Advokatfirmaet Thommessen AS‘s oil and gas group maintains a steady caseload of M&A within the oil services industry, as well as being active on development projects. Christian Hals heads the group and works closely with listed and private entities on transactions within this space. Pål Lieungh is a leading name for domestic companies acting on international projects, and June Snemyr is a key name for CCS projects. Bendik Christoffersen spearheads the renewable energy and infrastructure department, which is increasingly active on matters arising out of the energy transition. Gunnar Martinsen is a seasoned advisor to domestic and foreign power companies on relevant regulatory frameworks. Snorre Valdimarsson is a key point of contact for a number of the firm’s clients.
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Profile
Work Department
Oil Service; Oil and Gas; Dispute Resolution
Position
Mr Lieungh has many years of experience as legal advisor within the offshore, oil & gas and industrial sectors. He also has extensive international experience as an advisor to Norwegian companies dealing with international projects. Mr Lieungh heads the firm's Oil Service practice area.
Career
2002 Partner, Thommessen; 1999-2001Senior Associate, Thommessen; 1997-1999 Head of Kværner's legal offices for North- and South America, General legal advice in the region and head of legal team negotiating the USD 429 mill governmental grant for taking over the shipyard in Philadelphia; 1996-1997 In house counsel, Kværner's legal offices Southeast Asia, Kværner ASA's Hong Kong office; 1994-1996 Lawyer, responsible for offshore construction and oil & gas, Inhouse counsel Kværner ASA Oslo office ; 1993-1994 Deputy Judge, Asker and Bærum District Court; 1989-1994 Attorney at law and litigator, The lawfirm Hauge & Stang Lund; 1989 Penal Code Commission, Secretary
Languages
English
Memberships
Norwegian Bar Association
Education
1991-Law studies, England; 1988-Candidate in Jurisprudence, University of Oslo
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Testimonials
Collated independently by Legal 500 research team.
‘Excellent oversight of all relevant matters, even on truly complex matters. Always available and highly efficient.’
‘Thommessen’s renewable energy team stands out for its exceptional professionalism, deep sector knowledge, and consistent delivery of high-quality legal advice. The team is not only highly responsive and reliable, but also proactive in identifying risks and opportunities, which significantly strengthens our strategic decision-making.’
‘Bendik Christoffersen is a standout partner—highly skilled, commercially sharp, and consistently reliable. His advice is clear, strategic, and always adds value. What sets him apart is his ability to simplify complexity and deliver practical solutions. Working with Bendik and his team is always a smooth and professional experience.’
‘Thommessen's team consists of knowledgeable and service-minded lawyers and specialists. Thommessen's lawyers are very professional, approachable, listen carefully, and provide high-quality advice.’
‘June Snemyr has a deep and wide-ranging knowledge in the energy area, including CCS, offering high-quality legal advice and practical solutions at all times.’
‘Anna Serina Natvik is very knowledgeable, practical, and efficient. She has a unique commercial background, is clear in her communication, always responsive, and has an outstanding ability to explain complex legal matters for her clients. Anna finds practical and effective solutions to complex problems.’‘The team has extensive expertise in electricity and power supply matters in Norway. They have supported us in negotiating supply agreements and grid connection agreements, and most recently represented us in a significant dispute.’
‘Bendik Christoffersen: Unique and excellent competence within the energy sector in Norway, extensive and broad competence of our company, our history, strategy, and our position.’
Key clients
- Green Investment Group Vergia AS/Swiss Life Asset Managers Eidsiva Energi AS Lyse AS / Lyse Energi AS Nordkraft AS Haugaland Kraft AS Tonstad Vindpark AS Zephyr AS Haram Kraft AS Lutelandet Energipark AS Glitre Energi AS/Å Energi AS Vardar AS Sira-Kvina Kraftselskap Småkraft AS Tysvær Vindpark AS Østfold Energi AS Yve AS (incl Kraftriket AS and Polar Kraft AS) HitecVision Østfold Energi AS Epex Spot Encavis AG Aker BP ASA Northern Lights JV DA Deep Wind Offshore AS Holmaneset H2 AS (Fortescue Future Industries International Pty Ltd.) PolarDC Services Ltd. Cadre AS SWEN Capital Partners InfraVia Capital Partners Fu-Gen AG Solgrid AS Scatec ASA Endra AS Havfram AS Cloudberry ASA Sunday Power AS Fenix Repower AS Otovo ASA Endra AS Aneo AS Eviny AS Elmera Group ASA Bain Capital Vireo BP International Equinor Kongsberg Gruppen Seadrill DOF Group Island Offshore Island Drilling Company Vard Group AS Odfjell Drilling Transocean Shelf Drilling BW Offshore Wellesley Petroleum HAV Group ASA TTC Norge DNV GL AS Nymo BW Energy Japex Norge AS Longboat Energy plc Harbour Energy DNO ASA Hav Energy AS Autentik AS Petoro AS Northern Lights JV DA TotalEnergies E&P Norge AS Optime Subsea AS ECOnnect Energy AS OMV Norge Azane Fuel Solutions AS Kabal AS Ventura Offshore Holding Ltd. Sar Group Marine Aluminium AS Worley Rosenberg
Work highlights
Advised Lyse Produksjon AS on the acquisition of Egersund wind farm from Luxcara, marking the start of the Lyse Group's strategic step into owning, operating and developing onshore wind power.