Company lists · Data verified August 2026

Top 25 Climate change consulting firms based in Norway

Name: Climate change 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 95 companies tracked

There are 95 climate change consulting firms headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 770 professional contacts across them, including 334 with verified work emails and 33 with mobile numbers. Oslo is the largest hub.

This list covers climate change 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.

95Companies

770Contacts tracked

334Verified emails

33Mobile numbers

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The 25 largest climate change consulting firms based in Norway

Ranked by team size

Top 25 of 95 climate change 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	Proactima	Oslo	51-200	101	67
2	Akvaplan-Niva	Alta	51-200	90	4
3	Norsk Energi	Laksevag	51-200	79	52
4	ENTRO	Trondheim	51-200	51	28
5	Ingenia AS	Oslo	11-50	42	15
6	Carbon Limits AS	Oslo	11-50	41	31
7	Erichsen & Horgen ER Blitt EN DEL AV Multiconsult	Skien	n/a	32	19
8	Evotek AS	Lysaker	11-50	22	5
9	Beyond Strategy Consulting	Oslo	11-50	21	7
10	Insam AS	Drammen Viken	1-10	21	6
11	Sustema	Asker	11-50	13	11
12	Climatepoint	Oslo	1-10	13	4
13	Bergfald Miljørådgivere	Skien	1-10	12	9
14	Cchange	Oslo	1-10	11	7
15	Innoventi	Arendal	1-10	9	6
16	Miljøfaglig Utredning AS	Oslo	11-50	8	6
17	Variable	Oslo	1-10	8	5
18	Stakeholder AS	Oslo	1-10	7	7
19	Co2pilot	Oslo	1-10	7	5
20	Future Horizons	Oslo	1-10	7	1
21	Vill Energi	Oslo	1-10	6	5
22	Structor Vann AS	Oslo	1-10	5	5
23	Footstep AS	Oslo	1-10	5	2
24	Energiråd AS	Alesund	1-10	4	3
25	Revise Norsk Gjenvinning	Oslo	1-10	4	2

Showing 25 of 95 climate change consulting firms based in Norway

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Climate change consulting firms based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 46 HQs

33Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

5,001-10,000

Climate change consulting firms by metro

Metro	Companies
Climate change consulting firms in Oslo	46
Climate change consulting firms in Bergen	5
Climate change consulting firms in Trondheim	3
Climate change consulting firms in Drammen	2
Climate change consulting firms in Lysaker	2
Climate change consulting firms in Skien	2
Climate change consulting firms in Stabekk	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 “climate change 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; 1 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 climate change consulting firms are there based in Norway?

There are 95 climate change consulting firms headquartered in Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most climate change consulting firms?

Oslo leads with 46 headquartered companies, followed by Bergen (5) and Trondheim (3).

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 334 verified decision-maker contacts tracked across these 95 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.