
Arntzen Grette fields experts in merger control, investigations and state aid cases, as well as antitrust litigation. Practice head Stein Ove Solberg has notable experience in merger control cases. Ingeborg Maria Gudem‘s far-reaching practice covers merger control notifications, behavioural investigations and strategic compliance, while Vilde Sinding Engan regularly acts for clients across Norwegian and EEA competition law matters. Stuart Stock joined from Wikborg Rein in February 2026; Stock is dual-qualified in Norway and England, enabling him to work on both domestic and international competition cases.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Stein Ove Solberg has a strong reputation among his colleagues and among authorities.'
- 'Very good all-round team within competition law and a pleasure to work with.'
- 'Strong integrity, high quality and in-depth knowledge about our organisation, business and the trade sector.'
- 'Distinguishes itself through a combination of deep regulatory expertise, strategic insight, and a strong commitment to innovation and collaboration.'
- 'Stein Ove Solberg is a remarkable lawyer, he is quick to understand complex matters, provide feasible solutions and is perfect in managing the client's expectations. One of the best competition lawyers I had the pleasure to work with.'
Key clients
- Orkla ASA
- Coca-Cola Europacific Partners
- Norconsult AS
- Business Federation Virke
- Abbott
- AbbVie
- DCC
- TINE SA (leading diary co)
Work highlights
Representing dairy company TINE in its follow-on damages claim against major European truck manufacturers.
Represented Business Federations Virke, NHO and a group of fitness centres in the Bølgen litigation, securing competitors' damages from a beneficiary of unlawful state aid for the first time in Norway.
Secured unconditional phase 1 clearance from the Norwegian Competition Authority for DCC’s acquisition of WEX Europe Services AS.
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
Stein Ove Solberg
Other key lawyers
Svein Terje Tveit; Ingeborg Maria Gudem; Vilde Sinding Engan; Stuart Stock

