Company lists · Data refreshed September 2026

Top 23 Green energy consulting firms based in the Netherlands

RevenueBase identified 892 green energy consulting firms headquartered in the Netherlands as of September 2026 and tracks 6,648 professional contacts across them, including 2,952 with verified work emails and 542 with mobile numbers. Amsterdam is the largest hub.

This list covers green 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 3, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 3, 2026 86% judged on-target in blind review
892Companies
6,648Contacts tracked
2,952Verified emails
542Mobile numbers
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The 23 largest green energy consulting firms based in the Netherlands

Ranked by team size
Top 23 of 892 green energy consulting firms based in the Netherlands, ranked by team size, largest first. Data refreshed Sep 3, 2026. RevenueBase Smart Search rates how each company's information relates to green energy consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceUtrecht, NetherlandsHQ checked Sep 3, 202651-200196 contacts →

Indirect evidence

“Aangenaam.”

Source: RevenueBase Database · checked Sep 3, 2026
2Partial evidenceGroningen, NetherlandsHQ checked Sep 3, 202651-200170 contacts →

Partial evidence

“New energy.”

Source: RevenueBase Database · checked Sep 3, 2026
3Partial evidenceGouda, NetherlandsHQ checked Sep 3, 202651-200156 contacts →

Partial evidence

“DWA building services & energy consultants is a consultancy firm that offers research and consultancy services on the field of renewable energy and energy efficiency in the built…”

Source: RevenueBase Database · checked Sep 3, 2026
4Indirect evidenceNieuwegein, NetherlandsHQ checked Sep 3, 202651-200115 contacts →

Indirect evidence

“Wij zijn dé duurzame adviseurs van zakelijk Nederland.”

Source: RevenueBase Database · checked Sep 3, 2026
5Partial evidenceUtrecht, NetherlandsHQ checked Sep 3, 202651-200114 contacts →

Partial evidence

“Green Giraffe Advisory is the pioneering advisory arm of the Green Giraffe Group, dedicated to pushing the next frontier in finance and climate.”

Source: RevenueBase Database · checked Sep 3, 2026
6Partial evidenceAh, NetherlandsHQ checked Sep 3, 202651-200109 contacts →

Partial evidence

“Wij zijn Duurzaam Energie Perspectief, dé technisch consultants op het gebied van energiesystemen.”

Source: RevenueBase Database · checked Sep 3, 2026
7Partial evidenceAlmere, NetherlandsHQ checked Sep 3, 202651-200101 contacts →

Partial evidence

“Ventolines is a leading agency in the dynamic renewable energy market with expertise in all phases of wind, solar and storage projects: development, contracting, legal services…”

Source: RevenueBase Database · checked Sep 3, 2026
8Partial evidenceEh, NetherlandsHQ checked Sep 3, 202651-20097 contacts →

Partial evidence

“DELTA geeft je positieve energie!”

Source: RevenueBase Database · checked Sep 3, 2026
9Partial evidenceArnhem, NetherlandsHQ checked Sep 3, 202651-20079 contacts →

Partial evidence

“At IF Technology we are committed to the transition from the use of fossil fuels to sustainable energy.”

Source: RevenueBase Database · checked Sep 3, 2026
10Partial evidenceRotterdam, NetherlandsHQ checked Sep 3, 202611-5070 contacts →

Partial evidence

“Wij zijn Enven, een gecertificeerd adviesbureau voor het leveren en registeren van energielabels en verduurzamingsadviezen.”

Source: RevenueBase Database · checked Sep 3, 2026
11Indirect evidencePoeldijk, NetherlandsHQ checked Sep 3, 202651-20069 contacts →

Indirect evidence

“Omdat zien iets anders is als kijken” Wij willen een leefbare en duurzame samenleving voor iedereen en geloven in de kracht van innovatie en synergie om dit te bereiken.”

Source: RevenueBase Database · checked Sep 3, 2026
12Indirect evidenceHerveld, NetherlandsHQ checked Sep 3, 202651-20065 contacts →

Indirect evidence

“In ons werk stellen we mensen centraal.”

