List of Solar Companies in Belgium

Last updated 5 November 2026

There are 511 solar companies in Belgium, one in every 4,673 Belgian companies. Most of them are small: four in five have one to four people, and only 5 firms employ 50 people or more. One in ten solar firms is based in Erezée, Gent, Genk, Hasselt and Zaventem. Below you find the largest solar firms in Belgium, the cities where they cluster, how many started this year and which are the oldest. The full list with addresses, phone numbers and email is in our Belgian company database or through the KBO API.

511 companies indexed · Data counted on 5 November 2026

Companies5111 in4,673 Belgian companiesCities238Largest cityErezée 14Sole traders5%Employees1-4 (83%)Revenue< $100K (32%)Email86%Phone67%Website95%

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A live view of all 511 solar firms, sorted by revenue. Narrow it by region, city, employee size, revenue, legal form or founding year, or search a firm by name.

VynckeVyncke

	Company Name	Country	City	Address 1	State/Province	Postal Code	Website	Founding Year	Yearly Revenue in U.S. Dollars	Employees Total	Business Legal Type - Description	Number of Companies in Group	Company Registration Number
1	Vyncke	Belgium	Harelbeke	Gentsesteenweg 224	West Vlaanderen	8530	*****.com	2012	$176,835,030	181	Corporation	8	BE0447690830
2	Energyvision	Belgium	Gent	Kortrijksesteenweg 1071	Oost Vlaanderen	9051	*****.be	2014	$176,088,723	500	Corporation	37	BE0563854664
3	Collignon Eng	Belgium	Erezée	Briscol 4	Luxembourg	6997	*****.net	1979	$101,900,863	361	Corporation	2349	BE0420578340
4	Parkwind	Belgium	Leuven	Sint-maartenstraat 5	Vlaams Brabant	3000	*****.com	2012	$54,904,023	386	Corporation	135	BE0844796259
5	Sparki Renewables	Belgium	Harelbeke	Kortrijksesteenweg 387	West Vlaanderen	8530	*****.be	2017	$52,631,401	59	Corporation	16	BE0680547149
6	Insaver	Belgium	Houthalen	Centrum-zuid 1199	Limburg	3530	*****.be	2012	$49,377,636	39	Corporation	36005	BE0848444746
7	Koning	Belgium	Herent	Mechelsesteenweg 676	Vlaams Brabant	3020	*****.be	2008	$31,228,907	34	Corporation	18	BE0806516101
8	Green And Durable Energy	Belgium	Tongeren	Prinsenweg 9, Internal Postal Box 17	Limburg	3700	*****.com	2023	$25,343,151	30	Corporation	102	BE0525764942
9	Enerdeal	Belgium	Zaventem	Hermesstraat 2a	Vlaams Brabant	1930	*****.com	2009	$24,838,539	30	Corporation	990	BE0821924550
10	Opteco	Belgium	Zonhoven	Senator Alfons Jeurissenlaan 1020	Limburg	3520	*****.be	2014	$24,746,219	24	Corporation	N/A	BE0500511189
11	Siguesol	Belgium	Soumagne	Rue Du Relais 1	Liège	4632	*****.com	2023	$20,058,754	18	Corporation	14	BE0898871680
12	Solora	Belgium	Merelbeke	Neringsweg 2	Oost Vlaanderen	9820	*****.be	2024	$17,479,377	46	Corporation	2	BE0547830660
13	Green Energy 4 Seasons	Belgium	Marche-en-famenne	Rue de la Plaine 9	Luxembourg	6900	*****.be	2020	$17,103,252	43	Corporation	6	BE0897430241
14	Ministry Of Solar	Belgium	Ruiselede	Industriestraat 8c	West Vlaanderen	8755	*****.com	2015	$14,808,789	23	Corporation	2	BE0639799825
15	Ese	Belgium	Veurne	Ondernemingenstraat 9	West Vlaanderen	8630	*****.be	2019	$14,103,687	30	Corporation	6	BE0698971112
16	Ecopuur	Belgium	Gent	Landegemstraat 10	Oost Vlaanderen	9031	*****.be	2017	$13,221,132	36	Corporation	14	BE0535553727
17	Futech	Belgium	Tessenderlo	Ambachtsstraat 19, Internal Postal Box 2124	Limburg	3980	*****.be	2008	$8,784,219	20	Corporation	15	BE0808756108
18	Radiance Belgium	Belgium	Schoten	Metropoolstraat 30/32a	Antwerpen	2900	*****.eu	2013	$8,542,019	30	Corporation	8	BE0536830662
19	Rensol	Belgium	Asse	Poverstraat 204	Vlaams Brabant	1731	*****.be	2011	$7,284,956	34	Corporation	2	BE0836734668
20	Ecoveld	Belgium	Dendermonde	Bosveld 20	Oost Vlaanderen	9200	*****.be	2024	$5,796,900	1	Corporation	32	BE1008589964
21	Eniris	Belgium	Gent	Moutstraat 92-98	Oost Vlaanderen	9000	*****.be	2020	$4,980,912	31	Corporation	2	BE0751828588
22	Belga Solar	Belgium	Somme-leuze	Zone D'Activites Nord Bail. 89	Namur	5377	*****.com	2012	$3,478,890	30	Corporation	3	BE0844255138
23	Solar Assistance	Belgium	Lummen	Bosstraat 69	Limburg	3560	*****.be	2012	$3,478,890	16	Corporation	3	BE0847005978
24	Lovitas.connect	Belgium	Dendermonde	Schaapveld 12	Oost Vlaanderen	9200	*****.be	2015	$3,478,890	6	Corporation	7	BE0505776608
25	Suntronics Solar	Belgium	Ledegem	Toor 4	West Vlaanderen	8880	*****.be	2016	$3,478,890	30	Corporation	20	BE0568568369

