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At Arntzen Grette, we focus on delivering results and managing risk. When you are facing major decisions or complex challenges, we provide clear advice and practical solutions. Our approach is built on three principles: understand, clarify and execute. It's about turning insight into action.

Our expertise

At Arntzen Grette, we bring together some of Norway’s brightest legal minds. We are looking for colleagues who share our passion for the law and who want to work with leading companies in Norway. Here, you will have the chance to work alongside top professionals, learn from experienced experts and grow in a dynamic, intellectually rigorous environment.

We value ambition, hard work and curiosity – while believing that collaboration and trust are the foundation for growth.

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24 November 2025

Nordlaks’ new ‘Storbåtsegget’ facility arrives in Vesterålen

We have advised Nordlaks on the development, construction and commissioning of its new offshore tank, Storbåtsegget. This is Nordlaks’ first semi-closed aquaculture facility, which has now arrived in Vesterålen after a three-week voyage from the shipyard in Turkey.

19 November 2025

Climate Litigation II – Judgment from the Borgarting Court of Appeal

The Court of Appeal’s judgment in the climate case against the State requires the PDO approvals for three major North Sea fields to be reconsidered due to inadequate climate impact assessments. Although the developments are not temporarily suspended, the judgment clarifies key requirements for the assessment of combustion emissions under Norwegian law, EEA law and the ECHR.

12 October 2025

We are Arntzen Grette

Arntzen de Besche and Grette have merged. As a new firm, we stand even stronger – with broader expertise, more perspectives, and greater capacity to deliver results for our clients.

10 October 2025

KPMG divests part of its business to Cedra

We are proud to have advised KPMG Norge on the sale of part of its business to the newly established audit firm Cedra Norge (backed by Adelis Equity). The agreement covers ten offices primarily providing audit and advisory services to small and medium-sized clients, with around 220 employees transferring to Cedra.

8 October 2025

The new EU Pay Transparency Directive – is your business ready?

The gender pay gap in the EU remains at around 13–14%, with little progress over the past decade. In Norway, the gap is approximately 12%, and the differences become even more pronounced when looking at overall income and pension accrual. According to the EU, a large reason for this persistence is the lack of pay transparency: without insight into how salaries are determined, employees cannot easily detect or challenge unfair differences.

18 September 2025

Falk becomes part of Nordic fund services group GOT YOUR BACK

We are pleased to have advised Falk (and Flakeblikk Holding) in connection with its sale to GOT YOUR BACK (GYB), a Nordic provider of fund administration, compliance and corporate services. The transaction marks GYB’s entry into the Norwegian market and creates one of the largest independent providers of fund administration and compliance services to alternative investment funds and UCITS managers in the Nordics.

19 February 2025

Adaptive AS joins Visma

Adaptive AS has entered into an agreement to be acquired by Visma, a leading provider of business-critical solutions for the property sector. We are proud to have advised Adaptive as legal counsel in this transaction.

13 February 2025

Orkla sells all shares in Pierre Robert Group

We have assisted Orkla ASA in the sale of 100% of the shares in Pierre Robert Group AS to Jotunfjell. The transaction is expected to be completed during the first quarter of 2025, subject to approval by the Norwegian Competition Authority.

21 October 2024

Castik Capital acquires majority stake in Aider

The European private equity fund Castik Capital has acquired a majority stake in the Norwegian accounting and consulting firm Aider. More than 160 employees will retain a collective 45 per cent ownership stake. We are proud to have assisted Castik Capital as legal advisors in this transaction.