Source: RevenueBase Database · checked Sep 3, 2026
13Indirect evidenceArnhem, NetherlandsHQ checked Sep 3, 202651-20065 contacts →

Indirect evidence

“Pondera – a globally operating planning and development consultancy – aims to play a role in reducing the emission of greenhouse gases.”

Source: RevenueBase Database · checked Sep 3, 2026
14Partial evidenceBodegraven, NetherlandsHQ checked Sep 3, 202651-20044 contacts →

Partial evidence

“Lek/Habo is specialized in the engineering, installation and maintenance of sustainable energy installations.”

Source: RevenueBase Database · checked Sep 3, 2026
15Partial evidenceArnhem, NetherlandsHQ checked Sep 3, 202651-20044 contacts →

Partial evidence

“Maximizing your energy potential OutSmart is an independent team of 45 renewable energy specialists, dedicated to optimizing wind, solar, and storage projects.”

Source: RevenueBase Database · checked Sep 3, 2026
16Partial evidenceUtrecht, NetherlandsHQ checked Sep 3, 202611-5041 contacts →

Partial evidence

“De wereld verduurzamen, daar krijgen wij energie van.”

Source: RevenueBase Database · checked Sep 3, 2026
17Indirect evidenceRotterdam, NetherlandsHQ checked Sep 3, 202611-5041 contacts →

Indirect evidence

“The clock is ticking.”

Source: RevenueBase Database · checked Sep 3, 2026
18Partial evidenceSchimmert, NetherlandsHQ checked Sep 3, 202651-20040 contacts →

Partial evidence

“New Energy Systems adviseert, ontwerpt, levert en installeert systemen voor de opwekking en het gebruik van duurzame energie in woon- en werkomgevingen.”

Source: RevenueBase Database · checked Sep 3, 2026
19Partial evidenceGg, NetherlandsHQ checked Sep 3, 202611-5040 contacts →

Partial evidence

“Ontdek Techniplan Adviseurs: dé pioniers die al sinds 1978 voorlopen in installaties, energie en milieu!”

Source: RevenueBase Database · checked Sep 3, 2026
20Indirect evidenceVb, NetherlandsHQ checked Sep 3, 202611-5038 contacts →

Indirect evidence

“Bewust buiten de lijntjes.”

Source: RevenueBase Database · checked Sep 3, 2026
21Partial evidenceAmsterdam, NetherlandsHQ checked Sep 3, 202611-5038 contacts →

Partial evidence

“Built for corporate energy and sustainability teams, Flexidao combines powerful data collection, analytics, and expert advisory to optimize renewable energy contract performance…”

Source: RevenueBase Database · checked Sep 3, 2026
22Partial evidenceAa, NetherlandsHQ checked Sep 3, 202611-5036 contacts →

Partial evidence

“Enpron realiseert een duurzame, betrouwbare en betaalbare energievoorziening voor bedrijven.”

Source: RevenueBase Database · checked Sep 3, 2026
23Indirect evidenceBx, NetherlandsHQ checked Sep 3, 202611-5036 contacts →

Indirect evidence

“Krachtwerk supports organizations in achieving their sustainability targets.”

Source: RevenueBase Database · checked Sep 3, 2026

Showing 23 of 892 green energy consulting firms based in the Netherlands

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Green energy consulting firms based in the Netherlands at a glance

As of Sep 3, 2026
44.4%Verified-email coverage
8.2%Mobile-number coverage
7.5Average contacts per company
1-10Median size (employees)
7.3%Largest-city concentration · Amsterdam
Sep 3, 2026Page data refreshed

Companies by employee count

1-10
654
11-50
184
51-200
45
201-500
4
501-1,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among green energy consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the Netherlands whose own description of what they do matches “green energy consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names green energy consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among green energy consulting firms, and records with no verified work email. Companies headquartered outside Netherlands are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 2,952 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 3, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names green energy consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many green energy consulting firms are there based in the Netherlands?

RevenueBase identified 892 green energy consulting firms headquartered in the Netherlands as of September 2026, matched on each company's own description of what it does rather than its industry code.

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 green energy consulting firms?

Amsterdam leads with 65 headquartered companies, followed by Utrecht (33) and Rotterdam (31).

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 2,952 verified decision-maker contacts tracked across these 892 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 3, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.