Siem Industries S.A. provides offshore energy services, ocean shipping, and financial investments internationally. The company offers offshore energy services, including engineering and underwater construction for the oil industry and offshore wind farm installations for electricity generation, support vessels for offshore activities, and provision of training data to determine the location and size of offshore energy fields. The company also has ocean shipping, such as ocean transportation of automobiles, trucks, and refrigerated fruit and vegetables to clients with long-term service needs; provides lease financing solutions to vessel owners within the industrial shipping sector; and financial investment, including listed and unlisted shares, bonds, financial instruments, and private equity. The company serves energy companies, shipping clients, and industrial vessel owners. Siem Industries S.A. was founded in 1980 and is based in Luxembourg, Luxembourg.