Company lists · Data refreshed September 2026
Top 25 Legal consulting firms based in Norway
RevenueBase identified 138 legal consulting firms headquartered in Norway as of September 2026 and tracks 2,249 professional contacts across them, including 771 with verified work emails and 86 with mobile numbers. Oslo is the largest hub.
This list covers legal consulting firms headquartered in Norway, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 4, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest legal consulting firms based in Norway
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 340 | ||||
“The roots of Advokatfirmaet Wiersholm extend back to 1875.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 2 | 235 | ||||
“Haavind is one of Norway’s leading law firms.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 3 | 232 | ||||
“Simonsen Vogt Wiig’s 180 lawyers assist national and international clients from offices in Oslo, Bergen, Trondheim, Stavanger, Kristiansand, Tromsø and Singapore.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 4 | 132 | ||||
“We assist our clients with advice and procedural assignments in all key areas of law.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 5 | 120 | ||||
“Law firm based in Oslo, Norway with branch offices in Bergen, Sandefjord, Stavanger, Gol, Haugesund, Tromsø and Hamar.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 6 | 57 | ||||
“Advokatfirmaet Harris ble etablert i 1924 og var opprinnelig engasjert i alle typer oppdrag innenfor fast eiendom, herunder ekspropriasjon, hvor Harris representerte…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | 48 | ||||
“Codex Law Firm provides general legal services and is a trusted partner for all legal issues.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 8 | 44 | ||||
“I over 100 år har Haver Advokatfirma vært en trygg juridisk partner for næringslivet.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 9 | 41 | ||||
“Dalan Law firm was founded in 1992 following a merger between the firms Dalan, Sigmond and Swang (founded in 1876) and the lawyers Lous, Hagemann, Arff-Pettersen and Løken…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | 32 | ||||
“Advokatfirmaet Legalis AS bistår privatpersoner innen alle sivile rettsområder, blant annet arv, skifte, familierett, fast eiendom, kjøpsrett og trygderett.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 11 | 27 | ||||
“Advokatfirmaet Dehn har kompetanse og erfaring på de fleste rettsområder, og bistår både virksomheter, privatpersoner og det offentlige.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 12 | 27 | ||||
“BERNGAARD is a law firm in Oslo with vast expertise in construction law, technology and media, and public procurement.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 13 | 24 | ||||
“Inclusive, updated and dedicated.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | 23 | ||||
“Advokatfirmaet Rogstad ble stiftet i 2014 og leverer juridiske tjenester til privatpersoner og bedrifter.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 15 | 22 | ||||
“Since 1986, SGB has assisted small and medium-sized businesses, public authorities and private clients with pointed, legal advice within our core areas.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 16 | 19 | ||||
“Advokatfirmaet Molteberg Nilsen AS er et fullservice advokatfirma som holder til i flotte kontorer sentralt på Majorstuen.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 17 | Law.No Advokatfirma ASIndirect evidence | 18 | |||
“I en bransje gjennomsyret av tradisjon velger vi vår egen vei.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 18 | 18 | ||||
“Varder er et samarbeid mellom Advokatfirmaet Hulaas og HCA Revisjon & Rådgivning.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 19 | 16 | ||||
“Om oss Advokatfirmaet Bratlien AS ble etablert sommeren 2018 av Ole Magnus Strømmen og Øyvind Bratlien.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 20 | Wahl-Larsen Advokatfirma ASIndirect evidence | 13 | |||
“Wahl-Larsen Advokatfirma AS is a law firm centrally situated in Oslo, founded in 1874.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 21 | 13 | ||||
“Advokatfirmaet Mageli har kontorer i Hamar, Lillestrøm og Oslo.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 22 | 12 | ||||
“Advokatfirmaet Østgård DA offers legal advice, mainly to small and medium sized businesses and public sector in Nothern Norway.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 23 | 11 | ||||
“Advokatfirmaet Tollefsen starta i 1990 som eit enkeltmannsforetak i kontorfellesskap med 2 andre advokatar.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 24 | 10 | ||||
“Advokatfirmaet Robertsen er et moderne advokatfirma med solid bakgrunn og historie.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 25 | Advokatfirmaet Lærum, Lier, Stende & BervenIndirect evidence | 9 | |||
“Forhandlinger.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 138 legal consulting firms based in Norway
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Legal consulting firms based in Norway at a glance
As of Sep 4, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among legal consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Norway whose own description of what they do matches “legal consulting firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among legal consulting firms, and records with no verified work email. Companies headquartered outside Norway are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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
- Every listed company carries at least one verified work email, 771 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 4, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Legal consulting firms by metro
- Legal consulting firms in Oslo55
Frequently asked
How many legal consulting firms are there based in Norway?
RevenueBase identified 138 legal consulting firms headquartered in Norway as of September 2026, matched on each company's own description of what it does rather than its industry code.
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 legal consulting firms?
Oslo leads with 55 headquartered companies, followed by Bergen (6) and Stavanger (6).
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 771 verified decision-maker contacts tracked across these 138 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.