Company lists · Data verified August 2026

Top 25 Law firms based in Norway

Name: 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 355 companies tracked

This directory lists 355 law firms based in Norway, with 5,666 professional contacts and 1,731 email addresses. As of August 2026, Oslo is the single most-represented city among the companies listed.

Law firms are professional service organizations that provide legal advice, representation, and related services through licensed attorneys. This list covers companies that provide legal advice, legal representation, or related legal services through licensed attorneys. Ranked by team size, largest first. Data current as of August 28, 2026.

355Companies

5,666Contacts tracked

1,731Verified emails

241Mobile numbers

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The 25 largest law firms based in Norway

Ranked by team size

Top 25 of 355 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 Bahr AS	n/a	201-500	226	54
6	Advokatfirmaet Selmer AS	Oslo	51-200	211	150
7	KVALE	Oslo	51-200	137	62
8	Advokatfirmaet Hjort	Oslo	51-200	132	17
9	Elden Advokatfirma AS	Oslo	51-200	120	62
10	Ræder Bing Advokatfirma AS	Oslo	51-200	95	1
11	Brækhus Advokatfirma	Oslo	51-200	88	46
12	Advokatfirmaet Føyen AS	Oslo	51-200	79	48
13	Advokatfirmaet CLP DA	Oslo	11-50	65	40
14	Harris Advokatfirma AS	Stryn	51-200	57	11
15	Bryn Aarflot	Oslo	51-200	53	32
16	Tenden Advokatfirma ANS	Tonsberg	51-200	53	14
17	Codex Advokat Oslo AS	Oslo	51-200	48	24
18	Svensson Nøkleby Advokatfirma ANS	n/a	11-50	42	9
19	Advokatfirmaet Halvorsen & CO AS	Lillestrom	11-50	37	2
20	Arntzen DE Besche	Oslo	51-200	35	23
21	Bjerkan Stav Advokatfirma AS	Namsos	11-50	33	17
22	Advokatfirmaet Legalis AS	Oslo	11-50	32	17
23	Magnus Legal	n/a	11-50	30	11
24	Aurlien Vordahl & CO Advokatfirma AS	Oslo	11-50	29	13
25	Advokatfirmaet Øverbø Gjørtz AS	Kristiansund	11-50	28	5

Showing 25 of 355 law firms based in Norway

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Law firms based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 138 HQs

241Contacts with mobile numbers

20Emails re-verified in last 30 days

Companies by employee count

1-10

213

11-50

109

51-200

201-500

Law firms by metro

Metro	Companies
Law firms in Oslo	138
Law firms in Bergen	22
Law firms in Stavanger	14
Law firms in Tromso	11
Law firms in Trondheim	11
Law firms in Alesund	8
Law firms in Kristiansand	7

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 “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; 20 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 law firms are listed based in Norway?

The directory includes 355 law firms based in Norway as of August 2026.

Where are most of the listed law firms located?

Oslo is the single most-represented city among the law firms on the list.

How many contacts and email addresses are available for these law firms?

The list includes 5,666 professional contacts and 1,731 email addresses for the listed law firms.

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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.