Company lists · Data refreshed October 2026

Top 25 Commercial energy efficiency startups based in Belgium

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

Compiled by the RevenueBase Data Team Data refreshed Oct 10, 2026 94 companies tracked

RevenueBase identified 94 company matches for commercial energy efficiency startups associated with Belgium as of October 2026 and tracks 1,285 professional contacts across them, including 452 with verified work emails. Antwerp is the largest hub.

This list covers company matches for commercial energy efficiency startups 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 10, 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 10, 2026 How this list was built

94Companies

1,285Contacts tracked

452Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest commercial energy efficiency startups based in Belgium

Ranked by team size

Top 25 of 94 company matches for commercial energy efficiency startups based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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	NIKO	Exact match	Sint Niklaas, BelgiumHQ recorded Oct 10, 2026	501-1,000	477 contacts →
	Exact match “Niko designs electr(on)ic solutions to enhance buildings to better suit the needs of the people who live and work in them.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2	Smappee	Exact match	Harelbeke, BelgiumHQ recorded Oct 10, 2026	51-200	119 contacts →
	Exact match “Smappee is an energy technology company.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3	Eniris	Exact match	Ghent, BelgiumHQ recorded Oct 10, 2026	11-50	39 contacts →
	Exact match “Eniris is an international company headquartered in Belgium, with a branch office in the Netherlands.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	ESE	Exact match	Veurne, BelgiumHQ recorded Oct 10, 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 10, 2026 · View company records in RevenueBase
5	Soltis	Exact match	Evere, BelgiumHQ recorded Oct 10, 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 10, 2026 · View company records in RevenueBase
6	cozie.be	Exact match	België, BelgiumHQ recorded Oct 10, 2026	51-200	24 contacts →
	Exact match “Cozie \| Durable Comfort Cozie is a vibrant company that works with ENGIE to combine the energy and dynamism of a start-up with the technical competence & long-term vision of an…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	Fixsus	Exact match	Evergem, BelgiumHQ recorded Oct 10, 2026	11-50	23 contacts →
	Exact match “At Fixsus, we make technology work together.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	Energieconcepten	Exact match	Arendonk, BelgiumHQ recorded Oct 10, 2026	11-50	20 contacts →
	Exact match “Energieconcepten biedt duurzame energieoplossingen voor het verwarmen, ventileren, verlichten, sturen… van gebouwen.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9	Domintell	Exact match	Nivelles, BelgiumHQ recorded Oct 10, 2026	11-50	20 contacts →
	Exact match “For over thirty years, Domintell has been the Belgian specialist in developing solutions to make buildings smart and efficient.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	Priva Building Automation Belgium	Exact match	2550 Kontich, BelgiumHQ recorded Oct 10, 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 10, 2026 · View company records in RevenueBase
11	Wattson NV	Exact match	Ghent, BelgiumHQ recorded Oct 10, 2026	11-50	19 contacts →
	Exact match “Wattson maakt van gebouwen de gangmakers van de energietransitie.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12	Trinergy	Exact match	Woluwe-saint-lambert, BelgiumHQ recorded Oct 10, 2026	11-50	19 contacts →
	Exact match “Energy Management Software.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13	EMAZE	Exact match	Ghent, BelgiumHQ recorded Oct 10, 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 10, 2026 · View company records in RevenueBase
14	Smarteye	Exact match	Antwerp, BelgiumHQ recorded Oct 10, 2026	11-50	18 contacts →
	Exact match “SmartEye laat technologieën en toestellen in gebouwen slim en veilig met elkaar praten.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15	TEM	Exact match	BelgiumHQ recorded Oct 10, 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 10, 2026 · View company records in RevenueBase
16	Dnergy	Exact match	Brussels, BelgiumHQ recorded Oct 10, 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 10, 2026 · View company records in RevenueBase
17	GIA Systems	Exact match	Bree, BelgiumHQ recorded Oct 10, 2026	11-50	15 contacts →
	Exact match “develops smart solutions for lighting, solar shading control, building automation, and plug-and-play installations, enabling professionals to work efficiently and error-free.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18	MCS Solutions	Exact match	Antwerp, BelgiumHQ recorded Oct 10, 2026	201-500	15 contacts →
	Exact match “MCS Solutions was acquired by Nemetschek in 2018 and rebranded with Spacewell in 2019.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19	Dtplan	Exact match	Izegem, BelgiumHQ recorded Oct 10, 2026	11-50	14 contacts →
	Exact match “DTplan is een merkonafhankelijke programmeur binnen gebouwenmanagement, energiemanagement en automatische regelingen met als doel een totaalpakket betreffende technieken aan te…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20	Domica BV	Exact match	Kruibeke, BelgiumHQ recorded Oct 10, 2026	11-50	14 contacts →
	Exact match “Domica is a building automation company providing- B2B Innovative building automation, HVAC control & Smart networks (retail, logistics, offices, entertainment…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21	Alfasun	Exact match	Ninove, BelgiumHQ recorded Oct 10, 2026	11-50	13 contacts →
	Exact match “nergie zonder zorgen Ga je bouwen?” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22	Ensatec	Exact match	Genk, BelgiumHQ recorded Oct 10, 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 10, 2026 · View company records in RevenueBase
23	Homate	Exact match	Landegem, BelgiumHQ recorded Oct 10, 2026	11-50	8 contacts →
	Exact match “Je eigen smart home zonder zorgen.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24	SUN ECO	Exact match	Herentals, BelgiumHQ recorded Oct 10, 2026	51-200	8 contacts →
	Exact match “Sun Eco is de specialist in uw woning energie efficiënter te maken.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25	Optiwatt Scrl	Exact match	Wauthier-braine, BelgiumHQ recorded Oct 10, 2026	1-10	6 contacts →
	Exact match “Intéressé par- L'optimisation de vos ressources énergétiques- L'amélioration du confort de vos bâtiments- La valorisation de votre patrimoine immobilier- La maîtrise de vos coûts…” Recorded in the RevenueBase company graph · Oct 10, 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 “commercial energy efficiency startups”. 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 94 commercial energy efficiency startups based in Belgium

See the full list, filter by size, metro and specialty, and access 452 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Commercial energy efficiency startups based in Belgium at a glance

As of Oct 10, 2026

35.2%Verified-email coverage

13.7Average contacts per company

1-10Median size (employees)

4.3%Largest-city concentration · Antwerp

Oct 10, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 94 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 “commercial energy efficiency startups” 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 452 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 10, 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 “commercial energy efficiency startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many commercial energy efficiency startups are there based in Belgium?

RevenueBase identified 94 company matches for commercial energy efficiency startups 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?

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

Which city has the most commercial energy efficiency startups?

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

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 452 professional contacts with verified work emails tracked across these 94 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 10, 2026.

Ready to reach these companies? Verified emails and direct dials for all 94 commercial energy efficiency startups based in Belgium. Start with a free account, no credit card.

Download this list →

Related lists

Commercial energy efficiency startups by geography

Browse the directory

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.