Company lists · Data refreshed September 2026

Top 23 Accounting firms for health nonprofits based in Norway

RevenueBase identified 51 accounting firms for health nonprofits headquartered in Norway as of September 2026 and tracks 258 professional contacts across them, including 90 with verified work emails. Oslo is the largest hub.

This list covers accounting firms for health nonprofits 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 September 14, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 14, 2026 86% judged on-target in blind review
51Companies
258Contacts tracked
90Verified emails
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The 23 largest accounting firms for health nonprofits based in Norway

Ranked by team size
Top 23 of 51 accounting firms for health nonprofits based in Norway, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to accounting firms for health nonprofits: 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 evidenceStavanger, NorwayHQ checked Sep 14, 202611-5023 contacts →

Indirect evidence

“Jansson & Larsen Regnskap AS er et frittstående Stavangerbasert regnskapsbyrå som holder til sentralt i Løkkeveien.”

Source: RevenueBase Database · checked Sep 14, 2026
2Indirect evidenceTrondheim, NorwayHQ checked Sep 14, 202611-5012 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
3Indirect evidenceKolsas, NorwayHQ checked Sep 14, 202611-5010 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
4Indirect evidenceSandefjord, NorwayHQ checked Sep 14, 202611-5010 contacts →

Indirect evidence

“Torp Økonomi AS er et selvstendig og lokaleid autorisert regnskapsbyrå beliggende sentralt i Sandefjord!”

Source: RevenueBase Database · checked Sep 14, 2026
5Indirect evidenceStavanger, NorwayHQ checked Sep 14, 20261-109 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 14, 2026
6Indirect evidenceSandnes, NorwayHQ checked Sep 14, 20261-108 contacts →

Indirect evidence

“Inforegn er et regnskapskontor lokalisert på Forus.”

Source: RevenueBase Database · checked Sep 14, 2026
7Indirect evidenceTananger, NorwayHQ checked Sep 14, 202611-508 contacts →

Indirect evidence

“Kallesten Revisjon og Regnskap leverer komplette økonomitjenester.”

Source: RevenueBase Database · checked Sep 14, 2026
8Indirect evidenceOslo, NorwayHQ checked Sep 14, 202611-508 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 Sep 14, 2026
9Indirect evidenceHamar, NorwayHQ checked Sep 14, 202611-506 contacts →

Indirect evidence

“Økonomipartner Hamar AS er et autorisert regnskapsbyrå som holder til i moderne lokaler på Tjuvholmen i Hamar.”

Source: RevenueBase Database · checked Sep 14, 2026
10Indirect evidenceSandnes, NorwayHQ checked Sep 14, 20261-105 contacts →

Indirect evidence

“Idsø & Ravnås er et lokalt forankret revisjonsselskap som tilbyr revisjon- og rådgivningstjenester.”

Source: RevenueBase Database · checked Sep 14, 2026
11Indirect evidenceStavanger, NorwayHQ checked Sep 14, 20261-105 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 14, 2026
12Indirect evidenceKopervik, NorwayHQ checked Sep 14, 20261-104 contacts →

Indirect evidence

“Regnskapskontoret Laastad Pluss & Minus AS startet opp 01.11.2014.”

Source: RevenueBase Database · checked Sep 14, 2026
13Indirect evidenceOslo, NorwayHQ checked Sep 14, 20261-104 contacts →

Indirect evidence

“Vi tar ansvar for arbeidet vi gjør!”

Source: RevenueBase Database · checked Sep 14, 2026
14Indirect evidenceFørresfjorden, NorwayHQ checked Sep 14, 20261-104 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 14, 2026
15Indirect evidenceÅlesund, NorwayHQ checked Sep 14, 20261-103 contacts →

Indirect evidence

“Motregn AS ble etablert som autorisert regnskapsførerselskap i Ålesund i 2019, og har allerede opparbeidet seg en solid og variert kundemasse innen ulike bransjer.”

Source: RevenueBase Database · checked Sep 14, 2026
16Indirect evidenceEiganes Og Våland, NorwayHQ checked Sep 14, 20261-103 contacts →

Indirect evidence

“Rsk.kontor i Stavanger”

Source: RevenueBase Database · checked Sep 14, 2026
17Indirect evidenceDrammen, NorwayHQ checked Sep 14, 20261-103 contacts →

Indirect evidence

“Borge Revisjon AS ble etablert høsten 2009 og består i dag av- 1 statsautorisert revisor (som også er autorisert regnskapsfører)- 1 statsautorisert revisor - 1…”

Source: RevenueBase Database · checked Sep 14, 2026
18Indirect evidenceKongsvinger, NorwayHQ checked Sep 14, 20261-103 contacts →

Indirect evidence

“Sør-Hedmark Revisjon AS er et godkjent revisjons- og regnskapsselskap.”

Source: RevenueBase Database · checked Sep 14, 2026
19Indirect evidenceTromsø, NorwayHQ checked Sep 14, 20261-102 contacts →

Indirect evidence

“TB Regnskap AS ble etablert av Trond Berntsen i 1984 i Botnhamn på Senja.”

Source: RevenueBase Database · checked Sep 14, 2026
20Indirect evidenceKongsvinger, NorwayHQ checked Sep 14, 20261-102 contacts →

Indirect evidence

“Vi er et voksende revisjonsfirma med kunder fra ulike bransjer i SMB-markedet.”

Source: RevenueBase Database · checked Sep 14, 2026
21Indirect evidenceOslo, NorwayHQ checked Sep 14, 20261-102 contacts →

Indirect evidence

“Numetric er et komplett regnskapsfirma som tilbyr alle typer tjenester innen regnskap.”

Source: RevenueBase Database · checked Sep 14, 2026
22Indirect evidenceOslo, NorwayHQ checked Sep 14, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 14, 2026
23Indirect evidenceOslo, NorwayHQ checked Sep 14, 20261-102 contacts →

Indirect evidence

“Thune Økonomistyring AS er et regnskapsbyrå som holder til i Thunes vei 2, Oslo, Norway.”

Source: RevenueBase Database · checked Sep 14, 2026

Showing 23 of 51 accounting firms for health nonprofits based in Norway

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Accounting firms for health nonprofits based in Norway at a glance

As of Sep 14, 2026
34.9%Verified-email coverage
5.1Average contacts per company
1-10Median size (employees)
21.6%Largest-city concentration · Oslo
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
39
11-50
11
51-200
1

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 51 companies.

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 firms for health nonprofits, 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 firms for health nonprofits”. 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 firms for health nonprofits), 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 firms for health nonprofits, 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, 90 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 14, 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.

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 firms for health nonprofits, 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 firms for health nonprofits are there based in Norway?

RevenueBase identified 51 accounting firms for health nonprofits 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?

Jansson & Larsen Regnskap AS, headquartered in Stavanger, tops this list with the largest team on record.

Which city has the most accounting firms for health nonprofits?

Oslo leads with 11 headquartered companies, followed by Alesund (3) and Stavanger (3).

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 90 verified decision-maker contacts tracked across these 51 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 14, 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 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.