Specialised construction activities in civil engineering
18 Belgian companies whose main activity falls under NACE code 4350 have filed annual accounts. Their median solvency is 45.7% for financial year 2025.
Sector medians
Computed by IdonisDistribution across the sector's companies for financial year 2025: 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 | 14.0% | 45.7% | 58.3% | 12 |
| Current ratio | 1.19 | 1.43 | 2.04 | 13 |
| ROE | 4.5% | 23.6% | 72.2% | 13 |
| Equity | 21,738 € | 32,862 € | 150,353 € | 13 |
| Total assets | 97,455 € | 255,863 € | 422,420 € | 12 |
| Net result | 1,260 € | 4,002 € | 61,204 € | 13 |
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: Specialised construction activities in 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 | Zwembaden Bollen 3470 Kortenaken | €5.34m | — | €3.89m | 11.4 | 2025 |
| 2 | DCN Diving Belgium 2030 Antwerp | €2.40m | — | 386,407 € | 5.6 | 2025 |
| 3 | Visual Safety 9150 Beveren-Kruibeke-Zwijndrecht | 695,863 € | — | 505,869 € | — | 2024 |
| 4 | Deketele & Fils 7090 Braine-le-Comte | 463,128 € | — | 266,834 € | — | 2025 |
| 5 | Poolside VHG Creations 7061 Soignies | 408,850 € | — | 31,009 € | — | 2025 |
| 6 | Waterscaping Projects 2580 Putte | 339,949 € | — | 21,738 € | 1.6 | 2025 |
| 7 | U-Sign 3600 Genk | 262,784 € | — | 130,801 € | — | 2025 |
| 8 | Pary New Life 7070 Le Roeulx | 248,943 € | — | 150,353 € | 2.0 | 2025 |
| 9 | ADN Piscines 1370 Jodoigne | 248,929 € | — | 84,822 € | — | 2025 |
| 10 | Igobel 1831 Machelen (Brab.) | 212,251 € | — | 20,518 € | — | 2024 |
| 11 | BAR Flor 3111 Rotselaar | 117,534 € | — | 80,420 € | — | 2025 |
| 12 | Feluma - Zwembaden op maat/Woningrenovatie A-Z 3665 As | 114,262 € | — | 81,082 € | — | 2025 |
| 13 | aiXten 1040 Etterbeek | 111,458 € | — | 3,781 € | — | 2025 |
| 14 | ND Pools 9700 Oudenaarde | 55,446 € | — | 23,117 € | — | 2025 |
| 15 | V.W. Project 2270 Herenthout | 50,155 € | — | 32,862 € | — | 2025 |
| 16 | Nastiko Build 1070 Anderlecht | 40,737 € | — | 20,728 € | — | 2025 |
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Where are they based?
Municipalities with the most
Related sectors
← The whole Specialised construction activities sector (NACE 43)
- 4321 Electrical installation10,614
- 4332 Joinery installation8,227
- 4322 Plumbing, heat and air-conditioning installation8,146
- 4399 Other specialised construction activities n.e.c.5,388
- 4341 Roofing activities3,896
- 4312 Site preparation3,070
- 4334 Painting and glazing2,815
- 4333 Floor and wall covering2,423
- 4335 Other building completion and finishing2,044
- 4331 Plastering1,655
- 4324 Other construction installation1,367
- 4323 Installation of insulation1,225
Frequently asked questions
How many Specialised construction activities in civil engineering companies are there in Belgium?
18 Belgian companies whose main activity falls under NACE code 4350 (Specialised construction activities in civil engineering) have filed annual accounts with the National Bank.
What is the median solvency in Specialised construction activities in civil engineering?
For financial year 2025, median solvency (equity over total assets) is 45.7%. The middle half of companies lies between 14.0% and 58.3% (12 companies).
What is the largest company in Specialised construction activities in civil engineering?
By total assets, it is Zwembaden Bollen (€5.34m, financial year 2025).
Where are Specialised construction activities in civil engineering companies based?
The municipalities with the most: Etterbeek (1), Anderlecht (1), Jodoigne (1).
Analyse companies in Specialised construction activities 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 11 Nov 2026.