Company lists · Data verified August 2026
Top 22 Energy law firms based in Norway
There are 35 energy law firms headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 738 professional contacts across them, including 243 with verified work emails and 23 with mobile numbers. Oslo is the largest hub.
This list covers energy law firms headquartered in Norway, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.
The 22 largest energy law firms based in Norway
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  Wiersholm | 145 |
| 2 |  Advokatfirmaet Hjort | 17 |
| 3 |  Advokatfirmaet Dehn | 18 |
| 4 |  AGP Advokater | 18 |
| 5 |  Advokatfirmaet Lund & CO DA | 6 |
| 6 |  Dæhlin Sand Advokatfirma | 8 |
| 7 | Wahl-Larsen Advokatfirma AS | 10 |
| 8 |  Advokatfirmaet Mageli DA | 1 |
| 9 |  Hoffmann Thinn | 2 |
| 10 | BULL | 2 |
| 11 |  Bjørnsen Advokatfirma | 3 |
| 12 |  Advokatfirmaet Rekve, Pleym & CO DA | 1 |
| 13 |  Advokatfirmaet Kjær DA | 1 |
| 14 |  Advokatfirma Lunde Robertsen AS | 2 |
| 15 |  Hjelseth Advokatfirma | 2 |
| 16 | Saag Advokatfirma AS | 1 |
| 17 |  Riid Advokatfirma AS | 1 |
| 18 |  1,5 Advokatfirma AS | 1 |
| 19 | Advokatfirmaet Judicia DA | 1 |
| 20 |  Advokatfirmaet Kolbjørnsen Cyvin AS | 1 |
| 21 |  Birk Advokatfirma AS | 1 |
| 22 |  Bauta Advokatfirma AS | 1 |
Showing 22 of 35 energy law firms based in Norway
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Energy law firms based in Norway at a glance
As of Aug 28, 2026Companies by employee count
Energy law firms by metro
| Metro | Companies |
|---|---|
| Energy law firms in Oslo | 14 |
| Energy law firms in Alesund | 3 |
| Energy law firms in Bergen | 2 |
| Energy law firms in Trondheim | 2 |
| Energy law firms in Moss | 1 |
| Energy law firms in Koppang | 1 |
| Energy law firms in Stavanger | 1 |
How this list was built
- Source
- The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
- Inclusion
- Companies whose own business descriptions match “energy law firms”, with match quality audited by blind human judging, and headquartered in Norway.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
- Refresh
- Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.
Frequently asked
How many energy law firms are there based in Norway?
There are 35 energy law firms headquartered in Norway as of August 2026 (RevenueBase).
What is the largest company on this list?
Wiersholm, headquartered in Oslo, tops this list with the largest team on record.
Which city has the most energy law firms?
Oslo leads with 14 headquartered companies, followed by Alesund (3) and Bergen (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 243 verified decision-maker contacts tracked across these 35 companies.
How current is this list?
The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.
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About this data
RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.