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Oil service

As a supplier on the Norwegian continental shelf, the oil services industry has made a major contribution to the Norwegian oil boom. The Norwegian oil services industry is now a world leader and a major supplier to the international oil and gas industry.

Thommessen has been assisting oil services clients for decades and provides the full range of legal services in this field. We advise clients throughout the value chain and in all phases – from idea to delivery, or from start-up to IPO.

Our lawyers have in-depth industry knowledge and extensive international experience. By combining commercial and technical knowledge with first-class legal expertise, we provide industry players with sound, practical and effective advice.

Always switched on and up to date on industry matters. Client
Legal 500, 2024


  • 2024 Tier 1 Oil and gas Legal 500
  • 2024 Tier 1 Offshore construction and shipbuilding Legal 500
  • 2024 Ranked Energy: Oil and gas Chambers & Partners
  • 2023 2nd place Offshore Prospera

The team