Welcome to Siem Offshore 

Siem Offshore Inc. serves the global oil and gas industry with a modern, environment friendly and technically advanced fleet.

The fleet consists of 50 vessels with focus on low fuel consumption, 15 of these are under construction. The fleet includes large Anchor Handling Tug Supply vessels, Platform Supply Vessels, Multipurpose field & ROV Support Vessel and Offshore Subsea Construction Vessels designed to meet the most challenging environments. The latest addition to the fleet is 2 Well-Intervention Vessels.

Siem Offshore operates all over the world and provides a wide range of services from its vessels, equipment and experienced onshore and offshore personnel. Our main focus is on health, safety, environment and quality.

The Company is listed on the Oslo Stock Exchange.


Platform Supply Vessel for supply functions and cargo transport for the oil industry.

Offshore Subsea Construction Vessels designed to meet the general offshore supply market.

Anchor Handling Tug Supply Vessel, designed for anchor handling, towing and supply functions.


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