Ivor Catto

WS Atkins Ltd. is a holding company, which creates and engineer constructible designs, provides advice to progress projects, and manage projects or programmes to specified quality. The company was founded by William Atkins in 1938 and is headquartered in Epsom, the United Kingdom.

Hyder Consulting Group Holdings Ltd. provides multinational design and engineering consultancy services. It offers advisory, building and infrastructure technology, environment management, geosciences, property, transport and water services. The firm also provides materials handling, non-destructive planning and site investigation services. The company was founded in 1785 and is headquartered in London, the United Kingdom.

Renewable Energy Systems Ltd. develops, designs, and constructs wind farms, renewable heat, and power installations. The firm offers solar farms, transmission lines, and energy storage services. It also provides demand side management, project development, measurement, engineering, construction, legal and commercial package, and asset management services. The company was founded in 1981 and is headquartered in Kings Langley, the United Kingdom.

COWI A/S provides engineering and consulting services. It specializes in economics, management and planning; water and environment; railways, metros, roads, and airports; buildings; geographical information; bridge, tunnel; and marine structures. The company was founded by Christen Ostenfeld in 1930 and is headquartered in Kongens Lyngby, Denmark.

Renewable Energy Systems Americas, Inc. owns and operates renewable energy and energy storage projects. The company is headquartered in Broomfield, CO.

Renewable Energy Systems Holdings Ltd. engages in the development, construction, and management of renewable energy projects and infrastructure. It also sells developed projects, and produces and sells of electricity from projects where ownership has been retained. The company was founded on September 26, 2003 and is headquartered in Kings Langley, the United kingdom.

Part of HANWHA SOLUTIONS CORP., RES Mediterranee SAS is a French company that generates renewable energy. The company is based in Avignon, France. RES Mediterranee was acquired by HANWHA SOLUTIONS CORP. from Renewable Energy Systems Holdings Ltd. on October 28, 2021 for $857.23 million.