Company lists · Data verified August 2026

Top 25 Clean energy consulting firms based in the Netherlands

Name: Clean energy consulting firms based in the Netherlands
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 899 companies tracked

There are 899 clean energy consulting firms headquartered in the Netherlands (RevenueBase, August 2026). RevenueBase tracks 6,581 professional contacts across them, including 2,769 with verified work emails and 559 with mobile numbers. Amsterdam is the largest hub.

This list covers clean energy consulting firms headquartered in the Netherlands, 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.

899Companies

6,581Contacts tracked

2,769Verified emails

559Mobile numbers

Unlock all 899 companies Free account · no credit card · 2 minutes

The 25 largest clean energy consulting firms based in the Netherlands

Ranked by team size

Top 25 of 899 clean energy consulting firms based in the Netherlands, 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	Groendus	Utrecht	51-200	196	121
2	Wave International	Rotterdam	201-500	191	128
3	Adviesbureau DWA	Rijssen	51-200	156	98
4	JD Ross Energy	Bt	201-500	138	47
5	Viegand Maagøe	Ax	51-200	133	4
6	CENSO	Nieuwegein	51-200	115	83
7	Green Giraffe Advisory	Cb	51-200	114	51
8	Duurzaam Energie Perspectief	Ah	51-200	109	64
9	Ventolines	Almere	51-200	101	75
10	AFS Energy	Amsterdam	51-200	85	24
11	IF Technology	Arnhem	51-200	79	56
12	Petrogenium	Amsterdam	201-500	79	53
13	Hinicio	n/a	51-200	76	39
14	Bluefield	Ad	51-200	70	36
15	ENVEN	Rotterdam	11-50	70	26
16	Anexo Energy	Poeldijk	51-200	69	47
17	Energyprofs	Herveld	51-200	65	45
18	Pondera	Arnhem	51-200	65	35
19	Triple EEE Global Solutions	Rijswijk	51-200	50	13
20	Outsmart	Arnhem	51-200	44	24
21	Energiepartners	Bb	11-50	41	18
22	DAREL	Rotterdam	11-50	41	17
23	NEW Energy Systems	Schimmert	51-200	40	27
24	Techniplan Adviseurs	Gg	11-50	40	15
25	Alba Concepts	Vb	11-50	38	27

Showing 25 of 899 clean energy consulting firms based in the Netherlands

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,769 reachable decision-makers.

Free account · no credit card

See all 899 companies

Clean energy consulting firms based in the Netherlands at a glance

As of Aug 28, 2026

1-10Median size (employees)

AmsterdamLargest hub · 67 HQs

559Contacts with mobile numbers

20Emails re-verified in last 30 days

Companies by employee count

1-10

668

11-50

177

51-200

201-500

501-1,000

Clean energy consulting firms by metro

Metro	Companies
Clean energy consulting firms in Amsterdam	67
Clean energy consulting firms in Utrecht	41
Clean energy consulting firms in Rotterdam	34
Clean energy consulting firms in The Hague	18
Clean energy consulting firms in Arnhem	17
Clean energy consulting firms in S-Hertogenbosch	11
Clean energy consulting firms in Apeldoorn	9

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 the Netherlands.
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; 20 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 the Netherlands?

There are 899 clean energy consulting firms headquartered in the Netherlands as of August 2026 (RevenueBase).

What is the largest company on this list?

Groendus, headquartered in Utrecht, tops this list with the largest team on record.

Which city has the most clean energy consulting firms?

Amsterdam leads with 67 headquartered companies, followed by Utrecht (41) and Rotterdam (34).

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 2,769 verified decision-maker contacts tracked across these 899 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 899 clean energy consulting firms based in the Netherlands. Start with a free account, no credit card.

Get the full list

Related lists

Clean energy consulting firms by geography

Browse the directory

Browse: Companies home · All Netherlands lists · All Clean energy consulting 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.