Company lists · Data refreshed September 2026
Top 23 Ad law firms based in Oslo, Norway
RevenueBase identified 38 company matches for ad law firms associated with Oslo, Norway as of September 2026 and tracks 1,296 professional contacts across them, including 535 with verified work emails and 55 with mobile numbers. Across Norway, Oslo is the largest hub for this category.
This list covers company matches for ad law firms associated with Oslo, Norway, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 23, 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 23 largest ad law firms based in Oslo, Norway
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 334 contacts → | ||||
Exact match “The roots of Advokatfirmaet Wiersholm extend back to 1875.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 2 | 132 contacts → | ||||
Exact match “We assist our clients with advice and procedural assignments in all key areas of law.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 3 | 123 contacts → | ||||
Exact match “WAL consists of over 100 individuals divided into the disciplines of advertising, media, content production, design, sponsorships & events.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 4 | 80 contacts → | ||||
Exact match “Advokatfirmaet Føyen AS is one of Norway's leading law firms within its specialist fields of real estate, ICT media and employment.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 5 | 41 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 6 | 28 contacts → | ||||
Exact match “BERNGAARD is a law firm in Oslo with vast expertise in construction law, technology and media, and public procurement.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 7 | 24 contacts → | ||||
Exact match “AGP is a transactions, capital markets and corporate focussed law firm in Oslo, Norway.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 8 | 22 contacts → | ||||
Exact match “Since 1986, SGB has assisted small and medium-sized businesses, public authorities and private clients with pointed, legal advice within our core areas.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 9 | 13 contacts → | ||||
Exact match “Wahl-Larsen Advokatfirma AS is a law firm centrally situated in Oslo, founded in 1874.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 10 | 10 contacts → | ||||
Exact match “Advokatfirmaet Robertsen er et moderne advokatfirma med solid bakgrunn og historie.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 11 | 9 contacts → | ||||
Exact match “Vaar er et advokatfirma som er spesialisert innenfor anskaffelser, teknologi, personvern og tilgrensende områder.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match “Advokatfirmaet Forsberg ble startet i 2010 av en gruppe advokater med lang erfaring innenfor forretningsjuss.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “Gille advokater DA is a boutique firm within the fields of- IT law - Intellectual Property Rights - Public procurement - Delivery contract, construction law and offshore -…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “Vi bistår private og næringsdrivende i en rekke ulike rettsområder.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Casus dekker et bredt spekter av fagområder, men konsentrerer selskapets virksomhet rundt utvalgte fagområder hvor selskapet har lang og omfattende erfaring i rådgivning og…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Hjelseth Advokatfirma hjelper private selskaper og personer med juridiske problemstillinger i nærings- og arbeidslivet.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “Advokatfirmaet Haaland DA er et advokatkontor lokalisert i Oslo sentrum.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “Advokatfirmaet Grønvigh, Tjersland & Indrevær DA er et advokatfirma med kontor i Oslo, og våre advokater bistår bredt innen de forretningsjuridiske områdene.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “ADVOKATFIRMAET OPØIEN is a company based out of Seilduksgata 5D, OSLO, Oslo, Norway.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “Advokatfirmaet Ulset bistår bedrifter, organisasjoner og privatpersoner innenfor de sentrale rettsområder.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match “Reinholdt Advokatfirma AS - We provide legal advise to individuals and small- and medium size businesses.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “Lin Advokater AS ble etablert i januar 2020, og drives i dag av advokatene Hanne Torkelsen, Ane Breivega og Tuva Aas-Bakke.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “ad law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 23 of 38 ad law firms based in Oslo, Norway
See the full list, filter by size, metro and specialty, and access 535 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Ad law firms based in Oslo, Norway at a glance
As of Sep 23, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 25.0dCompany record updated
Median 75.0dHow this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- 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
- Company records associated with Oslo, Norway whose business descriptions match “ad law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 535 professional contacts with verified work emails across the full matched dataset. 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 23, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “ad law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many ad law firms are there based in Oslo, Norway?
RevenueBase identified 38 company matches for ad law firms associated with Oslo, Norway as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Wiersholm tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Norway has the most ad law firms?
Oslo leads Norway with 38 company records, followed by Bergen (5) and Tromso (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 535 professional contacts with verified work emails tracked across these 38 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 23, 2026.
