Civil engineering
3,264 Belgian companies whose main activity falls under NACE code 42 have filed annual accounts. Their median solvency is 42.9% for financial year 2024.
Sector medians
Computed by IdonisDistribution across the sector's companies for financial year 2024: a quarter of companies sit below the 1st quartile, half below the median, three quarters below the 3rd quartile.
| Indicator | 1st quartile | Median | 3rd quartile | Companies |
|---|---|---|---|---|
| Solvency | 20.9% | 42.9% | 64.7% | 2,742 |
| Current ratio | 0.94 | 1.45 | 2.51 | 2,691 |
| ROE | 1.7% | 15.3% | 37.2% | 2,474 |
| Equity | 25,279 € | 111,619 € | 534,230 € | 2,772 |
| Total assets | 95,700 € | 331,413 € | €1.54m | 2,764 |
| Net result | −250 € | 16,785 € | 74,756 € | 2,766 |
| Headcount (avg FTE) | 1.3 | 5.2 | 16.3 | 1,225 |
Medians computed by Idonis from annual accounts filed with the National Bank, all sizes combined. The same panel is the sector benchmark on every company page. Method
Largest companies: Civil engineering
Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Beheersmaatschappij Antwerpen Mobiel 2000 Antwerp | €4.06bn | — | €827.6m | 181.5 | 2025 |
| 2 | Jan De Nul 9308 Aalst | €2.66bn | €1.73bn | €1.42bn | 1,840.7 | 2025 |
| 3 | DEME Offshore BE 2070 Beveren-Kruibeke-Zwijndrecht | €1.50bn | €968.6m | €190.5m | 527.0 | 2025 |
| 4 | Deme Group 2070 Beveren-Kruibeke-Zwijndrecht | €1.23bn | €11.6m | €1.11bn | 4.0 | 2025 |
| 5 | Dredging, Environmental & Marine Engineering 2070 Beveren-Kruibeke-Zwijndrecht | €768.6m | €21.7m | €394.0m | 15.0 | 2025 |
| 6 | Dredging International 2070 Beveren-Kruibeke-Zwijndrecht | €705.3m | €731.2m | €222.9m | 29.9 | 2025 |
| 7 | Pioneering Spirit Marine Contractors 2910 Essen | €643.0m | €16.3m | €635.1m | — | 2025 |
| 8 | VIA A11 2018 Antwerp | €587.5m | €11.4m | €14.5m | — | 2025 |
| 9 | DEME Dredging 2070 Beveren-Kruibeke-Zwijndrecht | €575.7m | €608.0m | €226.8m | 1,374.1 | 2025 |
| 10 | Denys 9032 Ghent | €528.9m | €506.3m | €103.8m | 969.3 | 2025 |
| 11 | Stadsbader 8530 Harelbeke | €398.1m | €528.9m | €135.3m | 752.1 | 2025 |
| 12 | Baggerwerken Decloedt & Zoon 8400 Ostend | €366.4m | €159.3m | €234.6m | 230.2 | 2025 |
| 13 | Bravo4 SPV 1200 Woluwe-Saint-Lambert | €313.2m | — | 358,757 € | — | 2025 |
| 14 | Spie Belgium 1070 Anderlecht | €274.7m | €375.6m | €60.8m | 1,375.4 | 2025 |
| 15 | Willemen Infra 9031 Ghent | €251.5m | €284.1m | €87.0m | 861.7 | 2025 |
| 16 | Verbraeken Infra 9140 Temse | €193.3m | €319.2m | €85.7m | 327.2 | 2025 |
| 17 | Via Noord Zuid Kempen 1000 Brussels | €192.9m | €2.96m | 598,893 € | — | 2025 |
| 18 | Galère 4053 Chaudfontaine | €180.4m | €183.6m | €39.5m | 585.2 | 2025 |
| 19 | Project Brabo 1 2018 Antwerp | €161.3m | €18.0m | €4.63m | — | 2025 |
| 20 | Flanders Dredging Corporation 9308 Aalst | €150.0m | €94.7m | €79.9m | — | 2025 |
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Where are they based?
Municipalities with the most
Sub-sectors
- 4211 Construction of roads and motorways1,162
- 4222 Construction of utility projects for electricity and telecommunications925
- 4299 Construction of other civil engineering projects n.e.c.468
- 4221 Construction of utility projects for fluids446
- 4291 Construction of water projects143
- 4213 Construction of bridges and tunnels60
- 4212 Construction of railways and underground railways60
Frequently asked questions
How many Civil engineering companies are there in Belgium?
3,264 Belgian companies whose main activity falls under NACE code 42 (Civil engineering) have filed annual accounts with the National Bank.
What is the median solvency in Civil engineering?
For financial year 2024, median solvency (equity over total assets) is 42.9%. The middle half of companies lies between 20.9% and 64.7% (2,742 companies).
What is the largest company in Civil engineering?
By total assets, it is Beheersmaatschappij Antwerpen Mobiel (€4.06bn, financial year 2025).
Where are Civil engineering companies based?
The municipalities with the most: Lokeren (119), Zele (79), Ghent (46).
Analyse companies in Civil engineering
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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 10 Oct 2026.