Advokatfirmaet Thommessen AS has ‘high legal competence in the tax field’ and advises on all tax issues, with a focus on litigation, equity and debt capital markets work, joint ventures and fund establishments; the team also has particular expertise in the real estate, renewables, oil and gas, and shipping sectors. Leading the practice, Marius Holm Rynning focuses on Norwegian and international tax issues, while the ‘excellent’ Finn Backer-Grøndahl is an experienced litigator who represents Norwegian and foreign clients in tax disputes with Norwegian authorities, and Ståle R Kristiansen has extensive experience in a broad range of domestic and international tax issues, including advising on the Norwegian Petroleum Tax regime. The group also includes international shipping tax expert Espen Ommedal and indirect tax specialist Bjørn Christian Lilletvedt Tovsen.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Very good in VAT. Professional lawyers with good business knowledge and understanding.’

  • ‘They treat the customer in a respectful manner, see the needs and understand the customer's business.’

  • ‘They have high legal competence in the tax field. You know you will receive high-quality responses and advice. ’

  • ‘Finn Backer-Grøndahl is an excellent lawyer. His knowledge, personality and his ability to go deep into the case is outstanding.'

Key clients

  • Fresenius Kabi
  • Equinor
  • Statkraft
  • TGS NOPEC Geophysical Company ASA
  • Alcoa Corporation Inc
  • Storebrand
  • DNB
  • Odfjell SE
  • Sølvtrans AS
  • Intership AS
  • Westfal Larsen AS/ Masterbulk Pte Ltd.
  • Knutsen NYK Offshore Partners LP
  • GE Healthcare
  • PGNIG Upstream Norway AS
  • Elkem ASA

Work highlights

  • Assisted Sandwater AS in connection with its successful (up to NOK1.5m) fund raise.
  • Represented PGNiG Upstream Norway AS in a transfer pricing dispute regarding the pricing of gas in gas sales contracts between PGNiG group companies.
  • Provided support to Knutsen LNG AS in a French tax lease and the establishment of French shipowning structure.

Lawyers

Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head

The lawyer(s) leading their teams.

Marius Holm Rynning

Other key lawyers

Finn Backer-Grøndahl, Ståle R Kristiansen, Espen Ommedal, Bjørn Christian Lilletvedt Tovsen