Civil engineering: highest published revenue
337 Belgian companies in the sector (NACE 42) publish their revenue in recent accounts; here are the top 20. Jan De Nul leads with €1.73bn (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 | Jan De Nul 9308 Aalst | €2.66bn | €1.73bn | €1.42bn | 1,840.7 | 2025 |
| 2 | DEME Offshore BE 2070 Beveren-Kruibeke-Zwijndrecht | €1.50bn | €968.6m | €190.5m | 527.0 | 2025 |
| 3 | Dredging International 2070 Beveren-Kruibeke-Zwijndrecht | €705.3m | €731.2m | €222.9m | 29.9 | 2025 |
| 4 | DEME Dredging 2070 Beveren-Kruibeke-Zwijndrecht | €575.7m | €608.0m | €226.8m | 1,374.1 | 2025 |
| 5 | Stadsbader 8530 Harelbeke | €398.1m | €528.9m | €135.3m | 752.1 | 2025 |
| 6 | Denys 9032 Ghent | €528.9m | €506.3m | €103.8m | 969.3 | 2025 |
| 7 | Spie Belgium 1070 Anderlecht | €274.7m | €375.6m | €60.8m | 1,375.4 | 2025 |
| 8 | Verbraeken Infra 9140 Temse | €193.3m | €319.2m | €85.7m | 327.2 | 2025 |
| 9 | Willemen Infra 9031 Ghent | €251.5m | €284.1m | €87.0m | 861.7 | 2025 |
| 10 | Etablissements Maurice Wanty 7134 Binche | €128.0m | €197.0m | €46.7m | 773.0 | 2025 |
| 11 | Deckx Algemene Ondernemingen 2480 Dessel | €81.8m | €186.0m | €20.8m | 142.6 | 2025 |
| 12 | Galère 4053 Chaudfontaine | €180.4m | €183.6m | €39.5m | 585.2 | 2025 |
| 13 | BESIX Unitec 2627 Schelle | €126.2m | €180.6m | €29.2m | 546.5 | 2025 |
| 14 | APK infra 3900 Pelt | €58.2m | €164.9m | €15.3m | 539.6 | 2025 |
| 15 | Viabuild 2870 Puurs-Sint-Amands | €131.3m | €161.5m | €38.9m | 378.4 | 2025 |
| 16 | Baggerwerken Decloedt & Zoon 8400 Ostend | €366.4m | €159.3m | €234.6m | 230.2 | 2025 |
| 17 | Colas Noord 3550 Heusden-Zolder | €66.9m | €157.9m | €3.87m | 472.1 | 2025 |
| 18 | Full Throttle 9308 Aalst | €68.7m | €156.8m | 71,119 € | — | 2025 |
| 19 | Siemens Energy 1654 Beersel | €107.3m | €155.1m | €19.3m | 102.6 | 2025 |
| 20 | BESIX Infra 2627 Schelle | €96.2m | €148.4m | €24.5m | 322.8 | 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.
← The whole Civil engineering sector
Frequently asked questions
Which company in Civil engineering has the highest revenue?
Jan De Nul, with €1.73bn in revenue (financial year 2025).
How many Civil engineering companies publish their revenue?
337 out of 3,264, in accounts less than 3 years old. Small companies (micro and abridged accounts) are not required to publish it.
Analyse companies in Civil engineering
Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.
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 10 Oct 2026.