Company lists · Data refreshed September 2026

Top 25 Professional services firms based in Norway

RevenueBase identified 395 company matches for professional services firms associated with Norway as of September 2026 and tracks 7,940 professional contacts across them, including 1,679 with verified work emails and 229 with mobile numbers. Oslo is the largest hub.

This list covers company matches for professional services firms associated with 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 5, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 5, 2026 How this list was built
395Companies
7,940Contacts tracked
1,679Verified emails
229Mobile numbers
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest professional services firms based in Norway

Ranked by team size
Top 25 of 395 company matches for professional services firms based in Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchOslo, NorwayHQ recorded Sep 5, 20261,001-5,0001,824 contacts →

Exact match

“PwC er et ledende globalt kompetansehus som bidrar med kunnskap, innsikt og verdiskapning.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
2Exact matchOslo, NorwayHQ recorded Sep 5, 20261,001-5,0001,530 contacts →

Exact match

“We see great value in having a local presence and roots, factors which enable us to work closely with our clients.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
3Exact matchOslo, NorwayHQ recorded Sep 5, 20261,001-5,0001,498 contacts →

Exact match

“KPMG er mest kjent som revisorer, forretningskonsulenter og advokater, men vi er også mye mer.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
4Exact matchOslo, NorwayHQ recorded Sep 5, 2026501-1,000242 contacts →

Exact match

“VIEW Group leverer outsourcing av regnskap, lønn, økonomi og IT-tjenester til norske, nordiske og globale selskaper med 10 til flere tusen ansatte.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5Exact matchNorwayHQ recorded Sep 5, 2026501-1,000192 contacts →

Exact match

“Med 70 kontorer over hele Norge er vi store, men også lokale.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
6Exact matchHamar, NorwayHQ recorded Sep 5, 202651-20087 contacts →

Exact match

“Vi står klare når du skal videreutvikle, eller trenger hjelp til å drive selskapet ditt.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7Exact matchOslo, NorwayHQ recorded Sep 5, 202651-20076 contacts →

Exact match

“Vi er et internasjonalt integrert partnerskap, med spesialisering innen revisjon, skatt, rådgivning og advokattjenester.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8Exact matchOslo, NorwayHQ recorded Sep 5, 202651-20072 contacts →

Exact match

“Vi lever i en verden drevet av endring.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9Exact matchGjøvik, NorwayHQ recorded Sep 5, 202651-20048 contacts →

Exact match

“Med solid erfaring innen regnskap, økonomisk rådgivning, IT og rekruttering hjelper vi bedrifter med å ta gode valg for en enklere, tryggere og mer lønnsom hverdag.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10Exact matchSandefjord, NorwayHQ recorded Sep 5, 202651-20040 contacts →

Exact match

“Saga Regnskap & Rådgivning er et frittstående regnskapsbyrå som hjelper små og mellomstore bedrifter i Vestfold og Telemark til økt effektivitet og bedre lønnsomhet.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11Exact match3181, NorwayHQ recorded Sep 5, 202651-20037 contacts →

Exact match

“Kunnskapshuset BDT Viken har en bred kompetanseplattform innen regnskap, rådgiving og revisjon med til sammen 50 ansatte.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12Exact matchHokksund, NorwayHQ recorded Sep 5, 202651-20035 contacts →

Exact match

“Account Group samarbeider tett med mange ulike virksomheter i hele landet.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13Exact matchStavanger, NorwayHQ recorded Sep 5, 202611-5034 contacts →

Exact match

“Vi tilbyr regnskapsføring og rådgivning med personlig engasjement og tilnærming til våre kunder.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14Exact matchFredrikstad, NorwayHQ recorded Sep 5, 202651-20033 contacts →

Exact match

“Vi i Wican samarbeider så tett med kundene at vi ofte oppleves som deres interne avdeling.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15Exact matchOslo, NorwayHQ recorded Sep 5, 202611-5030 contacts →

Exact match

“PKF ReVisjon er en revisjons- og rådgivningsvirksomhet med klienter innen et bredt spekter av forretningsområder.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16Exact matchNøtterøy, NorwayHQ recorded Sep 5, 202611-5029 contacts →

Exact match

“Oseberg Services er en utfordrer til de større regnskapsbyråene med fokus på personlig oppfølgning av kundene våre.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17Exact matchOslo, NorwayHQ recorded Sep 5, 202611-5023 contacts →

Exact match

“Tandem er et kompetansehus og en tjenesteleverandør innenfor regnskap, lønn og økonomisk rådgivning.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18Exact matchLillehammer, NorwayHQ recorded Sep 5, 202611-5023 contacts →

Exact match

“Kantall er et regnskapsbyrå med solid kompetanse og dedikerte medarbeidere lokalisert på Lillehammer.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19Exact matchKristiansund, NorwayHQ recorded Sep 5, 202651-20023 contacts →

Exact match

“Ved årsskiftet vil SpareBank 1 Regnskapshuset Nordvest AS slå seg sammen med Trio Regnskapsservice og etablere SpareBank 1 Økonomipartner.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20Exact matchTønsberg, NorwayHQ recorded Sep 5, 202611-5022 contacts →

Exact match

“Want a local and independent auditing company with personal service, so ask us!”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21Exact matchLysaker, NorwayHQ recorded Sep 5, 202611-5022 contacts →

Exact match

“NITSCHKE består av revisjonsselskapet Nitschke AS, som drives av statsautoriserte revisorer, og det autoriserte regnskapsførerselskapet Nitschke Consult AS.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22Exact matchBergen, NorwayHQ recorded Sep 5, 202611-5022 contacts →

Exact match

“VKST er et økonomihus som holder til i Bergen og leverer alt innen regnskaps- og økonomitjenester.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23Exact matchLevanger, NorwayHQ recorded Sep 5, 202611-5019 contacts →

Exact match

“Fra etableringen i 1986 har vi levert regnskapstjenester og økonomisk rådgiving.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24Exact matchBergen, NorwayHQ recorded Sep 5, 202611-5019 contacts →

Exact match

“Vil du bli en del av laget?”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25Exact matchUlsteinvik, NorwayHQ recorded Sep 5, 202611-5019 contacts →

Exact match

“Accounting, Payroll & Business Counseling Situated in Ulsteinvik, Møre og Romsdal.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase

Showing 25 of 395 professional services firms based in Norway

See the full list, filter by size, metro and specialty, and access 1,679 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Professional services firms based in Norway at a glance

As of Sep 5, 2026
21.1%Verified-email coverage
2.9%Mobile-number coverage
20.1Average contacts per company
1-10Median size (employees)
21.3%Largest-city concentration · Oslo
Sep 5, 2026Page data refreshed

Companies by employee count

1-10
248
11-50
117
51-200
19
201-500
2
501-1,000
3
1,001-5,000
3

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

How 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 Norway whose business descriptions match “professional services 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 1,679 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 5, 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.

Professional services firms by metro

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 “professional services firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional services firms are there based in Norway?

RevenueBase identified 395 company matches for professional services firms associated with 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?

PWC Norway tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most professional services firms?

Oslo leads with 84 company records, followed by Sandefjord (10) and Trondheim (10).

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 1,679 professional contacts with verified work emails tracked across these 395 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 395 professional services firms based in Norway. Start with a free account, no credit card.

Download this list →

Related lists

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.