Company lists · Data refreshed October 2026

Top 25 Building performance optimization companies based in Belgium

Name: Building performance optimization companies based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 178 companies tracked

RevenueBase identified 178 company matches for building performance optimization companies associated with Belgium as of October 2026 and tracks 6,767 professional contacts across them, including 2,284 with verified work emails. Brussels is the largest hub.

This list covers company matches for building performance optimization 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 October 9, 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 9, 2026 How this list was built

178Companies

6,767Contacts tracked

2,284Verified emails

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The 25 largest building performance optimization companies based in Belgium

Ranked by team size

Top 25 of 178 company matches for building performance optimization companies based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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	Equans Belux	Exact match	Brussels, BelgiumHQ recorded Oct 9, 2026	5,001-10,000	5,347 contacts →
	Exact match “What if you could use your talent to contribute to the great challenges of tomorrow?” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	Reno Energy	Exact match	Liège (angleur), BelgiumHQ recorded Oct 9, 2026	51-200	103 contacts →
	Exact match “Reno Energy est une entreprise spécialisée dans le secteur de la rénovation énergétique mais aussi dans la nouvelle construction.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	Climagroup	Exact match	Alken, BelgiumHQ recorded Oct 9, 2026	201-500	70 contacts →
	Exact match “Professionele HVAC-expert, gericht op jouw sector Climagroup is dé referentiepartner voor klimatisatie en ventilatie.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	Deplasse	Exact match	Watermael-boitsfort, BelgiumHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
5	Luminus Solutions	Exact match	Brussels, BelgiumHQ recorded Oct 9, 2026	11-50	58 contacts →
	Exact match “Together, let’s take on the energy transition challenge!” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	CES Group	Exact match	Asse, BelgiumHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
7	The Energy Circle	Exact match	Hasselt, BelgiumHQ recorded Oct 9, 2026	201-500	44 contacts →
	Exact match “Van onderhoud & monitoring, elektrische installaties & groene stroom, tot waterbeheer & HVAC-systemen: The Energy Circle heeft alle expertise in huis om grote gebouwen en…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Bureau D'études A Concept	Exact match	Liège, BelgiumHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
9	AIR Ambiance SA	Exact match	Battice, BelgiumHQ recorded Oct 9, 2026	11-50	28 contacts →
	Exact match “ÉCOLOGIE - ÉCONOMIE - QUALITÉ Air Ambiance a pour mission: de répondre aux besoins de chauffage, de climatisation, de réfrigération et de ventilation en proposant un service…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	Goessens	Exact match	Hannut, BelgiumHQ recorded Oct 9, 2026	51-200	28 contacts →
	Exact match “Goessens est une société spécialisée dans l'installation de systèmes de chauffage, de ventilation et de climatisation.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	Misko Ingénieurs-Conseils	Exact match	Bastogne, BelgiumHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
12	ESE	Exact match	Veurne, BelgiumHQ recorded Oct 9, 2026	51-200	25 contacts →
	Exact match “Op maat van elke individuele klant werkt ESE de technisch optimale en meest economische oplossing uit voor hun specifieke energie problemen en dit steeds vanuit een ecologisch…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	Group VHC	Exact match	Overijse, BelgiumHQ recorded Oct 9, 2026	51-200	24 contacts →
	Exact match “Group VHC zorgt al meer dan 25 jaar voor slimme oplossingen in verwarming, koeling, ventilatie en zonne energie.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	Soltis	Exact match	Evere, BelgiumHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
15	Delpower	Exact match	Thimister-clermont, BelgiumHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
16	Ecopuur	Exact match	9850, BelgiumHQ recorded Oct 9, 2026	11-50	22 contacts →
	Exact match “Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Zaman Yves & C	Exact match	Ghent, BelgiumHQ recorded Oct 9, 2026	51-200	21 contacts →
	Exact match “Zaman is een professionele technisch dienstverlener voor installaties op de professionele en industriële markt.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	Priva Building Automation Belgium	Exact match	2550 Kontich, BelgiumHQ recorded Oct 9, 2026	201-500	20 contacts →
	Exact match “Priva Building Automation helps owners, developers and investors to build environments that make people feel better while using energy in the most sustainable manner possible.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	Wattson NV	Exact match	Ghent, BelgiumHQ recorded Oct 9, 2026	11-50	19 contacts →
	Exact match “Wattson maakt van gebouwen de gangmakers van de energietransitie.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	VAN Cauter Multitechnieken	Exact match	Lede, BelgiumHQ recorded Oct 9, 2026	51-200	19 contacts →
	Exact match “Algemene Elektriciteit HVAC Beveiliging Energiebeheer Project en Onderhoud” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	EMAZE	Exact match	Ghent, BelgiumHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
22	Thermia SRL	Exact match	Leuze, BelgiumHQ recorded Oct 9, 2026	11-50	17 contacts →
	Exact match “Thermia est spécialisée dans la régulation HVAC, la fabrication de tableaux de régulation et l’intégration des systèmes techniques du bâtiment.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	Denercon	Exact match	Berchem, BelgiumHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
24	TEM	Exact match	BelgiumHQ recorded Oct 9, 2026	201-500	17 contacts →
	Exact match “TECHNICAL EQUIPMENT MAINTENANCE-TECHNILIFT is a construction company based out of 112 Rue de Fierlant, Forest, Belgium.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	Dnergy	Exact match	Brussels, BelgiumHQ recorded Oct 9, 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 9, 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 “building performance optimization 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 178 building performance optimization companies based in Belgium

See the full list, filter by size, metro and specialty, and access 2,284 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building performance optimization companies based in Belgium at a glance

As of Oct 9, 2026

33.8%Verified-email coverage

38.0Average contacts per company

1-10Median size (employees)

3.9%Largest-city concentration · Brussels

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

115

11-50

51-200

201-500

5,001-10,000

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 178 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 “building performance optimization 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 2,284 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 9, 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 “building performance optimization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many building performance optimization companies are there based in Belgium?

RevenueBase identified 178 company matches for building performance optimization companies 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?

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

Which city has the most building performance optimization companies?

Brussels leads with 7 company records, followed by Ghent (6) and Liege (6).

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 2,284 professional contacts with verified work emails tracked across these 178 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 9, 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.