore support, such as design, specifications, and building of each new series of vessels; and maritime services, including transportation and supply, dynamic positioning operations, anchor handling, offshore mooring, subsea operation, marine salvage, offshore wind farm installation, and decommissioning. It also provides heavy transport vessel solutions comprising submersible heavy lift transport, float-over, launch barges, and jacket and topside transportation and installation; shipbuilding, ship conversions, and ship repairs solutions for anchor handling tugboats, multi-purpose support vessels, research vessels, and offshore floating fish farms. In addition, the company offers turnkey engineering solutions and services; fabrication services for offshore and onshore structures, and modules; and marine technology solutions consisting of marine electrification, vessel DRM solutions, and alternative fuels and green design solutions. Further, it is involved in the development and design of vessels; and the provision of SOVs, CTVs, DP2 heavy transport vessels, and light fabrication for wind structure and modules. The company was formerly known as Enzer Corporation Limited and changed its name to Vallianz Holdings Limited in August 2010. The company was incorporated in 1992 and is headquartered in Singapore, Singapore. Vallianz Holdings Limited operates as a subsidiary of Rawabi Holding Company Limited.