

Advokatfirmaet Thommessen AS
Client SatisfactionAdvokatfirmaet Thommessen AS leverages its cross-practice strength to provide a full-service fishing and aquaculture offering, singled out for its ability to handle both contentious and non-contentious matters. ‘Dedicated and well-connected in the industry’, Mons Alfred Paulsen heads the practice and offers a wealth of experience advising clients on industry-related corporate, tax and M&A matters. Rune Ulriksen Steinsland is a key contact for contracts, while Trond Hatland is the name to note for litigation. With broad experience across transactional and operational issues, Lisa Marie Opdahl, formerly at BAHR, joined the team in July 2024.
Testimonials
Collated independently by Legal 500 research team.
‘We are highly satisfied with the law firm's expertise and precise execution of their services. Their professionalism and meticulous attention to detail have consistently exceeded our expectations.’
‘Mr Mons Alfred Paulsen has the experience and expertise necessary in an industry subject to strict and complex regulation. He has high integrity and a solution-oriented focus.’
‘The partner that we work with, Rune Steinsland, has all the values important in delivering quality to us, something he does consequently: experience, a quick head, pragmatism, solution-oriented and fast.’
‘Effective and competent services, teams are set up across professions. A good discussion partner, to discuss reasonable and "creative" solutions - even when things are challenging.’
‘The people quickly understand and relate to the problems involved, and can discuss the right things to determine all relevant aspects on the table. Relaxed and easy to talk to, not only comfortable when discussing legal issues.’
‘Competent and likeable. Up to date on new regulations and implications for customers. Commercially oriented and complimentary skill set.’
‘Mons Paulsen is dedicated and well-connected in the industry. Experienced and great understanding of the industry value chain. Knowledgeable and solution-oriented. Rune Ulrichsen Stensland is a proactive and commercially oriented legal advisor. Strong M&A capabilities coupled with industry interest and understanding’
‘Mons Alfred Paulsen always comes across as solution-driven and has a great understanding of the industry and the various stakeholders both from a transactional perspective and a regulatory perspective. Rune Ulriksen Steinsland has extensive experience in the seafood industry and has advised us in transaction-related matters as well as construction and shipbuilding-related matters.’
Key clients
- Firda Seafood Group AS
- Måsøval AS
- Pelagia AS
- AS Bolaks
- Kobbevik og Furuholmen Oppdrett AS
- Endúr Sjøsterk AS
- Lingalaks AS
- Frøy AS
- Blom Fiskeoppdrett AS
- Austevoll Melaks AS
- Skretting AS
- Troland Lakseoppdrett AS
- BioMar AS
- Nordfjord Laks AS
- DNB Bank ASA
- Isqueen AS
- PO 3/4 Kunnskapsinkubator
- MSD Animal Health
- EWOS/Cargill
- NCE Seafood/The Seafood Innovation Cluster
- Nordea Bank
- Hav Line Gruppen AS
- Austevoll Seafood ASA
- Br Birkeland AS
- Salmones Camanchaca
- Polarsmolt AS
- Sande Settefisk AS
- Samlaks AS
- Proximar Seafood AS
- Kaldvik
- Intervet International BV
Work highlights
- Representing 22 fish farmers in a group action against the Norwegian Government to reopen the "Traffic Light Judgment" of 2022.
- Assisted Måsøval AS in an appeal case against the Norwegian government following an incorrect diagnosis of fish disease and a subsequent incorrect order to slaughter up to 1 million salmon.
- Assisted Br Birkeland AS, a subsidiary of Austevoll Seafood ASA, in the sale of two fishing companies with their associated fishing permits and fishing vessels.
Lawyers

Practice head
The lawyer(s) leading their teams.
Mons Alfred Paulsen