Company lists · Data verified August 2026

Top 25 Environmental consultancy firms based in Norway

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 118 companies tracked

There are 118 environmental consultancy firms headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 6,911 professional contacts across them, including 1,943 with verified work emails and 175 with mobile numbers. Oslo is the largest hub.

This list covers environmental consultancy 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.

118Companies

6,911Contacts tracked

1,943Verified emails

175Mobile numbers

Unlock all 118 companies Free account · no credit card · 2 minutes

The 25 largest environmental consultancy firms based in Norway

Ranked by team size

Top 25 of 118 environmental consultancy 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	Akvaplan-Niva	Alta	51-200	90	4
4	ENTRO	Trondheim	51-200	51	28
5	Itech AS	Oslo	51-200	49	31
6	VSO Consulting VSÓ Ráðgjöf	Jessheim	51-200	47	33
7	Fokus Rådgivning AS	Sandvika	11-50	27	23
8	Evotek AS	Lysaker	11-50	22	5
9	Ecofact	Vestby	11-50	17	9
10	Riksheim	Alesund	11-50	14	8
11	Sustema	Asker	11-50	13	11
12	Terraplan AS	Drammen	11-50	13	11
13	Climatepoint	Oslo	1-10	13	4
14	Prosjektgruppen AS	Mandal	11-50	12	10
15	Bergfald Miljørådgivere	Skien	1-10	12	9
16	Forcit Consulting AS	Lillestrom	11-50	11	6
17	Huslid Consult AS	Oslo	1-10	10	6
18	Structor Tekniske Systemer AS	Oslo	1-10	9	9
19	Miljøfaglig Utredning AS	Oslo	11-50	8	6
20	Rådgivende Biologer	Bergen	11-50	8	3
21	VA Visjon	Oslo	1-10	7	5
22	Nomiko AS	Oslo	1-10	6	6
23	Mulvik AS	Stryn	11-50	6	2
24	Dynsol AS	Stavanger	11-50	6	2
25	Byggtakst Nord AS	Tromso	1-10	4	4

Showing 25 of 118 environmental consultancy firms based in Norway

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,943 reachable decision-makers.

Free account · no credit card

See all 118 companies

Environmental consultancy firms based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 38 HQs

175Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

5,001-10,000

Environmental consultancy firms by metro

Metro	Companies
Environmental consultancy firms in Oslo	38
Environmental consultancy firms in Bergen	5
Environmental consultancy firms in Trondheim	4
Environmental consultancy firms in Stavanger	4
Environmental consultancy firms in Drammen	3
Environmental consultancy firms in Lysaker	3
Environmental consultancy firms in Alesund	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 “environmental consultancy 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; 0 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 environmental consultancy firms are there based in Norway?

There are 118 environmental consultancy 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 environmental consultancy firms?

Oslo leads with 38 headquartered companies, followed by Bergen (5) and Trondheim (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 1,943 verified decision-maker contacts tracked across these 118 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.

Ready to reach these companies? Verified emails and direct dials for all 118 environmental consultancy firms based in Norway. Start with a free account, no credit card.

Get the full list

Related lists

Environmental consultancy firms by geography

Browse the directory

Browse: Companies home · All Norway lists · All Environmental consultancy firms lists · New lists

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.