Ready to reach these companies? Verified emails and direct dials for all 38 ad law firms based in Oslo, Norway. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 23 ad law firms based in Oslo, Norway
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 38 matching company records for ad law firms based in Oslo, Norway, with 1,296 tracked contacts and 535 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 23, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 23 ad law firms based in Oslo, Norway
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Wiersholmwiersholm.noHQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 334 contacts → |
“The roots of Advokatfirmaet Wiersholm extend back to 1875.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Advokatfirmaet Hjorthjort.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 132 contacts → |
“We assist our clients with advice and procedural assignments in all key areas of law.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  WALwal.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 123 contacts → |
“WAL consists of over 100 individuals divided into the disciplines of advertising, media, content production, design, sponsorships & events.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Advokatfirmaet Føyen ASfoyen.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 80 contacts → |
“Advokatfirmaet Føyen AS is one of Norway's leading law firms within its specialist fields of real estate, ICT media and employment.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Dalan Advokatfirma DAdalan.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 41 contacts → |
“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…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Advokatfirmaet Berngaard ASberngaard.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 28 contacts → |
“BERNGAARD is a law firm in Oslo with vast expertise in construction law, technology and media, and public procurement.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AGP Advokateragpadvokater.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 24 contacts → |
“AGP is a transactions, capital markets and corporate focussed law firm in Oslo, Norway.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Advokatfirmaet SGB ASsgb.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 22 contacts → |
“Since 1986, SGB has assisted small and medium-sized businesses, public authorities and private clients with pointed, legal advice within our core areas.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 13 contacts → |
“Wahl-Larsen Advokatfirma AS is a law firm centrally situated in Oslo, founded in 1874.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Advokatfirmaet Robertsen ASrobertsen.noHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 10 contacts → |
“Advokatfirmaet Robertsen er et moderne advokatfirma med solid bakgrunn og historie.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Vaar Advokatvaar.lawHQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 9 contacts → |
“Vaar er et advokatfirma som er spesialisert innenfor anskaffelser, teknologi, personvern og tilgrensende områder.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Advokatfirmaet Forsberg DAforsberglaw.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 5 contacts → |
“Advokatfirmaet Forsberg ble startet i 2010 av en gruppe advokater med lang erfaring innenfor forretningsjuss.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Gille Advokater DAgille.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
“Gille advokater DA is a boutique firm within the fields of- IT law - Intellectual Property Rights - Public procurement - Delivery contract, construction law and offshore -…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Advokatfirmaet Verito ASverito.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
“Vi bistår private og næringsdrivende i en rekke ulike rettsområder.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Casus Advokatfirmacasus.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Casus dekker et bredt spekter av fagområder, men konsentrerer selskapets virksomhet rundt utvalgte fagområder hvor selskapet har lang og omfattende erfaring i rådgivning og…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Hjelseth Advokatfirmahjelseth-adv.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Hjelseth Advokatfirma hjelper private selskaper og personer med juridiske problemstillinger i nærings- og arbeidslivet.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Advokatfirmaet Haaland DAadv-haa.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Advokatfirmaet Haaland DA er et advokatkontor lokalisert i Oslo sentrum.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Advokatfirmaet Grønvigh, Tjersland & Indrevær DA er et advokatfirma med kontor i Oslo, og våre advokater bistår bredt innen de forretningsjuridiske områdene.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Advokatfirmaet Opøien MNAopoien.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 1 contacts → |
“ADVOKATFIRMAET OPØIEN is a company based out of Seilduksgata 5D, OSLO, Oslo, Norway.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Advokatfirmaet Ulsetadvokatulset.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 1 contacts → |
“Advokatfirmaet Ulset bistår bedrifter, organisasjoner og privatpersoner innenfor de sentrale rettsområder.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Reinholdt Advokatfirma ASreinholdt.noHQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 1 contacts → |
“Reinholdt Advokatfirma AS - We provide legal advise to individuals and small- and medium size businesses.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | LIN Advokater ASlinadvokater.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 1 contacts → |
“Lin Advokater AS ble etablert i januar 2020, og drives i dag av advokatene Hanne Torkelsen, Ane Breivega og Tuva Aas-Bakke.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 38 company matches
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Ad law firms: dataset insights
September 23, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
38 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 25.0dCompany record updated
Median 75.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 23, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for ad law firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many ad law firms did RevenueBase find based in Oslo, Norway?
