Company lists · Data verified August 2026

Top 25 Accounting process outsourcing providers based in Norway

Name: Accounting process outsourcing providers based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 161 companies tracked

There are 161 accounting process outsourcing providers headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 780 professional contacts across them, including 236 with verified work emails and 27 with mobile numbers. Oslo is the largest hub.

This list covers accounting process outsourcing providers 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.

161Companies

780Contacts tracked

236Verified emails

27Mobile numbers

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The 25 largest accounting process outsourcing providers based in Norway

Ranked by team size

Top 25 of 161 accounting process outsourcing providers 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	24sevenoffice	Skien	201-500	104	4
2	Abacus Ratio AS	Son	11-50	31	27
3	Tietoevry Accounting AS	Trondheim	51-200	28	8
4	Vkst AS	Voss	11-50	23	12
5	Complér	Bergen	11-50	19	5
6	Hagel AS	Isdalsto	11-50	17	9
7	Ever AS	Trondheim	11-50	16	11
8	Iregnskap AS	Arnes	11-50	15	8
9	Tallverket AS	Barkaker	11-50	14	5
10	Amon Regnskap Oslo AS	Oslo	1-10	12	3
11	Novum Økonomi AS	Drammen	11-50	11	7
12	Back Office AS	Skien	11-50	10	6
13	Regnskapshuset AS	Oslo	11-50	10	4
14	Sherpa Økonomi	Alesund	11-50	10	4
15	Defacto Regnskap AS	n/a	11-50	10	2
16	Nimbus Regnskap	Oslo	11-50	9	5
17	Kallesten Revisjon OG Regnskap AS	Tananger	11-50	8	5
18	Solregn Regnskap	Hagan	11-50	7	5
19	Melhus Regnskap	Melhus	11-50	6	4
20	Økonomipartner Hamar AS	Hamar	11-50	6	2
21	Respons Regnskap AS	Bodo	1-10	5	5
22	Flexi AS	Sarpsborg	11-50	5	4
23	Tysvær Regnskap AS	Forresfjorden	1-10	4	3
24	Addero AS	Gamle Fredrikstad	1-10	4	3
25	Rett Regnskap AS	Trondheim	1-10	4	2

Showing 25 of 161 accounting process outsourcing providers based in Norway

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 236 reachable decision-makers.

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Accounting process outsourcing providers based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 30 HQs

27Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

104

11-50

51-200

201-500

Accounting process outsourcing providers by metro

Metro	Companies
Accounting process outsourcing providers in Oslo	30
Accounting process outsourcing providers in Trondheim	7
Accounting process outsourcing providers in Alesund	5
Accounting process outsourcing providers in Bergen	4
Accounting process outsourcing providers in Drammen	4
Accounting process outsourcing providers in Skien	3
Accounting process outsourcing providers in Haugesund	2

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 process outsourcing providers”, 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; 4 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 process outsourcing providers are there based in Norway?

There are 161 accounting process outsourcing providers headquartered in Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

24sevenoffice, headquartered in Skien, tops this list with the largest team on record.

Which city has the most accounting process outsourcing providers?

Oslo leads with 30 headquartered companies, followed by Trondheim (7) and Alesund (5).

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 236 verified decision-maker contacts tracked across these 161 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.