
With activity on infrastructure, commercial real estate, and renewable energy projects, Advokatfirmaet Thommessen AS is well-equipped to act on all phases of construction projects. Department head Jacob F Bull chiefly focuses on offshore and onshore projects within the renewables, oil and gas, real estate, and infrastructure space. Henrik Fabian Torgrimsby acts on supply contracts in renewable energy projects, and Henrik Møinichen handles litigation and arbitration within this space. Ellen Karina Sødal Marstad and Alexander Stulien act on infrastructure, real estate, and renewable energy projects.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- ‘In my opinion, this is the broadest team in Norway, at least, to support the renewables business. Whether it is regarding technology, permits, landowners, HSE, or company-related stuff team at Thommessen has it covered with great expertise and with the highest relevance to the client.'
- ‘Henrik Fabian Torgrimsby is just a true star, always professional and willing to support in any way. His personal style makes it a great experience working together.’
- ‘The team stands out for its exceptional professionalism, legal expertise, and pragmatic approach. They have shown outstanding ability to systematise and extract the essence of complex information, especially given our company's limited internal capacity to consolidate documentation. Their initiative and structure have been key in building a strong, coherent case.’
- ‘Lawyers Henrik Møinichen and Alexander Stulien stand out for delivering legal advice of exceptionally high quality, combined with a modern and strategic approach to negotiations. They demonstrate a strong awareness of negotiation methodology and have contributed to reducing the level of conflict between parties, facilitating continued collaboration.’
- ‘Jacob F. Bull has top-of-the-class knowledge and respect in the business.'
- ‘Thommessen is unmatched when it comes to project advisory in large construction projects. The team also has top-notch capabilities for handling disputes.’
Key clients
- The Norwegian Public Road Administration
- Statens Vegvesen
- Bane NOR SF
- Vestland Fylkeskommune
- The Norwegian Coastal Administration
- Heidelberg Materials
- Oslo Atrium AS
- Mustad Eiendom AS
- Østfold Energi AS
- Skagerak Kraft AS
- Hydrogen Solutions AS
Lawyers
Leading Partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Leading Associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Jacob F. Bull
Other key lawyers
Henrik Fabian Torgrimsby; Henrik Møinichen; Ellen Karina Sødal Marstad; Alexander Stulien
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