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The modern law firm with a proud history

Arntzen de Besche has been a critical player in shaping the laws in Norway since 1870. We are proud of our heritage, yet our ability to demonstrate agile mindedness in our practice allows us to be one of the leading law firms in the country.

With locations around Oslo, Stavanger and Trondheim and a team of 140 specialists across different sectors, we provide our clients with an integrated, proactive approach to their legal and business needs.

Our vision is to be our customer's best advisor
179 unique individuals - leading together
Climate-neutral since 2019
About us

Join us

We are an inclusive law firm with an ethos focussed on teamwork and producing academic quality work.

We aim to assist you to become a skilled business lawyer. We will provide you with a challenging environment to become proficient while facilitating you to grow into your role and thrive professionally and socially.

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Broad professional environment adapted to your industry

With experience in most industries, we provide our clients with superb legal knowledge and wisdom, showing deep business and industry understanding in all areas of business law. That means that you get the most outstanding team to help you across practice areas.

Our clients range from large internationally listed companies, financial institutions, governments and organisations to small businesses. Our expertise allows us to resolve complex disputes, assist on transactions and provide short- and long-term strategic advice by providing an integrated and proactive approach to your needs. We see the possibilities and take you where you want to go.

We see the possibilities and take you where you want to go.

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21 February 2024

Sennheiser invests in Norwegian scale-up sensiBel

Today, sensiBel, a Norwegian scale-up, announced a significant milestone with the successful closure of their EUR 7 million funding round. The investment was led by Sennheiser, a global leader in professional audio, along with participation from existing shareholders including TRUMPF Venture, Skagerak Capital, Investinor, SINTEF Venture, MP Pensjon, and Halden Kommunale Pensjonskasse. We are proud to have acted as legal advisers to SensiBel throughout this transaction.

19 January 2024

Landmark decision in Oslo: PDO approvals invalidated by court

Greenpeace and Natur og Ungdom, two Norwegian environmental organisations, won their lawsuit against the Norwegian state on Thursday 18 January 2024. Oslo District Court handed down a decision which invalidated the Ministry of Energy’s approval of the Plans for Development and Operations for three oil and gas fields on the NCS. The projects in question are Breidablikk, Tryving and Yggdrasil.

21 September 2023

Ergo acquires Storebrand Health Insurance

We are proud to have assisted ERGO, one of Europe's leading financial conglomerates in insures, with this acquisition. The transaction was signed today and is expected to be completed in the first quarter of 2024, with an estimated positive impact of approximately NOK 1.1 billion on Storebrand's Group results.

8 September 2023

Strise successfully raised USD 10.8 Million

Exciting times for the Norwegian start-up Strise who successfully raised USD 10.8 million. The majority of investments come from Skype founder Niklas Zennström and his London-based venture capital firm, Atomico.

14 April 2023

Frøy Kapital aqcuires 66 percent of OceanTech Innovation

Frøy Kapital becomes a long-term owner of the Trondheim-based technology company OceanTech Innovation, with the aim of further growth both internationally and in new markets. We are proud to have assisted Frøy Kapital as legal advisors in this transaction.

12 April 2023

Maintains strong track record on Legal 500

Reputable rating agency Legal 500 has published its results for the 2023 edition. We consolidate our position as one of Norway's leading law firms and are ranked in 18 out of 20 areas of expertise.

14 April 2023

Frøy Kapital aqcuires 66 percent of OceanTech Innovation

Frøy Kapital becomes a long-term owner of the Trondheim-based technology company OceanTech Innovation, with the aim of further growth both internationally and in new markets. We are proud to have assisted Frøy Kapital as legal advisors in this transaction.
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Values and engagement

We are committed to the environment and sustainability. We are a proud member of the climate network Skift. Together with a number of other business players, we are working on launching concrete measures to help Norway achieve their sustainability goals by 2030.

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