Other construction installation
1,374 Belgian companies whose main activity falls under NACE code 4324 have filed annual accounts. Their median solvency is 45.0% 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 | 20.4% | 45.0% | 68.9% | 1,193 |
| Current ratio | 1.03 | 1.59 | 2.93 | 1,180 |
| ROE | 1.1% | 14.2% | 37.3% | 1,060 |
| Equity | 18,385 € | 58,418 € | 186,289 € | 1,199 |
| Total assets | 65,808 € | 161,404 € | 473,242 € | 1,199 |
| Net result | −1,301 € | 9,002 € | 31,640 € | 1,199 |
| Headcount (avg FTE) | 1.0 | 2.6 | 7.1 | 304 |
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: Other construction installation
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 | TramContractors 1000 Brussels | €90.3m | €4.64m | €4.35m | — | 2025 |
| 2 | TK Elevator Belgium 1130 Brussels | €61.7m | €59.1m | €15.7m | 280.9 | 2025 |
| 3 | Betonfabriek DE Bonte 9250 Waasmunster | €45.2m | €19.1m | €35.4m | 34.6 | 2024 |
| 4 | BIO - Dynamics 8710 Wielsbeke | €43.6m | €64.4m | €12.2m | 120.2 | 2025 |
| 5 | Technical Equipment Maintenance-Technilift 1210 Saint-Josse-ten-Noode | €36.9m | €42.2m | €8.96m | 266.8 | 2025 |
| 6 | Wetenschapspark Leuven Noord 3000 Leuven | €34.2m | — | −785,223 € | — | 2025 |
| 7 | Citynest 9000 Ghent | €33.8m | €28.7m | €4.39m | — | 2025 |
| 8 | Genetec 5100 Namur | €32.7m | €27.9m | €11.3m | 107.0 | 2025 |
| 9 | STRIMA ENTREPRISE GéNéRALE DE CONSTRUCTIONS 1130 Brussels | €22.0m | — | 494,918 € | 34.2 | 2025 |
| 10 | DS Units 1840 Londerzeel | €17.2m | €14.4m | €14.3m | 20.3 | 2025 |
| 11 | Biolectric 9140 Temse | €12.1m | €17.6m | €1.04m | 38.1 | 2025 |
| 12 | Tormax Belgium 9090 Merelbeke-Melle | €10.9m | €12.7m | €5.20m | 64.1 | 2024 |
| 13 | NCA 2200 Herentals | €10.9m | €23.8m | €4.37m | 25.1 | 2025 |
| 14 | International Montage Maintenance 1410 Waterloo | €10.5m | €11.5m | €4.05m | 23.0 | 2025 |
| 15 | KDB Belgium 1000 Brussels | €9.90m | €12.1m | €3.87m | 32.8 | 2025 |
| 16 | Monument Renovation Technics 9800 Deinze | €8.75m | — | €4.68m | 46.3 | 2025 |
| 17 | JB Invest 1380 Lasne | €8.55m | — | €2.70m | — | 2025 |
| 18 | Debaets Real Estate 8930 Menen | €8.52m | — | €4.91m | — | 2025 |
| 19 | B2B Solar Energy 7120 Estinnes | €8.21m | — | €1.02m | — | 2025 |
| 20 | Elvacenter 9810 Nazareth-De Pinte | €7.93m | — | €5.70m | 11.7 | 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 installation10,596
- 4332 Joinery installation8,235
- 4322 Plumbing, heat and air-conditioning installation8,119
- 4399 Other specialised construction activities n.e.c.5,404
- 4341 Roofing activities3,877
- 4312 Site preparation3,076
- 4334 Painting and glazing2,817
- 4333 Floor and wall covering2,432
- 4335 Other building completion and finishing2,039
- 4331 Plastering1,662
- 4323 Installation of insulation1,222
- 4391 Masonry and bricklaying activities993
Frequently asked questions
How many Other construction installation companies are there in Belgium?
1,374 Belgian companies whose main activity falls under NACE code 4324 (Other construction installation) have filed annual accounts with the National Bank.
What is the median solvency in Other construction installation?
For financial year 2024, median solvency (equity over total assets) is 45.0%. The middle half of companies lies between 20.4% and 68.9% (1,193 companies).
What is the largest company in Other construction installation?
By total assets, it is TramContractors (€90.3m, financial year 2025).
Where are Other construction installation companies based?
The municipalities with the most: Anderlecht (45), Brussels (24), Antwerp (17).
Analyse companies in Other construction installation
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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.