Advokatfirmaet Arntzen
Norwegian law firm advising businesses on energy, corporate transactions, and compliance from Oslo
Highlights
- New on EvolcAdded 2026-10-27
About Advokatfirmaet Arntzen
Arntzen Grette is a Norwegian law firm that provides legal advice and practical solutions on major business decisions and complex challenges. Its stated practice areas include energy, corporate transactions, governance, risk management, financial crime, data protection and cyber security, ESG, anti-money laundering, and sanctions and export control.
The firm advises companies in Norway, including energy producers, investment firms, and audit and advisory businesses. Recent matters listed on its site include sell-side advice on North Sea interests and a majority stake acquisition in a Norwegian company. The firm was formed by the merger of Arntzen de Besche and Grette, announced in October 2025.
The firm was founded in 2000 and is headquartered in Oslo, with four offices. It reports 245 employees, including 185 lawyers. Its three-year associate development programme, the Arntzen Grette Academy, is open to new lawyers.
Product: Legal advisory services for corporate, energy, and compliance matters
Public tenders won
6 tenders won since 1 Jan 2024 from 6 public buyers in Norway, worth 88.0M NOK as awarded. From EU award notices (TED) that name Advokatfirmaet Arntzen by its registry number.
- 21 Jul 2026 NORGES BANK · Legal Services - Contract Award notice
- 30 Jun 2026 Eksportfinansiering Norge · Lawyer services, framework agreement notice
- 19 May 2026 INNOVASJON NORGE · Framework agreement for legal assistance in connection with: establishment of loan agreements under the Scheme Green Industrial Financing (GIF) notice
- 12 Feb 2025 Direktoratet for forvaltning og økonomistyring · Open tender contest - procurement of framework agreements for legal services · 70.0M NOK notice
- 27 Nov 2024 The Oslo School of Architecture and Design · LEGAL SERVICES (Employment law and restructuring process) · 3.0M NOK notice
- 3 Sep 2024 Tolletaten · The purchase of lawyer services to the Norwegian Customs. · 15.0M NOK notice
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