Company lists · Data refreshed September 2026

Top 25 Renewable energy consulting companies based in Belgium

Name: Renewable energy consulting companies based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 243 companies tracked

RevenueBase identified 243 company matches for renewable energy consulting companies associated with Belgium as of September 2026 and tracks 2,571 professional contacts across them, including 661 with verified work emails. Brussels is the largest hub.

This list covers company matches for renewable energy consulting companies 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 September 17, 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 Sep 17, 2026 How this list was built

243Companies

2,571Contacts tracked

661Verified emails

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The 25 largest renewable energy consulting companies based in Belgium

Ranked by team size

Top 25 of 243 company matches for renewable energy consulting companies based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Eneco Belgium	Exact match	Mechelen, BelgiumHQ recorded Sep 17, 2026	201-500	250 contacts →
	Exact match “Eneco Belgium is a sustainable energy provider.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	AESA	Exact match	Brussels, BelgiumHQ recorded Sep 17, 2026	51-200	128 contacts →
	Exact match “AESA is a leading European management consultancy, providing technical assistance and project management services in Low and Middle income countries as well as in Transition…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Enersol	Exact match	Battice, BelgiumHQ recorded Sep 17, 2026	51-200	101 contacts →
	Exact match “Depuis 2005, notre objectif est d’accompagner nos clients dans la transition énergétique de leurs bâtiments privés ou professionnels.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	E&c Consultants	Exact match	Kortrijk, BelgiumHQ recorded Sep 17, 2026	51-200	100 contacts →
	Exact match “E&C is an energy consultancy with an international team of energy experts that offer a unique blend of global capabilities and local expertise.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Hinicio	Exact match	Brussels, BelgiumHQ recorded Sep 17, 2026	51-200	76 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 · Sep 17, 2026 · View company records in RevenueBase
6	Deplasse	Exact match	Watermael-boitsfort, BelgiumHQ recorded Sep 17, 2026	51-200	74 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 · Sep 17, 2026 · View company records in RevenueBase
7	CES Group	Exact match	Asse, BelgiumHQ recorded Sep 17, 2026	51-200	56 contacts →
	Exact match “CES provides a consulting service in the areas of energy, technical installations and processing.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Broptimize Energy	Exact match	Remicourt, BelgiumHQ recorded Sep 17, 2026	51-200	51 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 · Sep 17, 2026 · View company records in RevenueBase
9	Linea Trovata Group	Exact match	Lokeren, BelgiumHQ recorded Sep 17, 2026	51-200	48 contacts →
	Exact match “Zonnepanelen, batterijen, laadinfrastructuur slimme sturingen en warmte- en koeloplossingen?” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Insaver	Exact match	Houthalen, BelgiumHQ recorded Sep 17, 2026	51-200	45 contacts →
	Exact match “At Insaver, we guide you every step of the way toward a low-carbon future.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Bureau D'études A Concept	Exact match	Liège, BelgiumHQ recorded Sep 17, 2026	11-50	38 contacts →
	Exact match “A+ Concept est un bureau d'études composé d'experts énergétiques et ingénieurs spécialisés dans les techniques du bâtiment.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Consultes	Exact match	Zwevegem, BelgiumHQ recorded Sep 17, 2026	11-50	34 contacts →
	Exact match “Consultes is een allround partner voor bedrijven op vlak van milieu, preventie, energie en duurzaamheid.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	DR EA M	Exact match	Pont-à-celles, BelgiumHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “DR(EA)²M est un bureau d’études spécialisé dans les matières du développement territorial, de l’aménagement urbain et paysager, de l’environnement, de l’architecture et de…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Coretec Energy	Exact match	Angleur, BelgiumHQ recorded Sep 17, 2026	11-50	26 contacts →
	Exact match “ACTIVITÉS ET PRODUITS CORETEC, votre partenaire vers une gestion durable et performante de votre énergie, a comme principal objectif de réduire la facture énergétique et donc…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	We Green Belgium	Exact match	Zaventem, BelgiumHQ recorded Sep 17, 2026	11-50	24 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 · Sep 17, 2026 · View company records in RevenueBase
16	Ecopuur	Exact match	9850, BelgiumHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Helexia Belgium	Exact match	Antwerp, BelgiumHQ recorded Sep 17, 2026	201-500	23 contacts →
	Exact match “Helexia is your all-in-one partner for accelerating your energy transition.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	ENSYS	Exact match	Kapellen, BelgiumHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “As specialists in the field of renewable energy and energy efficiency, we offer unique proposals to both individuals and businesses.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Correggio Consulting LTD	Exact match	Brussels, BelgiumHQ recorded Sep 17, 2026	1-10	17 contacts →
	Exact match “We advise established global energy businesses, start-ups, governments and international organisations on all aspects of the energy commodity trading and market rules.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Peritas	Exact match	Antwerp, BelgiumHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Bij Peritas bieden we onze klanten niet alleen betrouwbare, energie-efficiënte oplossingen voor hun engineeringprojecten, maar zetten we ook in op innovatie en efficiëntie.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Seca Engineering	Exact match	BelgiumHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “SECA BENELUX, après plus de 25 ans au sein du Groupe SECA, a décidé de poursuivre son développement en dehors du Groupe SECA, tout en maintenant un partenariat privilégié.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Matriciel	Exact match	Louvain-la-neuve, BelgiumHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “L'activité de la société MATRIciel vise une MEILLEURE PERFORMANCE ENERGETIQUE ET ENVIRONNEMENTALE DES BATIMENTS dans le cadre du développement durable par une participation active…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Suntronics	Exact match	Sint-eloois-winkel, BelgiumHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “SunTronics is gespecialiseerd in engineering, verkoop, installatie en service van installaties die energie produceren uit hernieuwbare energiebronnen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Sogreen	Exact match	Fexhe-le-haut-clocher, BelgiumHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “SoGreen est une société active dans le secteur des énergies renouvelables et techniques spéciales.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Denercon	Exact match	Berchem, BelgiumHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Denercon is an energy consulting company created by Michaël Deneve and is based in Antwerp, Belgium.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “renewable energy consulting companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 243 renewable energy consulting companies based in Belgium

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Renewable energy consulting companies based in Belgium at a glance

As of Sep 17, 2026

25.7%Verified-email coverage

10.6Average contacts per company

1-10Median size (employees)

11.5%Largest-city concentration · Brussels

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

166

11-50

51-200

201-500

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 243 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 “renewable energy consulting companies” 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 661 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 September 17, 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.

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 “renewable energy consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy consulting companies are there based in Belgium?

RevenueBase identified 243 company matches for renewable energy consulting companies associated with Belgium as of September 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?

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

Which city has the most renewable energy consulting companies?

Brussels leads with 28 company records, followed by Antwerp (7) and Liege (4).

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 661 professional contacts with verified work emails tracked across these 243 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 September 17, 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.