Global Guide 2026 : Norway
Ranked Individuals
Provided by Arntzen Grette
Arntzen Grette is a leading Norwegian M&A adviser, handling the full range of transactional work, including public and private acquisitions, mergers and demergers, joint ventures, reorganisations, and divestments. The team combines strong transactional capability with deep sector knowledge, particularly within energy and technology.
We act for Norwegian and international corporates, private equity funds, investment firms, and major industry players. The team is recognised for navigating complex regulatory environments and structuring transactions that balance innovation, compliance, and commercial value.
Recent work includes major transactions in both traditional oil and gas and the rapidly expanding renewables sector. We have extensive experience with large-scale acquisitions, cross-border investments, and restructurings involving intricate regulatory frameworks and project financing.
Our interdisciplinary approach is a key strength. M&A specialists collaborate closely with experts in capital markets, competition, tax, financing, employment, and dispute resolution to ensure each transaction is managed strategically and efficiently.
We are known for maintaining deal momentum, identifying and mitigating risks early, and delivering pragmatic, value-driven advice. The team also advises private equity clients on portfolio transactions, fund structures, and exits, offering balanced insight from both buy- and sell-side mandates.
Provided by Chambers
Arntzen Grette advises a broad client base of energy and aquaculture companies and private equity houses on corporate and M&A matters, including cross-border deals. The law firm handles acquisitions and investments as well as joint ventures and reorganisations. It also assists with ECM mandates such as rights issues and private placements.
Provided by Chambers
Arntzen Grette assisted SAExploration Holdings with its acquisition of inApril from inApril Holding.
Provided by Chambers
The law firm delivers quick turnarounds and responses.
They have spent time getting to know us as a business. They are proactive and able to react quickly.
The team is very skilled, solution-oriented and always available.
The lawyers are flexible, fast and commercial.
The team is pragmatic, solution-oriented and always very reachable.
Provided by Chambers
His advice is consistently well reasoned and business-oriented.
He brings a calm and confident presence to complex transactions, with a strong ability to distil key issues and propose practical solutions.
Per is really skilled and dedicated.
Per is an experienced and polished lawyer.
Knut Martinsen advises clients in the technology and automotive industries on cross-border transactions across the Nordic region.
He is a very skilled lawyer with a very business-focused mindset.
Knut is sharp, experienced and knowledgeable in his field.
Working with Knut is a pleasure and a very seamless experience.
Maria Tanemsmo acts for private companies and state-owned entities on a variety of acquisitions and divestments.
She is very direct, easy-going and very knowledgeable in capital raising. She is responsive, works hard and is very attentive to the details.
She's nice to work with.
Maria Tanemsmo is very skilled and responsive.
Maria Tanemsmo provides extraordinary legal advice and shows exceptional responsiveness. She is highly reliable.
Roland Mörsdorf of Grette is qualified to practise in both Norway and Germany and advises on a range of M&A mandates involving the two jurisdictions, including joint ventures.
Corporate/M&A
Corporate/M&A
Corporate/M&A
Corporate/M&A
Provided by Arntzen Grette
Jens Baumann Melberg
Lars Horgen Hinze
Steffen G. Rogstad
André Michaelsen
Maria B. Tanemsmo
View profile of Maria B. TanemsmoPer A Dagslet
View profile of Per A DagsletKnut Martinsen
View profile of Knut MartinsenRoland Mörsdorf
View profile of Roland Mörsdorf
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