Company lists · Data verified August 2026

Top 25 Accounting outsourcing companies based in Norway

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 187 companies tracked

There are 187 accounting outsourcing companies headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 973 professional contacts across them, including 311 with verified work emails and 34 with mobile numbers. Oslo is the largest hub.

This list covers accounting outsourcing companies 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.

187Companies

973Contacts tracked

311Verified emails

34Mobile numbers

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The 25 largest accounting outsourcing companies based in Norway

Ranked by team size

Top 25 of 187 accounting outsourcing companies 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	Accountor Norge	n/a	501-1,000	192	53
2	Account Group Norge	Hokksund	51-200	35	19
3	Tietoevry Accounting AS	Trondheim	51-200	28	8
4	Vkst AS	Voss	11-50	23	12
5	Hagel AS	Isdalsto	11-50	17	9
6	Ever AS	Trondheim	11-50	16	11
7	Iregnskap AS	Arnes	11-50	15	8
8	Tallverket AS	Barkaker	11-50	14	5
9	K-Team AS	Kolsas	11-50	10	7
10	Back Office AS	Skien	11-50	10	6
11	Flav AS	Bergen	11-50	10	5
12	Torp Økonomi AS	Sandefjord	11-50	10	5
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	Flexi AS	Sarpsborg	11-50	5	4
22	Saga KL	Honefoss Viken	201-500	5	2
23	HÅ Rekneskapslag SA	Varhaug Ha	11-50	5	2
24	Follo Regnskap SA	As	11-50	4	3
25	Reknehuset AS	Orsta	11-50	4	1

Showing 25 of 187 accounting outsourcing companies based in Norway

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Accounting outsourcing companies based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 35 HQs

34Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

120

11-50

51-200

201-500

501-1,000

1,001-5,000

Accounting outsourcing companies by metro

Metro	Companies
Accounting outsourcing companies in Oslo	35
Accounting outsourcing companies in Trondheim	7
Accounting outsourcing companies in Alesund	4
Accounting outsourcing companies in Drammen	3
Accounting outsourcing companies in Bergen	3
Accounting outsourcing companies in Lorenskog	3
Accounting outsourcing companies in Sandefjord	3

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 outsourcing companies”, 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; 5 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 outsourcing companies are there based in Norway?

There are 187 accounting outsourcing companies headquartered in Norway as of August 2026 (RevenueBase).

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 outsourcing companies?

Oslo leads with 35 headquartered companies, followed by Trondheim (7) and Alesund (4).

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 311 verified decision-maker contacts tracked across these 187 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.