Company lists · Data verified August 2026

Top 25 Clean energy consultancy companies based in Norway

Name: Clean energy consultancy companies based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 122 companies tracked

There are 122 clean energy consultancy companies headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 930 professional contacts across them, including 373 with verified work emails and 41 with mobile numbers. Oslo is the largest hub.

This list covers clean energy consultancy 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.

122Companies

930Contacts tracked

373Verified emails

41Mobile numbers

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The 25 largest clean energy consultancy companies based in Norway

Ranked by team size

Top 25 of 122 clean energy consultancy 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	ANEO	Trondheim	201-500	143	73
2	Norsk Energi	Laksevag	51-200	79	52
3	Thema Consulting Group	Oslo	51-200	52	39
4	ENTRO	Trondheim	51-200	51	28
5	Alltec	Stord	51-200	36	6
6	Carbon Circle AS	Oslo	11-50	25	20
7	Elkraft AS	Oslo	51-200	23	8
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	Becour	Fredrikstad	11-50	17	3
12	Green Norway	n/a	11-50	15	1
13	Enøktotal	Mandal	11-50	14	11
14	Riksheim	Alesund	11-50	14	8
15	Bergfald Miljørådgivere	Skien	1-10	12	9
16	Smart Energi	Fredrikstad	11-50	10	8
17	Erithy	Eidsvoll	11-50	10	6
18	Termoenergi Norge AS	Sandefjord	11-50	10	2
19	Node Rådgivende Ingeniører AS	n/a	11-50	9	6
20	Variable	Oslo	1-10	8	5
21	Helgeland Kraft Strøm	Mosjoen	11-50	8	4
22	Stakeholder AS	Oslo	1-10	7	7
23	ECO Corporate	Oslo	1-10	6	5
24	Elektroutvikling AS	Honefoss	1-10	6	4
25	Footstep AS	Oslo	1-10	5	2

Showing 25 of 122 clean energy consultancy companies based in Norway

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Clean energy consultancy companies based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 38 HQs

41Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Clean energy consultancy companies by metro

Metro	Companies
Clean energy consultancy companies in Oslo	38
Clean energy consultancy companies in Trondheim	7
Clean energy consultancy companies in Stavanger	5
Clean energy consultancy companies in Drammen	4
Clean energy consultancy companies in Alesund	2
Clean energy consultancy companies in Stabekk	2
Clean energy consultancy companies in Fredrikstad	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 consultancy 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; 2 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 consultancy companies are there based in Norway?

There are 122 clean energy consultancy companies headquartered in Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

ANEO, headquartered in Trondheim, tops this list with the largest team on record.

Which city has the most clean energy consultancy companies?

Oslo leads with 38 headquartered companies, followed by Trondheim (7) and Stavanger (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 373 verified decision-maker contacts tracked across these 122 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.