Welcome to Siem Offshore 

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

The fleet consists of 45 vessels including 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 from Norway (Kristiansand), and has offices in Brazil (Rio de Janeiro, Macaé and Aracaju), Germany (Leer), The Netherlands (Groningen), Poland (Gdynia), USA (Houston), Ghana (Accra), Canada (St. John''s and Dartmouth),  and Australia (Perth). 

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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