Company lists · Data verified August 2026

Top 25 Accounting firms for international nonprofits based in Norway

Name: Accounting firms for international nonprofits based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 229 companies tracked

There are 229 accounting firms for international nonprofits headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 2,875 professional contacts across them, including 1,173 with verified work emails and 91 with mobile numbers. Oslo is the largest hub.

This list covers accounting firms for international nonprofits headquartered in Norway, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

229Companies

2,875Contacts tracked

1,173Verified emails

91Mobile numbers

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The 25 largest accounting firms for international nonprofits based in Norway

Ranked by team size

Top 25 of 229 accounting firms for international nonprofits based in Norway, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	BDO Norge	Oslo	1,001-5,000	1,538	721
2	Forvis Mazars In Norway	Oslo	51-200	76	36
3	Athene Group	Kristiansand	501-1,000	51	21
4	Saga Regnskap & Rådgivning	Larvik	51-200	40	16
5	BDT Viken AS	Tonsberg	51-200	37	12
6	SLM Revisjon AS	Lillestrom Viken	11-50	33	20
7	PKF Revisjon AS	Oslo	11-50	29	23
8	Revicom AS	Sortland	11-50	26	2
9	Revisjonsfirmaet Åsvang & CO	Tonsberg	11-50	22	13
10	Jansson & Larsen Regnskap AS	Stavanger	11-50	22	2
11	CCE	Chenove	11-50	21	18
12	Langseth Gruppen	Oslo	11-50	21	4
13	Hasund AS	Ulsteinvik	11-50	19	3
14	RG Regnskap AS	n/a	11-50	18	8
15	Revisjonsfirmaet Flattum & CO AS	Oslo	11-50	15	5
16	Baker Tilly Grimsrud & CO	Oslo	11-50	15	1
17	HLO Revisjon & Rådgivning AS	Sandefjord	11-50	14	9
18	Unic Revisjon AS	Oslo	11-50	12	8
19	Øst-Revisjon	Fredrikstad Viken	11-50	12	3
20	Alpha Revisjon AS	Oslo	11-50	11	9
21	Revisorkonsult AS	Tynset	11-50	11	5
22	Center Revisjon AS	n/a	11-50	11	4
23	Revisjon Ryfylke AS	Tau	11-50	10	8
24	K-Team AS	Kolsas	11-50	10	7
25	Flav AS	Bergen	11-50	10	5

Showing 25 of 229 accounting firms for international nonprofits based in Norway

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Accounting firms for international nonprofits based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 48 HQs

91Contacts with mobile numbers

9Emails re-verified in last 30 days

Companies by employee count

1-10

145

11-50

51-200

201-500

501-1,000

1,001-5,000

Accounting firms for international nonprofits by metro

Metro	Companies
Accounting firms for international nonprofits in Oslo	48
Accounting firms for international nonprofits in Stavanger	6
Accounting firms for international nonprofits in Kristiansand	6
Accounting firms for international nonprofits in Alesund	5
Accounting firms for international nonprofits in Sandefjord	5
Accounting firms for international nonprofits in Drammen	5
Accounting firms for international nonprofits in Tonsberg	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “accounting firms for international nonprofits”, with match quality audited by blind human judging, and headquartered in Norway.
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: Contact records re-verify on a rolling cadence; 9 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many accounting firms for international nonprofits are there based in Norway?

There are 229 accounting firms for international nonprofits headquartered in Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

BDO Norge, headquartered in Oslo, tops this list with the largest team on record.

Which city has the most accounting firms for international nonprofits?

Oslo leads with 48 headquartered companies, followed by Stavanger (6) and Kristiansand (6).

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 1,173 verified decision-maker contacts tracked across these 229 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.