Company lists · Data refreshed August 2026

Top 25 Accounting services outsourcing companies based in Norway

RevenueBase identified 278 accounting services outsourcing companies headquartered in Norway as of August 2026 and tracks 1,464 professional contacts across them, including 433 with verified work emails and 51 with mobile numbers. Oslo is the largest hub.

This list covers accounting services outsourcing companies 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed August 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 Smart Search rating on every row Refreshed Aug 30, 2026 86% judged on-target in blind review
278Companies
1,464Contacts tracked
433Verified emails
51Mobile numbers
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest accounting services outsourcing companies based in Norway

Ranked by team size
Top 25 of 278 accounting services outsourcing companies based in Norway, ranked by team size, largest first. Data refreshed Aug 30, 2026. RevenueBase Smart Search rates how each company's information relates to accounting services outsourcing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceNorway501-1,000192 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 30, 2026
2Partial evidenceSkien, Norway201-500104 contacts →

Partial evidence

“Innovative and flexible business solutions for professionals in accounting, finance, and administration.”

Source: RevenueBase Database · checked Aug 30, 2026
3Indirect evidenceHokksund, Norway51-20035 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 30, 2026
4Indirect evidenceStokke, Norway51-20029 contacts →

Indirect evidence

“Regnskapsførerselskap etablert i 1953.”

Source: RevenueBase Database · checked Aug 30, 2026
5Indirect evidenceTrondheim, Norway51-20028 contacts →

Indirect evidence

“Tjenester som gir deg mer tid til kjernevirksomheten.”

Source: RevenueBase Database · checked Aug 30, 2026
6Indirect evidenceVoss, Norway11-5023 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 30, 2026
7Indirect evidenceKristiansund, Norway51-20023 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 30, 2026
8Indirect evidenceOslo, Norway11-5021 contacts →

Indirect evidence

“Folio er bedriftskontoen som hjelper deg med regnskapet.”

Source: RevenueBase Database · checked Aug 30, 2026
9Indirect evidenceBergen, Norway11-5019 contacts →

Indirect evidence

“Vil du bli en del av laget?”

Source: RevenueBase Database · checked Aug 30, 2026
10Indirect evidenceIsdalsto, Norway11-5017 contacts →

Indirect evidence

“Din regnskapsfører og samtalepartner.”

Source: RevenueBase Database · checked Aug 30, 2026
11Indirect evidenceTrondheim, Norway11-5016 contacts →

Indirect evidence

Source: RevenueBase Database · checked Aug 30, 2026
12Indirect evidenceLillestrom, Norway11-5016 contacts →

Indirect evidence

“Din businesspartner!”

Source: RevenueBase Database · checked Aug 30, 2026
13Indirect evidenceArnes, Norway11-5015 contacts →

Indirect evidence

“iRegnskap AS er ledende når det gjelder å utnytte mulighetene i moderne skybaserte regnskapssystemer, og fokuserer primært på å sette opp automatikkfunksjonene slik at minst…”

Source: RevenueBase Database · checked Aug 30, 2026
14Indirect evidenceBarkaker, Norway11-5014 contacts →

Indirect evidence

“Enklere.”

Source: RevenueBase Database · checked Aug 30, 2026
15Partial evidenceOslo, Norway11-5011 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Aug 30, 2026
16Partial evidenceDrammen, Norway11-5011 contacts →

Partial evidence

“Novum is an authorized accounting office providing a wide spectrum of services to the companies within accounting, finance, payroll and HR.”

Source: RevenueBase Database · checked Aug 30, 2026
17Indirect evidenceKolsas, Norway11-5010 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Aug 30, 2026
18Indirect evidenceSkien, Norway11-5010 contacts →

Indirect evidence

“Back Office spesialiserer seg på offshoring for norske regnskapsfirmaer.”

Source: RevenueBase Database · checked Aug 30, 2026
19Indirect evidenceOslo, Norway11-5010 contacts →

Indirect evidence

“Regnskapshuset gir profesjonell bistand innen regnskap, lønn og økonomistyring for mindre og mellomstore bedrifter, slik at bedriftene kan frigjøre ressurser til andre oppgaver.”

Source: RevenueBase Database · checked Aug 30, 2026
20Indirect evidenceOslo, Norway11-509 contacts →

Indirect evidence

“Nimbus Regnskap er en Regnskap / It bedrift som leverer skybaserte tjenester.”

Source: RevenueBase Database · checked Aug 30, 2026
21Indirect evidenceTananger, Norway11-508 contacts →

Indirect evidence

“Kallesten Revisjon og Regnskap leverer komplette økonomitjenester.”

Source: RevenueBase Database · checked Aug 30, 2026
22Indirect evidenceLyngdal, Norway11-508 contacts →

Indirect evidence

“Vi er totalleverandør av alt innen revisjon, rådgivning og regnskap.”

Source: RevenueBase Database · checked Aug 30, 2026
23Indirect evidenceOslo, Norway11-508 contacts →

Indirect evidence

“Vi tilbyr regnskapstjenester for flere bransjer, og har spesialiserte regnskapsførere som er klare til å bistå deg og din bedrift best mulig.”

Source: RevenueBase Database · checked Aug 30, 2026
24Indirect evidenceHagan, Norway11-507 contacts →

Indirect evidence

“Vi ser etter spennende bedrifter som trenger en stabil, uformell og oppdatert sparringspartner innen regnskap.”

Source: RevenueBase Database · checked Aug 30, 2026
25Indirect evidenceTrondheim, Norway11-507 contacts →

Indirect evidence

“Vi heter Tidy Account, og det navnet er ikke tilfeldig.”

Source: RevenueBase Database · checked Aug 30, 2026

Showing 25 of 278 accounting services outsourcing companies based in Norway

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 433 reachable decision-makers.

Free signup · no credit card

View the full list →

Accounting services outsourcing companies based in Norway at a glance

As of Aug 30, 2026
29.6%Verified-email coverage
3.5%Mobile-number coverage
5.3Average contacts per company
1-10Median size (employees)
18.0%Largest-city concentration · Oslo
Aug 30, 2026Page data refreshed

Companies by employee count

1-10
186
11-50
72
51-200
6
201-500
2
501-1,000
2
1,001-5,000
1

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 accounting services outsourcing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Norway whose own description of what they do matches “accounting services outsourcing companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names accounting services outsourcing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among accounting services outsourcing companies, 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 its RevenueBase Smart Search 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, 433 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 August 30, 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.

Accounting services outsourcing companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names accounting services outsourcing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many accounting services outsourcing companies are there based in Norway?

RevenueBase identified 278 accounting services outsourcing companies headquartered in Norway as of August 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?

Accountor Norge, headquartered in Norway, tops this list with the largest team on record.

Which city has the most accounting services outsourcing companies?

Oslo leads with 50 headquartered companies, followed by Trondheim (13) and Alesund (7).

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 433 verified decision-maker contacts tracked across these 278 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on August 30, 2026.

Ready to reach these companies? Verified emails and direct dials for all 278 accounting services outsourcing companies 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 Smart Search, 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.