Company lists · Data verified August 2026

Top 25 Clean energy software companies based in Belgium

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 146 companies tracked

There are 146 clean energy software companies headquartered in Belgium (RevenueBase, August 2026). RevenueBase tracks 1,940 professional contacts across them, including 900 with verified work emails and 64 with mobile numbers. Harelbeke is the largest hub.

This list covers clean energy software companies headquartered in Belgium, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

146Companies

1,940Contacts tracked

900Verified emails

64Mobile numbers

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The 25 largest clean energy software companies based in Belgium

Ranked by team size

Top 25 of 146 clean energy software companies based in Belgium, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	3e	Brussels	51-200	250	114
2	Smappee	Harelbeke	51-200	129	84
3	Ecorus	Hasselt	51-200	93	42
4	Aspiravi	Kortrijk	51-200	80	52
5	YUSO	Waregem	11-50	56	36
6	Energyking	n/a	51-200	53	37
7	Perpetum Energy	n/a	11-50	53	2
8	Linea Trovata Group	Ardooie	51-200	48	30
9	Insaver	n/a	51-200	44	24
10	Dymotec	Olen	11-50	44	20
11	Virto Solar	n/a	11-50	42	34
12	Frank Energie	Antwerp	11-50	34	26
13	XEMEX	Schoten	11-50	33	13
14	Enerdeal By EDP	Zaventem	11-50	32	23
15	Lifepowr	n/a	11-50	31	18
16	ESE	Veurne	51-200	25	16
17	Knauf Energy Solutions	n/a	11-50	25	15
18	Covolt	n/a	11-50	23	19
19	We Green Belgium	Zaventem	11-50	23	12
20	ENSYS	Kapellen	11-50	22	17
21	beebop.ai	n/a	11-50	22	15
22	Energis	n/a	11-50	21	13
23	cozie.be	Genval	51-200	21	1
24	Go-Solar By D'ieteren	Brecht	51-200	19	12
25	Powernaut	Ghent	11-50	19	12

Showing 25 of 146 clean energy software companies based in Belgium

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Clean energy software companies based in Belgium at a glance

As of Aug 28, 2026

11-50Median size (employees)

HarelbekeLargest hub · 4 HQs

64Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Clean energy software companies by metro

Metro	Companies
Clean energy software companies in Harelbeke	4
Clean energy software companies in Antwerpen	4
Clean energy software companies in Brussels	4
Clean energy software companies in Herentals	3
Clean energy software companies in Zaventem	3
Clean energy software companies in Etterbeek Brussels	3
Clean energy software companies in Liege	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “clean energy software companies”, with match quality audited by blind human judging, and headquartered in Belgium.
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: Contact records re-verify on a rolling cadence; 1 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many clean energy software companies are there based in Belgium?

There are 146 clean energy software companies headquartered in Belgium as of August 2026 (RevenueBase).

What is the largest company on this list?

3e, headquartered in Brussels, tops this list with the largest team on record.

Which city has the most clean energy software companies?

Harelbeke leads with 4 headquartered companies, followed by Antwerpen (4) and Brussels (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 900 verified decision-maker contacts tracked across these 146 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.