Showing 25 of 511 companies

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Firm sizes in Belgium

Of the 461 Belgian solar firms with a known headcount, 384 (83%) have one to four people, 40 have five to nine, 32 have ten to 49 and 5 have 50 or more. Most firms turn over under $100,000 a year (136, 32%).

EU size bands · the grey line shows all Belgian companies

Micro under 10424 92%
Small 10 to 4932 7%
Medium 50 to 2495 1%
Large 250+0 0.0%

Grey line: the share among all Belgian companies (98% have under ten staff).

firms turn over more than $5 million a year; 16 more than $10 million.

firms were entered in 2026.

Where in Belgium?

Erezée has the most solar companies in Belgium (14), ahead of Gent (10), Genk (9), Hasselt (8) and Zaventem (8). Together the five hold one in ten of them.

Cities by number of firms

238 Belgian cities have at least one solar firm; 2 have ten or more; 117 have exactly one.

How many solar companies are there in Belgium?

Solar companies and solar firms in Belgium

511

5 November 2026

There are 511 solar companies and solar firms in Belgium in our data (5 November 2026). That is one in every 4,673 Belgian companies. About one new firm is entered in the register every month this year (10 so far in 2026).

Structure

Single-site firms: 267 52%
Head offices: 159
Branch offices: 85

Classification

NACE Rev. 2 code 432. Our platform filter is SIC 1731, 8711, 1711.

356 of the 511 are BV/SRL and NV/SA (70%); 25 are sole traders. They come from Kruispuntbank van Ondernemingen (KBO/BCE) and our Belgian register data, through the KBO API.

Solar firms in Erezée

Erezée has 14 solar companies and solar firms, 2.2% of all 631 Erezée companies and 10268% above the national share. Nearly all Erezée firms have fewer than five people; 1 has 50 or more. 1 new firm was entered in 2026, 1 dates from before 1990.

Size

1-4 staff: 13 · 93%
5-9: 0 · 0%
10-19: 0 · 0%
20-49: 0 · 0%
50+: 1 · 7%

Legal form

Sole traders: 0 · 0%
Partnerships: 13 · 93%
BV/SRL and NV/SA: 1 · 7%
Other or none: 0 · 0%

Of the Belgian total: 2.7%
Of all Erezée companies: 2.2%
Against the national share: 103.7×

New

Entered 2026 so far: 1
Entered 2025: 1
Of Belgium's 2026 entries: 10.0%

Old

Before 1990: 1 · 7%
1990 or later: 13 · 93%
Of Belgium's pre-1990 firms: 20.0%

Reachable

Email: 14 · 100%
Phone: 14 · 100%
Website: 14 · 100%

Revenue (USD)

Under $100K: 13 · 93%
$100K-$500K: 0 · 0%
$500K-$1M: 0 · 0%
$1M and more: 1 · 7%

Largest

1361
22
32
42
52

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Largest solar firms in Belgium

The biggest firms by staff and by revenue, the largest in Erezée. Click a name for the record.

Energyvision is the largest solar firm in Belgium by headcount. 5 firms employ 50 people or more; 4 employ 100 or more.

