Company lists · Data verified August 2026

Top 25 Consulting firms based in Norway

Name: Consulting firms based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,209 companies tracked

There are 1,209 consulting firms headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 23,689 professional contacts across them, including 7,830 with verified work emails and 984 with mobile numbers. Oslo is the largest hub.

This list covers consulting firms 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.

1,209Companies

23,689Contacts tracked

7,830Verified emails

984Mobile numbers

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The 25 largest consulting firms based in Norway

Ranked by team size

Top 25 of 1,209 consulting firms 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	Norconsult	Sandvika	5,001-10,000	3,548	247
2	Multiconsult	Oslo	1,001-5,000	2,575	1,385
3	Bouvet ASA	Bergen	1,001-5,000	2,031	1,348
4	PWC Norway	Oslo	1,001-5,000	1,823	1
5	BDO Norge	Oslo	1,001-5,000	1,538	721
6	Kpmg Norway	Bergen	1,001-5,000	1,490	26
7	Asplan Viak AS	Sandvika Sandvika	1,001-5,000	1,072	754
8	Experis Norway	Fredrikstad	501-1,000	289	2
9	Addovation	Drammen	51-200	203	164
10	Technogarden	Sandvika	201-500	177	46
11	Centerpoint	Trollasen	51-200	172	3
12	FORTE	Oslo	201-500	149	93
13	Jefferson Wells Norge	Oslo	201-500	140	53
14	Inventura AS	Trondheim	51-200	137	68
15	Gritera	Oslo	51-200	118	74
16	Novaform	Forde	51-200	117	22
17	Abacus-It AS	Tromso	51-200	115	73
18	Process Engineering A S	Oslo	51-200	106	3
19	Thevit	n/a	51-200	105	52
20	Proactima	Oslo	51-200	101	67
21	Apriil	Oslo	51-200	100	52
22	Sprint Consulting	Oslo	51-200	96	73
23	Navigio	Oslo	51-200	83	11
24	TET	Baerum	51-200	73	2
25	Marstrand	Oslo	51-200	72	50

Showing 25 of 1,209 consulting firms based in Norway

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Consulting firms based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 508 HQs

984Contacts with mobile numbers

31Emails re-verified in last 30 days

Companies by employee count

1-10

880

11-50

252

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Consulting firms by metro

Metro	Companies
Consulting firms in Oslo	508
Consulting firms in Stavanger	49
Consulting firms in Bergen	42
Consulting firms in Trondheim	41
Consulting firms in Kristiansand	20
Consulting firms in Sandnes	19
Consulting firms in Drammen	18

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 “consulting firms”, 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; 31 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 consulting firms are there based in Norway?

There are 1,209 consulting firms headquartered in Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

Norconsult, headquartered in Sandvika, tops this list with the largest team on record.

Which city has the most consulting firms?

Oslo leads with 508 headquartered companies, followed by Stavanger (49) and Bergen (42).

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 7,830 verified decision-maker contacts tracked across these 1,209 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.