Harland & Wolff Group Holdings plc, a multisite fabrication company, provides offshore and maritime engineering services in the United Kingdom and internationally. It offers technical services, such as consultancy, basic design, detailed engineering, and through-life support services; fabrication and construction; and repair and maintenance services. The company also provides in-service support; conversion services, including initial feasibility studies, detail design, and fabrication and lifetime support; and decommissioning services. It serves clients in oil and gas, defense, cruise and ferry, commercial, and renewables sectors. The company was formerly known as InfraStrata plc and changed its name to Harland & Wolff Group Holdings plc in September 2021. The company was founded in 1861 and is based in London, the United Kingdom.