Company lists · Data refreshed September 2026

Top 25 Audit and consultancies based in Norway

RevenueBase identified 111 company matches for audit and consultancies associated with Norway as of September 2026 and tracks 3,745 professional contacts across them, including 1,062 with verified work emails. Oslo is the largest hub.

This list covers company matches for audit and consultancies 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 21, 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 21, 2026 How this list was built
111Companies
3,745Contacts tracked
1,062Verified emails
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The 25 largest audit and consultancies based in Norway

Ranked by team size
Top 25 of 111 company matches for audit and consultancies based in Norway, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 21, 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 21, 2026 · View company records in RevenueBase
2Exact matchOslo, NorwayHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
3Exact matchLillestrøm, NorwayHQ recorded Sep 21, 202611-5033 contacts →

Exact match

“SLM Revisjon AS is an authorized auditing firm with 32 employees, located in central Lillestrøm.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchOslo, NorwayHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
5Exact matchHarstad, NorwayHQ recorded Sep 21, 202611-5027 contacts →

Exact match

“KOMREV NORD IKS is a government administration company based out of Sjøgata 3, HARSTAD, Harstad, Norway.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchSortland, NorwayHQ recorded Sep 21, 202611-5026 contacts →

Exact match

“Revicom AS er et spesialistmiljø på revisjon og økonomisk rådgivning.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchTønsberg, NorwayHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
8Exact matchLysaker, NorwayHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
9Exact matchSteinkjer, NorwayHQ recorded Sep 21, 202611-5020 contacts →

Exact match

“Revisjon Midt-Norge SA er Norges største interkommunale revisjonsselskap, og det første som er organisert som et samvirkeforetak.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchOslo, NorwayHQ recorded Sep 21, 202611-5015 contacts →

Exact match

“We are a strong, interdisciplinary team of auditors, accountants, lawyers and advisors.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchSandefjord, NorwayHQ recorded Sep 21, 202611-5014 contacts →

Exact match

“HLO revisjon & rådgivning AS - revisjonsfirma lokalt i Sandefjord sentrum.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchSandnes, NorwayHQ recorded Sep 21, 20261-1013 contacts →

Exact match

“Våre attestasjonstjenester inkluderer i tillegg til lovpålagt revisjon de fleste attestasjoner som følger av selskapslovgivning, revisjonsstandardene (ISA) og myndighetskrav for…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchTrondheim, NorwayHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“Nye" gamle Orkla Revisjon ønsker gamle og nye kunder velkommen til våre nye lokaler på Trekanten, Vestre Rosten 81 i Trondheim.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchTrondheim, NorwayHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“E.K.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchOslo, NorwayHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“Unic Revisjon AS er et revisjonsselskap med bred erfaring som revisor innen ulike bransjer og konsulenttjenester.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchFredrikstad, NorwayHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“Våre revisorer har lang erfaring, høy kompetanse og er alltid tilgjengelige for våre kunder!”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchOslo, NorwayHQ recorded Sep 21, 202611-5011 contacts →

Exact match

“Alpha revisjon AS is an accounting company based out of Holbergs gate 21, Oslo, Norway.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchGrålum, NorwayHQ recorded Sep 21, 202611-5011 contacts →

Exact match

“Center Revisjon, din revisor i Østfold!”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchLillehammer, NorwayHQ recorded Sep 21, 202611-5011 contacts →

Exact match

“Innlandet Revisjon IKS er et interkommunalt selskap som de senere årene har hatt en sterk utvikling og vekst.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchBergen, NorwayHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Collegium Revisjon AS er et moderne revisjons- og rådgivningsselskap i Bergen med lang erfaring og bred kompetanse.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchKolsas, NorwayHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Vi er et revisjons- og regnskaps firma med kontor på Kolsås i Bærum og på Hamar.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchArendal, NorwayHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Sørlandet kommunerevisjon IKS er et interkommunalt revisjonsselskap som utfører finansiell revisjon, forvaltningsrevisjon og andre revisjonsrelaterte tjenester for 18 kommuner i…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchTynset, NorwayHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Revisorkonsult leverer revisjon og konsulenttjenester for små og mellomstore bedrifter effektivt og til riktig pris.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchStavanger, NorwayHQ recorded Sep 21, 20261-109 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchOslo, NorwayHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Berge & lundal revisjonsselskap holder til i Oslo sentrum.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 111 audit and consultancies based in Norway

See the full list, filter by size, metro and specialty, and access 1,062 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Audit and consultancies based in Norway at a glance

As of Sep 21, 2026
28.4%Verified-email coverage
33.7Average contacts per company
1-10Median size (employees)
21.6%Largest-city concentration · Oslo
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
67
11-50
40
51-200
1
201-500
1
1,001-5,000
2

Email recency for this list is measured worldwide rather than for Norway, so it is reported there. Company counts and contact totals on this page are exact for Norway, over 111 companies.

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 “audit and consultancies” 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 1,062 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 21, 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 “audit and consultancies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many audit and consultancies are there based in Norway?

RevenueBase identified 111 company matches for audit and consultancies 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?

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

Which city has the most audit and consultancies?

Oslo leads with 24 company records, followed by Drammen (5) and Stavanger (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 1,062 professional contacts with verified work emails tracked across these 111 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 21, 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.