Associated Companies

Ownership in vessel owning companies and technology based companies that provide services on a global basis

Siem Offshore do Brasil S.A.

"Brazilian Shipping Company"

The Company’s subsidiary Siem Offshore do Brasil S.A. is an owner and operator of Offshore Support Vessels (Large Supply Vessels, Oil Spill Recovery Vessels, Fast Supply Vessels and Fast Crew Vessels) in the Brazilian market. Siem Offshore do Brasil's head office is located in Rio de Janeiro in addition to bases located in Aracaju-SE and Macaé-RJ. Established in Brazil since 1981, Siem Offshore do Brasil has a large background and focus in the Offshore Support Vessel operations.

With a team composed of highly qualified and committed professionals, and with a modern fleet, Siem Offshore group is able to provide safe and cost-effective solutions in the offshore support activity to Oil and Engineering companies in Brazil and South America.



Siem WIS AS 

........ Safe, Predictable and Efficient.

Siem WIS AS is 60% owned by Siem Offshore Inc., and provides products, services and high-end technology for Managed Pressure Drilling (MPD) and Underbalanced Operations (UBO). The Siem WIS' Pressure Control Device (PCD), with its unique and patented sealing solution, represents the future of control heads for MPD/UBO operations where seal conditions and well integrity are monitored in real time.

The Siem WIS PCD multi--seal barrier allows challenging drilling operations to proceed in a safe, predictable and efficient manner. The PCD system is currently in operation in the North Sea. Please contact Siem WIS for further information regarding availability and how the PCD could provide safety, predictability and efficiency to your MPD operation. 

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Siem Offshore Contractors (SOC)

Siem Offshore Contractors (SOC) is an experienced submarine cable and umbilical installation, repair and maintenance contractor serving the worldwide offshore oil and gas as well as renewable energy industries. 

SOC, a German company with its head office situated in the City of Leer, was formed in 2003. SOC has gained great experience in providing its service to the demanding worldwide offshore oil and gas industry, meeting the highest industry standards for quality, health, safety and environmental protection.

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