Construction of residential and non-residential buildings: highest published revenue
1,528 Belgian companies in the sector (NACE 41) publish their revenue in recent accounts; here are the top 20. N.V. Besix S.A. leads with €1.15bn (financial year 2025).
Top 20
Ranked by revenue published in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | N.V. Besix S.A. 1200 Woluwe-Saint-Lambert | €1.04bn | €1.15bn | €258.7m | 808.8 | 2025 |
| 2 | Stadsbader Contractors 1120 Brussels | €224.4m | €393.6m | €56.0m | 452.2 | 2025 |
| 3 | Willy Naessens Industriebouw 9790 Wortegem-Petegem | €228.9m | €334.3m | €83.3m | 394.0 | 2025 |
| 4 | Cordeel Belgium 3730 Bilzen-Hoeselt | €269.2m | €324.9m | €61.2m | 349.4 | 2025 |
| 5 | CIT Blaton 1030 Schaerbeek | €186.9m | €303.0m | €61.3m | 334.9 | 2025 |
| 6 | Alheembouw 8840 Staden | €121.3m | €278.7m | €24.2m | 183.8 | 2025 |
| 7 | Entreprises générales Louis Duchene 4577 Modave | €192.9m | €240.0m | €18.8m | 465.1 | 2025 |
| 8 | Artes Roegiers 9150 Beveren-Kruibeke-Zwijndrecht | €137.5m | €232.2m | €24.7m | 272.2 | 2025 |
| 9 | Willemen Bouw 2800 Mechelen | €151.1m | €231.5m | €30.3m | 312.2 | 2025 |
| 10 | Thomas & Piron Home 6852 Paliseul | €211.1m | €211.1m | €122.3m | 916.5 | 2025 |
| 11 | BPC Group 1160 Auderghem | €148.0m | €209.2m | €19.3m | 301.0 | 2025 |
| 12 | Democo 3500 Hasselt | €67.2m | €188.3m | €15.6m | 241.8 | 2025 |
| 13 | Van Laere 2070 Beveren-Kruibeke-Zwijndrecht | €100.0m | €184.7m | €12.7m | 201.0 | 2025 |
| 14 | Thomas & Piron Bâtiment 5100 Namur | €158.1m | €175.9m | €75.5m | 380.0 | 2025 |
| 15 | Strabag Belgium 2030 Antwerp | €106.7m | €152.2m | €20.5m | 208.3 | 2025 |
| 16 | Etablissements Jean Wust 4890 Thimister-Clermont | €71.6m | €141.3m | €18.2m | 298.1 | 2025 |
| 17 | Houben 3500 Hasselt | €60.2m | €138.1m | €15.9m | 106.9 | 2025 |
| 18 | Van Roey 2310 Rijkevorsel | €47.5m | €135.7m | €10.5m | 195.5 | 2025 |
| 19 | Louis de Waele Construction 1170 Watermael-Boitsfort | €51.8m | €128.5m | €10.4m | 217.0 | 2025 |
| 20 | Vanhout 2440 Geel | €113.2m | €125.0m | €23.3m | 144.6 | 2025 |
These are the revenue figures published in the annual accounts. Small companies (micro and abridged accounts) do not have to publish theirs: they do not appear in this ranking.
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Frequently asked questions
Which company in Construction of residential and non-residential buildings has the highest revenue?
N.V. Besix S.A., with €1.15bn in revenue (financial year 2025).
How many Construction of residential and non-residential buildings companies publish their revenue?
1,528 out of 18,948, in accounts less than 3 years old. Small companies (micro and abridged accounts) are not required to publish it.
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Open the full file →Active companies (legal entities) that have filed at least one set of annual accounts, based on the Crossroads Bank for Enterprises and the National Bank of Belgium. The sector is the main activity in the register; the municipality is that of the registered office. Data updated on 14 Nov 2026.