Company lists · Data refreshed November 2026

Top 25 Clean energy transition consultants based in Belgium

RevenueBase identified 128 company matches for clean energy transition consultants associated with Belgium as of November 2026 and tracks 2,334 professional contacts across them, including 1,189 with verified work emails. Brussels is the largest hub.

This list covers company matches for clean energy transition consultants associated with Belgium, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
128Companies
2,334Contacts tracked
1,189Verified emails
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The 25 largest clean energy transition consultants based in Belgium

Ranked by team size
Top 25 of 128 company matches for clean energy transition consultants based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMol, BelgiumHQ recorded Nov 6, 20261,001-5,0001,153 contacts →

Exact match

“VITO is an independent Flemish research organisation in the area of cleantech and sustainable development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBrussels, BelgiumHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“Founded in 2006, HINICIO is a strategic consulting firm specialized in the decarbonization challenges of hard-to-abate sectors, with more than 20 years of experience in hydrogen…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWatermael-boitsfort, BelgiumHQ recorded Nov 6, 202651-20070 contacts →

Exact match

“Deplasse est un bureau d’études et de conseils qui offre une vision globale et transversale sur la transition énergétique incluant expertise technique, approche patrimoniale et…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBrussels, BelgiumHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“Together, let’s take on the energy transition challenge!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBrussels, BelgiumHQ recorded Nov 6, 202611-5057 contacts →

Exact match

“CLIMACT empowers organizations, cities and public authorities to understand climate change and to achieve a zero-carbon sustainable society by 2050.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLokeren, BelgiumHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“Zonnepanelen, batterijen, laadinfrastructuur slimme sturingen en warmte- en koeloplossingen?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRemicourt, BelgiumHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Fondée en 2016 par deux frères, Sébastien et Michael Menu et issue de l'Université de Liège, Broptimize est aujourd'hui la référence en matière d'accompagnement dans la transition…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBelgiumHQ recorded Nov 6, 2026501-1,00031 contacts →

Exact match

“We believe in the impact and power of energy within the green and sustainable environment, lived and realised by people and community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBrussels, BelgiumHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Driven by the urgency of climate action, D-Carbonize helps industrial companies turn decarbonization into a lever for performance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchZaventem, BelgiumHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“We Green vise à réduire la dépendance de ses clients aux sources d'énergie non-durables afin de diminuer leurs émissions de carbone via des solutions énergétiques vertes et…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBrussels, BelgiumHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“CO2logic joined the South Pole Group in 2021, forming the world’s largest climate solutions provider and carbon project developer.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBrussels, BelgiumHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“World's gone nuts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAntwerp, BelgiumHQ recorded Nov 6, 2026201-50021 contacts →

Exact match

“Helexia is your all-in-one partner for accelerating your energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGhent, BelgiumHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Wattson maakt van gebouwen de gangmakers van de energietransitie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBeringen, BelgiumHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Wij bij Exergie, willen de wereld verduurzamen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrussels, BelgiumHQ recorded Nov 6, 20261-1015 contacts →

Exact match

“Zero Carbon Analytics is an international research group providing insights and analysis about climate change and the energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBrussel, BelgiumHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“PowerBee is a powerful partner for companies in the energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchOostende, BelgiumHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“AG Oostende - Energiehuis / Samen naar een energiezuinige, comfortabele en leefbare toekomst Bij AG Oostende - Energiehuis zetten we ons in om actief bij te dragen aan de strijd…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBeringen, BelgiumHQ recorded Nov 6, 202651-20011 contacts →

Exact match

“We zorgen dat de zon u energie geeft!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAntwerp, BelgiumHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“We are planning the path to climate neutrality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact match9000, BelgiumHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Bij Solitec zetten we ons in om bedrijven en particulieren te helpen in hun transitie naar een duurzamere toekomst, met oplossingen die niet alleen energie-efficiënt maar ook…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGenk, BelgiumHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Bij B-EA (Bouw & Energie Advies) ondersteunen we bouwheren, architecten en ontwikkelaars met praktisch energieadvies voor nieuwbouw- en renovatieprojecten.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchGierle, BelgiumHQ recorded Nov 6, 202611-508 contacts →

Exact match

“AETEC maakt haar klanten baas over eigen energie Of de energiewereld steeds meer elektrisch wordt, is geen vraag meer, maar een zekerheid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchYvoir, BelgiumHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Watt Else is a consultancy company specialised in sustainable energy and energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchTurnhout, BelgiumHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Transition Stories brengt de energietransitie in een hogere versnelling.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 128 clean energy transition consultants based in Belgium

See the full list, filter by size, metro and specialty, and access 1,189 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clean energy transition consultants based in Belgium at a glance

As of Nov 6, 2026
50.9%Verified-email coverage
18.2Average contacts per company
1-10Median size (employees)
21.1%Largest-city concentration · Brussels
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
85
11-50
29
51-200
7
201-500
3
501-1,000
1
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 128 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Belgium whose business descriptions match “clean energy transition consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,189 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Clean energy transition consultants by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “clean energy transition consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clean energy transition consultants are there based in Belgium?

RevenueBase identified 128 company matches for clean energy transition consultants associated with Belgium as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

VITO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most clean energy transition consultants?

Brussels leads with 27 company records, followed by Antwerp (6) and Ghent (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,189 professional contacts with verified work emails tracked across these 128 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.