Fielding a ‘very strong and highly competent’ team, Advokatfirmaet Thommessen AS advises an impressive client roster across the aquaculture, renewable energy, oil and gas, telecoms and biotech sectors. Practice head Christian Grüner Sagstad acts for a variety of private equity companies and other clients on M&A and equity capital markets transactions, while Hans Cappelen Arnesen is an M&A specialist who acts for private equity firms and investment banks, and Anders Arnkværn has proven experience in public and private M&A and capital market transactions. Other key names for M&A are Ervin Auren, Baard Bale, Sverre Tyrhaug and Solveig Fagerheim Bugge, while Lars Eirik Gåseide Røsås aptly advises on securities law and corporate law.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘This is the go-to firm for all contracts and commercial negotiations as well as financial industry competence.’

  • 'Anders Arnkværn is a very experienced and skilled negotiator who creates trust between parties.’

  • ‘Solution oriented, flexible and straight forward. Excellent execution and pleasant to cooperate with.’

  • ‘Efficiency, project management and internal cooperation.’

  • ‘Very strong and highly competent team. ’

  • ‘Knowledgeable, experienced and always available.’

  • ‘They have the right resources to get the job done in due course with relevant expertise.’

Key clients

  • Altor Equity Partners
  • Triton Partners
  • Ferd
  • HitecVision
  • Norvestor
  • Storebrand
  • Kongsberg Gruppen
  • EQT
  • DNB
  • Bain Capital
  • Goldman Sachs
  • Det Norske Veritas Holding / DNV GL AS
  • Nordic Capital
  • KLP
  • Odfjell Drilling Ltd.
  • INEOS
  • BW Group
  • Oslo Børs VPS Holding
  • Belships ASA
  • CapMan
  • CBRE Caledon
  • Pioneer Property Group ASA
  • Reiten & Co.
  • Accel Management
  • Mercell Holding
  • Lyse
  • Komplett ASA
  • Accent Equity Partners AB
  • Assemblin AS
  • DSD AS
  • TD Veen AS
  • SpareBank 1 SR-Bank Markets/SpareBank 1 SR-Bank ASA
  • DNO ASA
  • EXP Group AS
  • EMK Capital
  • KLAR Partners
  • Nekkar ASA
  • eBay

Work highlights

  • Assisted the acquirer (the Tinius Trust/Blommenholm Industrier) in connection with the carve-out of the media business of Schibsted and acquisition of such business.
  • Acted for Altor Equity Partners AB on Norwegian law in public takeover of Oslo Stock Exchange listed Meltwater NV by Altor Equity Partners AB and M Marlin Management Co LLC through a jointly owned Dutch Bidco.
  • Advised Goldman Sachs Asset Management on its NOK6.6bn public takeover of Frøy ASA.

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.
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Katinka Ranberg
Advokatfirmaet Thommessen AS
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
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.

Christian Grüner Sagstad

Other key lawyers

Hans Cappelen Arnesen, Anders Arnkværn, Ervin Auren, Baard Bale, Sverre Tyrhaug, Solveig Fagerheim Bugge, Lars Eirik Gåseide Røsås