Company lists · Data refreshed October 2026

Top 17 Energy efficiency testing services based in Belgium

RevenueBase identified 38 company matches for energy efficiency testing services associated with Belgium as of October 2026 and tracks 175 professional contacts across them, including 90 with verified work emails. Brussels is the largest hub.

This list covers company matches for energy efficiency testing services 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 25, 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 25, 2026 How this list was built
38Companies
175Contacts tracked
90Verified emails
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The 17 largest energy efficiency testing services based in Belgium

Ranked by team size
Top 17 of 38 company matches for energy efficiency testing services based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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 matchThimister-clermont, BelgiumHQ recorded Oct 25, 202611-5023 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 25, 2026 · View company records in RevenueBase
2Exact match9850, BelgiumHQ recorded Oct 25, 202611-5022 contacts →

Exact match

“Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3Exact matchGhent, BelgiumHQ recorded Oct 25, 202611-5018 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 25, 2026 · View company records in RevenueBase
4Exact matchNivelles, BelgiumHQ recorded Oct 25, 20261-109 contacts →

Exact match

“BUREAU D'INGENIERIE SPECIALISE EN PERFORMANCE ENERGETIQUE DES BATIMENTS.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5Exact matchMons, BelgiumHQ recorded Oct 25, 20261-109 contacts →

Exact match

“Conscient que l'énergétique dans le bâtiment rencontre un triple enjeu : social, environnemental et économique, HOMECO se veut être un des acteurs principaux dans la…”

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

Exact match

“E-nova est un bureau d’ingénieurs experts dans la performance énergétique des bâtiments, les énergies renouvelables et l'utilisation rationnelle de l'énergie.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7Exact matchBrussels, BelgiumHQ recorded Oct 25, 20261-107 contacts →

Exact match

“Que vous soyez futur acquéreur, propriétaire d’une maison, co-propriétaire dans un immeubles à appartements ou encore gestionnaire de biens immobiliers, ImmoPass apporte de la…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8Exact matchLiege, BelgiumHQ recorded Oct 25, 20261-106 contacts →

Exact match

“ELIOSYS is an independent SME with more than 15 years of experience in the field of renewable energies and environmental testing.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9Exact matchVorst, BelgiumHQ recorded Oct 25, 20261-104 contacts →

Exact match

“ENERGIE EPB verslaggeving met deskundig advies bij uw (ver)bouwproject met aftoetsing aan de huidige energie normen met opmaak van de vereiste certificaten.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10Exact matchLummen, BelgiumHQ recorded Oct 25, 20261-103 contacts →

Exact match

“Gedreven door onze liefde voor de planeet en het geloof dat we een positieve verandering teweeg kunnen brengen, helpen wij bedrijven bij het van, het van hun, en het van hun -…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11Exact matchBree, BelgiumHQ recorded Oct 25, 20261-103 contacts →

Exact match

“Bij GHW by Studibo ondersteunen we bouwheren, architecten en ontwikkelaars met energieadvies en technische studies voor bouw- en renovatieprojecten.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12Exact matchPittem, BelgiumHQ recorded Oct 25, 20261-103 contacts →

Exact match

“Verwarmingsaudit - Airco Energie Audit - Conditiemeting NEN2767”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13Exact matchGhent, BelgiumHQ recorded Oct 25, 202611-502 contacts →

Exact match

“INDUSTRIUM is an engineering & energy efficiency firm with expertise in technical challenges and is thé partner for industry and retail in ea.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14Exact matchAntwerp, BelgiumHQ recorded Oct 25, 20261-102 contacts →

Exact match

“De hoeveelheid aan energie die nodig is een woning te koelen en te verwarmen, wordt uitgedrukt in de Energie Prestatie Coëfficiënt (EPC-cijfer).”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15Exact matchRotselaar, BelgiumHQ recorded Oct 25, 20261-102 contacts →

Exact match

“NRGeek advances efficient use of energy in companies and power plants.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16Exact matchOttignies-louvain-la-neuve, BelgiumHQ recorded Oct 25, 20261-101 contacts →

Exact match

“PEB Smart – Votre Partenaire de confiance pour vos Certificats PEB et Audits Logement Bienvenue chez PEB Smart!”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17Exact matchOuwegem, BelgiumHQ recorded Oct 25, 20261-101 contacts →

Exact match

“Ecoplatform is dé partner voor een energieaudit of EPC NR van uw bedrijfsgebouw.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase

Showing 17 of 38 energy efficiency testing services based in Belgium

See the full list, filter by size, metro and specialty, and access 90 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy efficiency testing services based in Belgium at a glance

As of Oct 25, 2026
51.4%Verified-email coverage
4.6Average contacts per company
1-10Median size (employees)
10.5%Largest-city concentration · Brussels
Oct 25, 2026Page data refreshed

Companies by employee count

1-10
34
11-50
4

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 38 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 “energy efficiency testing services” 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 90 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 25, 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 “energy efficiency testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficiency testing services are there based in Belgium?

RevenueBase identified 38 company matches for energy efficiency testing services 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?

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

Which city has the most energy efficiency testing services?

Brussels leads with 4 company records, followed by Ghent (3) and Antwerp (1).

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 90 professional contacts with verified work emails tracked across these 38 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 25, 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.