The story
Arntzen de Besche was founded in 2001 through a merger of the law firms Arntzen, Underland & Co, and de Besche & Co, while the firm's origins go back to 1870.
From Wikipedia’s article on Arntzen de Besche, shared under CC BY-SA 4.0.4
Private company
Arntzen Grette
Logo: ThomasKarlsenAdeB, CC BY-SA 4.0, via Wikimedia Commons3
Norwegian business law firm
Arntzen de Besche Advokatfirma AS is a Norwegian business law firm employing more than 130 lawyers. The firm serves Norwegian and international clients within the private and public sectors. Arntzen de Besche provides services in all areas of corporate law: EU and competition law, labor law, real estate, mergers and acquisitions and capital markets, petroleum law, tax law, company law, contract law, and litigation.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
2025Founded1
- Industrylaw firm1
- HeadquartersOslo1
- Websitewww.adeb.no
- Legal formaksjeselskap1
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Arntzen de Besche Advokatfirma AS is a Norwegian business law firm employing more than 130 lawyers. The firm serves Norwegian and international clients within the private and public sectors. Arntzen de Besche provides services in all areas of corporate law: EU and competition law, labor law, real estate, mergers and acquisitions and capital markets, petroleum law, tax law, company law, contract law, and litigation.2
Acquisitions
- Succeeded Grette Law Firm1
Employees over time
- 20261811
Timeline
- 2025Founded Founded1
Links
- Websitewww.adeb.no1
- Instagramwww.instagram.com/arntzendebesche1
- WikipediaArntzen de Besche
- WikidataQ4795425
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataArntzen Grette on Wikidata
- 2WikipediaArntzen Grette on Wikipedia
- 3Wikimedia CommonsArntzen Grette logo by ThomasKarlsenAdeB, CC BY-SA 4.0
- 4