Company lists · Data refreshed September 2026
Top 25 Renewable energy consultancy companies based in the Netherlands
RevenueBase identified 790 renewable energy consultancy companies headquartered in the Netherlands as of September 2026 and tracks 7,399 professional contacts across them, including 3,240 with verified work emails and 498 with mobile numbers. Amsterdam is the largest hub.
This list covers renewable energy consultancy companies 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 5, 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.
The 25 largest renewable energy consultancy companies based in the Netherlands
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 651 contacts → | ||||
Partial evidence “The Energy Transition brings new challenges and opportunities to all of us.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 428 contacts → | ||||
Partial evidence “Welkom in de boeiende wereld van de energietransitie.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 407 contacts → | ||||
Partial evidence “Photon Energy Group is a group of companies with a shared mission: making clean energy, clean water and clean environments accessible to all.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 194 contacts → | ||||
Indirect evidence “Aangenaam.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 157 contacts → | ||||
Strong 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 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 116 contacts → | ||||
Indirect evidence “Wij zijn dé duurzame adviseurs van zakelijk Nederland.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 110 contacts → | ||||
Indirect 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 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 109 contacts → | ||||
Strong evidence “Wij zijn Duurzaam Energie Perspectief, dé technisch consultants op het gebied van energiesystemen.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 101 contacts → | ||||
Strong 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 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 98 contacts → | ||||
Partial evidence “DELTA Energie is dé Zeeuwse energieleverancier voor heel Nederland.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 89 contacts → | ||||
Partial evidence “Ecorus turns large-scale energy projects into predictable energy assets.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 88 contacts → | ||||
Strong evidence “AFS Energy is a leading intermediary operating in the sustainability and renewable energy market.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 80 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 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 69 contacts → | ||||
Partial evidence “Wij zijn Enven, een gecertificeerd adviesbureau voor het leveren en registeren van energielabels en verduurzamingsadviezen.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 64 contacts → | ||||
Indirect evidence “In ons werk stellen we mensen centraal.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 62 contacts → | ||||
Strong evidence “As renewable energy project consultants, we provide market parties and governments with the expertise and tools required.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 60 contacts → | ||||
Strong evidence “Fortis Energy is an international renewable energy investor and Independent Power Producer, active across Europe, from the Netherlands and Central & Eastern Europe to the…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 60 contacts → | ||||
Partial evidence “Bij Zelfstroom geven we al sinds 2014 energie, zodat iedereen kan meedoen aan de energietransitie.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 58 contacts → | ||||
Indirect evidence “Trinomics B.V.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 48 contacts → | ||||
Partial evidence “Energy for tomorrow's planet.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 44 contacts → | ||||
Strong 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 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 44 contacts → | ||||
Partial evidence “Lek/Habo is specialized in the engineering, installation and maintenance of sustainable energy installations.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 43 contacts → | ||||
Indirect evidence “Advance Consulting is a specialized international consulting firm that works across the globe advising companies, public organisations and NGOs on private sector development, with…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 41 contacts → | ||||
Indirect evidence “Welkom bij RSK Netherlands, onderdeel van de RSK Group PLC.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 41 contacts → | ||||
Indirect evidence “The clock is ticking.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: renewable energy consultancy companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names renewable energy consultancy companies.
- Partial evidence
- Its own public description names part of renewable energy consultancy companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name renewable energy consultancy companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 790 renewable energy consultancy companies based in the Netherlands
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Renewable energy consultancy companies based in the Netherlands at a glance
As of Sep 5, 2026Companies by employee count
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 renewable energy consultancy companies, 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 “renewable energy consultancy companies”. 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 renewable energy consultancy companies), 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 renewable energy consultancy companies, 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, 3,240 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 5, 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.
Renewable energy consultancy companies by metro
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 renewable energy consultancy companies, 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 renewable energy consultancy companies are there based in the Netherlands?
RevenueBase identified 790 renewable energy consultancy companies 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?
WTS Energy, headquartered in The Hague, tops this list with the largest team on record.
Which city has the most renewable energy consultancy companies?
Amsterdam leads with 55 headquartered companies, followed by Rotterdam (25) and Utrecht (23).
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 3,240 verified decision-maker contacts tracked across these 790 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 5, 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.
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