The saved snapshot records 38 matching company records, 1,296 tracked contacts and 535 verified emails. The public preview displays 23 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 23, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 23 ad law firms based in Oslo, Norway. Snapshot: September 23, 2026. https://revenuebase.ai/companies/ad-law-firms/norway/oslo.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 23 ad law firms based in Oslo, Norway
RevenueBase records 38 matching company records for ad law firms based in Oslo, Norway, with 1,296 tracked contacts and 535 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 23, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 23 ad law firms based in Oslo, Norway
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Wiersholmwiersholm.no HQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 334 contacts → |
“The roots of Advokatfirmaet Wiersholm extend back to 1875.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Advokatfirmaet Hjorthjort.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 132 contacts → |
“We assist our clients with advice and procedural assignments in all key areas of law.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | WALwal.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 123 contacts → |
“WAL consists of over 100 individuals divided into the disciplines of advertising, media, content production, design, sponsorships & events.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Advokatfirmaet Føyen ASfoyen.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 80 contacts → |
“Advokatfirmaet Føyen AS is one of Norway's leading law firms within its specialist fields of real estate, ICT media and employment.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Dalan Advokatfirma DAdalan.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 41 contacts → |
“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…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Advokatfirmaet Berngaard ASberngaard.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 28 contacts → |
“BERNGAARD is a law firm in Oslo with vast expertise in construction law, technology and media, and public procurement.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AGP Advokateragpadvokater.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 24 contacts → |
“AGP is a transactions, capital markets and corporate focussed law firm in Oslo, Norway.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Advokatfirmaet SGB ASsgb.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 22 contacts → |
“Since 1986, SGB has assisted small and medium-sized businesses, public authorities and private clients with pointed, legal advice within our core areas.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 13 contacts → |
“Wahl-Larsen Advokatfirma AS is a law firm centrally situated in Oslo, founded in 1874.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Advokatfirmaet Robertsen ASrobertsen.no HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 10 contacts → |
“Advokatfirmaet Robertsen er et moderne advokatfirma med solid bakgrunn og historie.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vaar Advokatvaar.law HQ: Oslo, NorwayReported employees: 11-50 | Oslo, Norway | 11-50 | Exact match | 9 contacts → |
“Vaar er et advokatfirma som er spesialisert innenfor anskaffelser, teknologi, personvern og tilgrensende områder.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Advokatfirmaet Forsberg DAforsberglaw.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 5 contacts → |
“Advokatfirmaet Forsberg ble startet i 2010 av en gruppe advokater med lang erfaring innenfor forretningsjuss.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Gille Advokater DAgille.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
“Gille advokater DA is a boutique firm within the fields of- IT law - Intellectual Property Rights - Public procurement - Delivery contract, construction law and offshore -…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Advokatfirmaet Verito ASverito.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 4 contacts → |
“Vi bistår private og næringsdrivende i en rekke ulike rettsområder.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Casus Advokatfirmacasus.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Casus dekker et bredt spekter av fagområder, men konsentrerer selskapets virksomhet rundt utvalgte fagområder hvor selskapet har lang og omfattende erfaring i rådgivning og…” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hjelseth Advokatfirmahjelseth-adv.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Hjelseth Advokatfirma hjelper private selskaper og personer med juridiske problemstillinger i nærings- og arbeidslivet.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Advokatfirmaet Haaland DAadv-haa.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Advokatfirmaet Haaland DA er et advokatkontor lokalisert i Oslo sentrum.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 2 contacts → |
“Advokatfirmaet Grønvigh, Tjersland & Indrevær DA er et advokatfirma med kontor i Oslo, og våre advokater bistår bredt innen de forretningsjuridiske områdene.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Advokatfirmaet Opøien MNAopoien.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 1 contacts → |
“ADVOKATFIRMAET OPØIEN is a company based out of Seilduksgata 5D, OSLO, Oslo, Norway.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Advokatfirmaet Ulsetadvokatulset.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 1 contacts → |
“Advokatfirmaet Ulset bistår bedrifter, organisasjoner og privatpersoner innenfor de sentrale rettsområder.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Reinholdt Advokatfirma ASreinholdt.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 1 contacts → |
“Reinholdt Advokatfirma AS - We provide legal advise to individuals and small- and medium size businesses.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | LIN Advokater ASlinadvokater.no HQ: Oslo, NorwayReported employees: 1-10 | Oslo, Norway | 1-10 | Exact match | 1 contacts → |
“Lin Advokater AS ble etablert i januar 2020, og drives i dag av advokatene Hanne Torkelsen, Ane Breivega og Tuva Aas-Bakke.” Recorded description excerpt · September 23, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 38 company matches
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Ad law firms: dataset insights
September 23, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
38 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 25.0dCompany record updated
Median 75.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 23, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for ad law firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many ad law firms did RevenueBase find based in Oslo, Norway?
The saved snapshot records 38 matching company records, 1,296 tracked contacts and 535 verified emails. The public preview displays 23 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 23, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 23 ad law firms based in Oslo, Norway. Snapshot: September 23, 2026. https://revenuebase.ai/companies/ad-law-firms/norway/oslo.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