Company lists · Data refreshed October 2026

Top 25 Facility energy efficiency consultants based in Belgium

Name: Facility energy efficiency consultants based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 139 companies tracked

RevenueBase identified 139 company matches for facility energy efficiency consultants associated with Belgium as of October 2026 and tracks 1,064 professional contacts across them, including 389 with verified work emails. Brussels is the largest hub.

This list covers company matches for facility energy efficiency 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 October 12, 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 Oct 12, 2026 How this list was built

139Companies

1,064Contacts tracked

389Verified emails

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The 25 largest facility energy efficiency consultants based in Belgium

Ranked by team size

Top 25 of 139 company matches for facility energy efficiency consultants based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	INDEA	Exact match	Aalst, BelgiumHQ recorded Oct 12, 2026	n/a	118 contacts →
	Exact match “Wij helpen industriële bedrijven hun energiekosten te verminderen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Deplasse	Exact match	Watermael-boitsfort, BelgiumHQ recorded Oct 12, 2026	51-200	63 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 · Oct 12, 2026 · View company records in RevenueBase
3	CES Group	Exact match	Asse, BelgiumHQ recorded Oct 12, 2026	51-200	58 contacts →
	Exact match “CES provides a consulting service in the areas of energy, technical installations and processing.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Broptimize Energy	Exact match	Remicourt, BelgiumHQ recorded Oct 12, 2026	51-200	41 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 · Oct 12, 2026 · View company records in RevenueBase
5	MK Engineering	Exact match	Brussels, BelgiumHQ recorded Oct 12, 2026	11-50	39 contacts →
	Exact match “Bureau d'Etudes en Design Energétique du Bâtiment, MK Engineering s'est forgé une solide expérience en conception très basse énergie avec ses services de Conseil aux Architecte et…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Bureau D'études A Concept	Exact match	Liège, BelgiumHQ recorded Oct 12, 2026	11-50	37 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 · Oct 12, 2026 · View company records in RevenueBase
7	Misko Ingénieurs-Conseils	Exact match	Bastogne, BelgiumHQ recorded Oct 12, 2026	11-50	26 contacts →
	Exact match “Le bureau Misko ingénieurs-conseils est spécialisé dans les études énergétiques et techniques du bâtiment.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Coretec Energy	Exact match	Angleur, BelgiumHQ recorded Oct 12, 2026	11-50	24 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 · Oct 12, 2026 · View company records in RevenueBase
9	Soltis	Exact match	Evere, BelgiumHQ recorded Oct 12, 2026	11-50	24 contacts →
	Exact match “Soltis est une entreprise créée en 2008 qui accompagne professionnels et particuliers dans la mise en place de solutions vertes et rentables avec un seul but: améliorer…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Delpower	Exact match	Thimister-clermont, BelgiumHQ recorded Oct 12, 2026	11-50	23 contacts →
	Exact match “DELPOWER is an energy efficiency engineering company dedicated to optimising energy costs for tertiary and industrial customers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Ecopuur	Exact match	9850, BelgiumHQ recorded Oct 12, 2026	11-50	22 contacts →
	Exact match “Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Wattson NV	Exact match	Ghent, BelgiumHQ recorded Oct 12, 2026	11-50	19 contacts →
	Exact match “Wattson maakt van gebouwen de gangmakers van de energietransitie.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	ODOT	Exact match	Schoten, BelgiumHQ recorded Oct 12, 2026	11-50	19 contacts →
	Exact match “Odot optimises energy management for businesses and specialises in Energy Contract Management, consumption monitoring and customised consultancy services.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	EMAZE	Exact match	Ghent, BelgiumHQ recorded Oct 12, 2026	11-50	18 contacts →
	Exact match “Emaze provides actionable energy advice for the industrial, service and public sector: Energy management - Implement an energy management system (e.g.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Denercon	Exact match	Berchem, BelgiumHQ recorded Oct 12, 2026	11-50	17 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 · Oct 12, 2026 · View company records in RevenueBase
16	Dnergy	Exact match	Brussels, BelgiumHQ recorded Oct 12, 2026	11-50	16 contacts →
	Exact match “At dnergy ®, we are committed to enabling asset and facility managers to enhance their building portfolios' energy efficiency and proactive compliance through our innovative dEEP…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Peritas	Exact match	Antwerp, BelgiumHQ recorded Oct 12, 2026	11-50	16 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 · Oct 12, 2026 · View company records in RevenueBase
18	Matriciel	Exact match	Louvain-la-neuve, BelgiumHQ recorded Oct 12, 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 · Oct 12, 2026 · View company records in RevenueBase
19	Mantis Consulting	Exact match	Ghent, BelgiumHQ recorded Oct 12, 2026	11-50	13 contacts →
	Exact match “Mantis Consulting is a Belgian based B2B consultancy firm for energy and sustainability.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Hansom Vastgoedexpertise	Exact match	Mechelen, BelgiumHQ recorded Oct 12, 2026	1-10	13 contacts →
	Exact match “Hansom specializes in energy consulting and approved by the Flemish government to deliver energy audits tax deductible (EAP) and legally mandatory energy performance certificates…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	VDB Engineering	Exact match	Mechelen, BelgiumHQ recorded Oct 12, 2026	11-50	11 contacts →
	Exact match “Bewust omgaan met energie is voor zowel bedrijven als particulieren een hot topic.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Ensatec	Exact match	Genk, BelgiumHQ recorded Oct 12, 2026	1-10	11 contacts →
	Exact match “Wij helpen jouw bedrijf van A tot Z om maatschappelijk verantwoord te ondernemen en op drie cruciale vlakken winst te boeken.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Exergie Part Of UEG	Exact match	Beringen, BelgiumHQ recorded Oct 12, 2026	11-50	11 contacts →
	Exact match “Wij bij Exergie, willen de wereld verduurzamen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Factor4	Exact match	Antwerp, BelgiumHQ recorded Oct 12, 2026	1-10	10 contacts →
	Exact match “We are planning the path to climate neutrality.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Bouw & Energie Advies By Studibo	Exact match	Genk, BelgiumHQ recorded Oct 12, 2026	11-50	9 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 · Oct 12, 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 “facility energy efficiency consultants”. 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 139 facility energy efficiency consultants based in Belgium

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Facility energy efficiency consultants based in Belgium at a glance

As of Oct 12, 2026

36.6%Verified-email coverage

7.7Average contacts per company

1-10Median size (employees)

5.8%Largest-city concentration · Brussels

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

108

11-50

51-200

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 139 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 “facility energy efficiency 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 389 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 October 12, 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 “facility energy efficiency consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many facility energy efficiency consultants are there based in Belgium?

RevenueBase identified 139 company matches for facility energy efficiency consultants associated with Belgium as of October 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?

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

Which city has the most facility energy efficiency consultants?

Brussels leads with 8 company records, followed by Ghent (6) 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 389 professional contacts with verified work emails tracked across these 139 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 October 12, 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.