Company lists · Data verified August 2026

Top 25 Commercial law firms based in Norway

Name: Commercial law firms based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 234 companies tracked

There are 234 commercial law firms headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 4,154 professional contacts across them, including 1,301 with verified work emails and 164 with mobile numbers. Oslo is the largest hub.

This list covers commercial 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.

234Companies

4,154Contacts tracked

1,301Verified emails

164Mobile numbers

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The 25 largest commercial law firms based in Norway

Ranked by team size

Top 25 of 234 commercial law firms based in Norway, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Thommessen	Bergen	201-500	421	43
2	Wiersholm	Oslo	201-500	340	145
3	Advokatfirmaet Haavind AS	Oslo	201-500	235	160
4	Simonsen Vogt Wiig	Tromso	201-500	232	78
5	Advokatfirmaet Selmer AS	Oslo	51-200	211	150
6	Advokatfirmaet Hjort	Oslo	51-200	132	17
7	Elden Advokatfirma AS	Oslo	51-200	120	62
8	Ræder Bing Advokatfirma AS	Oslo	51-200	95	1
9	Brækhus Advokatfirma	Oslo	51-200	88	46
10	Advokatfirmaet Føyen AS	Oslo	51-200	79	48
11	Harris Advokatfirma AS	Stryn	51-200	57	11
12	Codex Advokat Oslo AS	Oslo	51-200	48	24
13	Haver Advokatfirma AS	Stavanger	11-50	44	23
14	Svensson Nøkleby Advokatfirma ANS	n/a	11-50	42	9
15	Dalan Advokatfirma DA	Oslo	11-50	41	32
16	Advokatfirmaet Halvorsen & CO AS	Lillestrom	11-50	37	2
17	Arntzen DE Besche	Oslo	51-200	35	23
18	Advokatfirmaet Glittertind	Oslo	11-50	34	28
19	Advokatfirmaet Legalis AS	Oslo	11-50	32	17
20	Advokatfirmaet Berngaard AS	Oslo	11-50	27	18
21	Advokatfirmaet Dehn	Sandvika	11-50	27	18
22	Pretor Advokat AS	Trondheim	11-50	25	12
23	AGP Advokater	Oslo	11-50	24	18
24	Riisa Advokatfirma	Oslo	11-50	24	13
25	Advokatfirmaet SGB AS	Oslo	11-50	22	1

Showing 25 of 234 commercial law firms based in Norway

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Commercial law firms based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 102 HQs

164Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

142

11-50

51-200

201-500

Commercial law firms by metro

Metro	Companies
Commercial law firms in Oslo	102
Commercial law firms in Bergen	13
Commercial law firms in Stavanger	10
Commercial law firms in Trondheim	9
Commercial law firms in Tromso	7
Commercial law firms in Alesund	6
Commercial law firms in Kristiansand	5

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 “commercial 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; 5 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 commercial law firms are there based in Norway?

There are 234 commercial law firms headquartered in Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

Thommessen, headquartered in Bergen, tops this list with the largest team on record.

Which city has the most commercial law firms?

Oslo leads with 102 headquartered companies, followed by Bergen (13) and Stavanger (10).

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 1,301 verified decision-maker contacts tracked across these 234 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.