Advokatfirmaet Thommessen AS attracts praise for its ‘deep industry knowledge’ and routinely advises clients on the full spectrum of regulatory, contractual, M&A, restructuring and contentious mandates. Christian Hals leads the oil and gas team and takes point on M&A and capital markets transactions on the Norwegian Continental Sshelf. Hals works alongside Pål Lieungh and Audun Stornes; Lieungh has an impressive track record advising Norwegian companies undertaking offshore and oil and gas international projects and also handles disputes, while Stornes works with clients in the upstream and oil service sectors, handling contentious mandates. On the renewables front, Bendik Christoffersen oversees a strong group with expertise in project development and structuring, project finance, and expropriation and valuation issues. Gunnar Martinsen is the key contact for regulatory mandates and energy-related litigation, while June Snemyr heads up the renewables team in Stavanger.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

‘Thommessen have some of the best people available to carry out the work.’
'Nice, skilled, broad expertise areas and proactive.'
'Audun Stornes should be mentioned as a very competent and helpful person with great knowledge of the E&P business in Norway.’
‘From my experience with them, Thommessen has strong experience in the energy sector in Norway, and is very well connected to the energy eco-system which is very useful for a foreign investor with limited experience in the country.’
‘I worked with Kai-Ståle Kristiansen who has been very impressive, probably one of the best lawyers I have worked with: very thorough and knowledgeable while being pragmatic and looking for solutions to make deals happen.’
‘Gunnar Martinsen has deep industry knowledge and network combined with law to create practical, feasible solutions.’
‘Unique and broad competence in all relevant legal areas, always available for us as a customer, excellent discussion partner and adviser that helps us find the best solutions growing our businesses and securing compliance in all relevant matters.’

Key clients

Green Investment Group
Akershus Energi AS
Eidsiva Energi AS with subsidiaries
Lyse AS / Lyse Energi AS with subsidiaries
Nordkraft AS with subsidiaries
FREYR AS
Haugaland Kraft AS with subsidiaries
Tonstad Vindpark AS
Zephyr AS
Haram Kraft AS
Lutelandet Energipark AS
Glitre Energi AS/Å Energi AS with subsidiaries
Vardar AS with subsidiaries
Sira-Kvina Kraftselskap
Småkraft AS
Tysvær Vindpark AS
Østfold Energi AS
Yve AS (incl Kraftriket AS and Polar Kraft AS)
Beyonder AS
HitecVision
Epex Spot
Encavis AG
Multiconsult Norge AS
Northern Lights JV DA
Deep Wind Offshore AS
Norway Fortescue Future Industries AS
Cadre AS
SWEN Capital Partners
InfraVia Capital Partners
Fu-Gen AG
Solgrid AS
Scatec ASA
Release Solar AS
Endra AS
Havfram AS
Cloudberry ASA
Vianode AS
BP International
Equinor
Kongsberg Gruppen
Seadrill
DOF
Island Offshore
Island Drilling Company
Vard Group AS
Odfjell Drilling
Transocean
Shelf Drilling
Vår Energi
BW Offshore
Wellesley Petroleum
TGS-Nopec
MOL Norge
Myklebust Verft
TTC Norge
Veolia Environmental
DNV GL
A/S Nymo
BW Energy
Longboat Japex Norge
Longboat Energy plc
LOTOS Exploration and Production Norge
Wintershall Dea Norge
DNO ASA
Hav Energy AS
Wellgrab
Petoro AS
TotalEnergies E&P Norge AS
Optime Subsea AS
ECOnnect Energy AS
OMV Norge

Work highlights

Advised HitecVision in connection with the establishment of Aneo AS, a renewable JV.
Advising Norway Fortescue Future Industries AS in connection with the development of a major hydrogen production facility in Holmaneset (Bremanger, Norway), and in connection with other potential projects relating to the production of green hydrogen and ammonia.
Advised Longboat Energy plc. on the establishment of a joint venture with Japex Corp.

Lawyers

Hall of Fame: Electricity and renewable energy

Gunnar Martinsen

Hall of fameAdvokatfirmaet Thommessen AS

A significant part of Mr Martinsen's work is related to the conditions of the power industry and energy law related litigation. He is ranked as a leading lawyer within his field in national and international rankings. He advises Norwegian and foreign power companies matters concerning energy, water resources and licensing. Mr Martinsen has assisted a number of power companies in connection with acquisitions, disposals, placements, mergers and various restructurings.

Leading individuals: Oil and gas

Christian Hals

Advokatfirmaet Thommessen AS

Partner. Christian works primarily with M&A and securities law within the oil and gas segment. He has broad experience with M&A and equity capital market transactions, and has inter alia assisted several issuers in connection with listings on the Oslo Stock Exchange.

Pål Lieungh

Hall of fameAdvokatfirmaet Thommessen AS

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.

Practice head

The lawyer(s) leading their teams.

Bendik Christoffersen, Christian Hals

Other key lawyers

Pål Lieungh, Gunnar Martinsen, Kai-Ståle Kristiansen, Audun Stornes, June Snemyr

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