Simon David Ellis

Part of Subsea 7 SA, Subsea 7 West Africa Contracting Ltd. provides subsea installation services to the offshore oil and gas industry. The company is based in Sutton, UK.

Subsea 7 Ltd. provides engineering and consulting services. The firm offers construction contracting services for offshore oil and gas developments. It has offshore operations in the United Kingdom, Norway, Middle East, West Africa, Singapore, Australia, Brazil, and the Caspian regions. Subsea is headquartered in Aberdeen, UK.

Part of Subsea 7 SA, Subsea 7 Offshore Resources (UK) Ltd. is a British company that provides shipping support services. The company is based in Sutton, UK and was founded in 2011.

Part of Subsea 7 SA, Subsea 7 Crewing Ltd. is a subsea engineering, construction, and British services company catering to the offshore energy industry. Founded in 1973, the company is based in Sutton, UK. The company's primary focus is on providing subsea engineering, construction, and services to the offshore energy industry.

Part of Subsea 7 SA, Subsea 7 International Contracting Ltd. is a British company that operates vessels and provides project management and subsea installation services. The company is based in Sutton, UK and was founded in 1995.

Part of Subsea 7 SA, Class 3 (UK) Ltd. is a British company that provides vessel services. The company is based in Salisbury, UK. Class 3 (UK was founded in 2013.