Company lists · Data verified August 2026

Top 25 Clean energy consulting firms based in Norway

Name: Clean energy 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 116 companies tracked

There are 116 clean energy consulting firms headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 695 professional contacts across them, including 268 with verified work emails and 27 with mobile numbers. Oslo is the largest hub.

This list covers clean energy 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.

116Companies

695Contacts tracked

268Verified emails

27Mobile numbers

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The 25 largest clean energy consulting firms based in Norway

Ranked by team size

Top 25 of 116 clean energy 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	Norsk Energi	Laksevag	51-200	79	52
2	Thema Consulting Group	Oslo	51-200	52	39
3	ENTRO	Trondheim	51-200	51	28
4	Alltec	Stord	51-200	36	6
5	Carbon Circle AS	Oslo	11-50	25	20
6	Evotek AS	Lysaker	11-50	22	5
7	Beyond Strategy Consulting	Oslo	11-50	21	7
8	Insam AS	Drammen Viken	1-10	21	6
9	Green Norway	n/a	11-50	15	1
10	Enøktotal	Mandal	11-50	14	11
11	Riksheim	Alesund	11-50	14	8
12	Energy AS	Stavanger	11-50	12	2
13	Erithy	Eidsvoll	11-50	10	6
14	Brasca LTD	Odda	1-10	9	6
15	Variable	Oslo	1-10	8	5
16	Stakeholder AS	Oslo	1-10	7	7
17	ECO Corporate	Oslo	1-10	6	5
18	Vill Energi	Oslo	1-10	6	5
19	Elektroutvikling AS	Honefoss	1-10	6	4
20	Apoint AS	Kristiansund	1-10	4	3
21	Powerpal	Stavanger	1-10	4	2
22	Revise Norsk Gjenvinning	Oslo	1-10	4	2
23	ÆGE Group	Sandnes	11-50	4	1
24	Volt Energi AS	n/a	11-50	3	2
25	Stormvind AS	Trondheim	1-10	3	2

Showing 25 of 116 clean energy consulting firms based in Norway

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Clean energy consulting firms based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 40 HQs

27Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Clean energy consulting firms by metro

Metro	Companies
Clean energy consulting firms in Oslo	40
Clean energy consulting firms in Stavanger	8
Clean energy consulting firms in Drammen	5
Clean energy consulting firms in Trondheim	5
Clean energy consulting firms in Bergen	2
Clean energy consulting firms in Laksevag	2
Clean energy consulting firms in Kristiansand	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 “clean energy 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 clean energy consulting firms are there based in Norway?

There are 116 clean energy consulting firms headquartered in Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

Norsk Energi, headquartered in Laksevag, tops this list with the largest team on record.

Which city has the most clean energy consulting firms?

Oslo leads with 40 headquartered companies, followed by Stavanger (8) and Drammen (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 268 verified decision-maker contacts tracked across these 116 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.