1Gent500 staff
2Leuven386 staff
3Erezée361 staff
4Harelbeke181 staff
5Harelbeke59 staff
6Merelbeke46 staff
7Marche-en-Famenne43 staff
8Houthalen39 staff
9Roeselare37 staff
10Gent36 staff

By employee size · 461 firms with a known headcount

Employees	Firms	%
1-4	384	83%
5-9	40	9%
10-19	15	3%
20-49	17	4%
50-99	1	0.2%
100-199	3	0.7%
200-499	1	0.2%
500-999	0	0%
1,000+	0	0%

83% have 1 to 4 people; 17 have 20 to 49; 5 have 50 or more.

By yearly revenue (USD)

Revenue	Firms	%
< $100K	136	32%
$100K-$500K	123	29%
$500K-$1M	118	28%
$1M-$5M	27	6%
$5M-$10M	4	0.9%
$10M-$50M	11	3%
$50M-$100M	2	0.5%
$100M-$500M	3	0.7%

32% under $100,000; 27 between $1M and $5M; 20 above $5M.

How they compare

Next to related industries

There are 6 waste management companies for every solar firm in Belgium.

Industry	Firms	Website	1-4 staff
Waste Management Companies	3,183	40%	63%
Energy Companies	3,053	24%	76%
Chemical Companies	1,826	52%	59%
Electronics Companies	1,386	47%	66%
Mining Companies	532	45%	62%
Solar Companies	511	95%	75%

In other countries

Country	Firms	Per 1,000 cos.
Germany	4,646	0.7
Brazil	3,741	0.1
The USA	3,491	0.1
Australia	2,039	0.2
Spain	1,415	0.3
Belgium	511	0.2

More countries →

Free sample: solar firms in Europe

The oldest firms in Belgium

Our data holds 0 Belgian solar firms from before 1900, 0 from before 1950 and 5 from before 1990.

1975
1. Wortegem
1978
1. Dison
1979
1. Erezée
1982
1. Villers-la-Ville
1985
1. Gent

Fewer than five firms date from before 1950, so the timeline starts with the oldest firms before 1990.

Older than you

Live tool

Move the slider to a year. Two live counts, scoped to this industry.

1990

Belgian solar firms date from before 1990

were entered in 1990

How reachable are they?

Solar firms are easier to reach than the average Belgian company: 67% list a phone number and 95% a website.

Email439 86%
Phone343 67%
Website486 95%

Grey line: all Belgian companies (email 23%, phone 43%, website 27%).

The full list with these fields is in our Belgian company database.

Sole traders or BV/SRL: how they are organised

One in twenty Belgian solar firms work as sole traders, against 32% of all Belgian companies. Seven in ten are BV/SRL and NV/SA.

Sole traders (eenmanszaak / entreprise individuelle)255%
Partnerships (VOF/SNC and CommV/SComm)449%
BV/SRL and NV/SA35670%
No form on record or other8617%

Single-site: 52%
Head offices: 159
Branches: 85

All Belgian companies: 32% sole traders, 9% partnerships, 28% BV/SRL and NV/SA.

Frequently asked questions

How many solar companies are there in Belgium?

There are 511 solar companies and solar firms in Belgium in our data, counted on 5 November 2026. That is one in every 4,673 Belgian companies.

Which is the largest solar firm in Belgium?

Energyvision in Gent, with 500 staff. By revenue Vyncke in Harelbeke leads with $176.8 million a year.

Which Belgian city has the most solar companies?

Erezée, with 14, ahead of Gent (10), Genk (9), Hasselt (8) and Zaventem (8).

How many solar firms are there in Erezée?

14, which is 2.2% of all 631 Erezée companies and 10268% above the national share.

How big is a typical solar firm?

Small. 83% of the 461 firms with a known headcount have one to four people; 5 have 50 or more. Most turn over under $100,000 a year.

Are Belgian solar companies sole traders or companies?

One in twenty (25) are sole traders, 9% are partnerships and 70% (356) are BV/SRL and NV/SA.

How many solar firms started in 2026?

10 were entered in the Belgian register so far in 2026, after 23 in 2025. 6 of them are BV/SRL and NV/SA.

What is the oldest solar firm in Belgium?

Baert Luc in Wortegem, 1975, followed by Ista in Dison (1978) and Collignon Eng in Erezée (1979). 0 firms date from before 1900.

Which industry code covers solar companies?

Belgian solar companies are classified under NACE Rev. 2 code 432. Our platform filters them on SIC 1731 (electrical work), 8711 (engineering services) and 1711 (plumbing, heating and air-conditioning).

Can I download the full list?

Yes. All 511 firms with address, phone, email, legal form, employees, revenue and founding year, as Excel, CSV or through the API.

Discover more: related industries, in other countries

The lists closest to this one. Every industry and city in Belgium is on the Belgium page.

Energy

Europe

Americas

Asia Pacific

Solar Companies in Australia

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