Other specialised construction activities n.e.c.: largest employers
953 Belgian companies in the sector (NACE 4399) report employees in recent accounts; here are the top 20. Renotec leads with 844.5 FTE (financial year 2025).
Top 20
Ranked by average headcount (FTE) reported in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Renotec 2440 Geel | €89.6m | €241.0m | €25.2m | 844.5 | 2025 |
| 2 | Sarens 1861 Meise | €791.7m | €352.0m | €112.6m | 372.3 | 2025 |
| 3 | Aertssen Lifting 2940 Stabroek | €51.2m | €66.7m | €9.41m | 340.1 | 2025 |
| 4 | Franki Foundations Belgium 1480 Tubize | €111.4m | €78.2m | €41.1m | 306.0 | 2025 |
| 5 | Monument - Vandekerckhove 8770 Ingelmunster | €70.9m | €119.4m | €32.4m | 217.3 | 2025 |
| 6 | Smet-F & C 2480 Dessel | €54.1m | €84.1m | €14.2m | 198.9 | 2025 |
| 7 | Sarens be 1861 Meise | €77.3m | €49.7m | €8.69m | 188.7 | 2025 |
| 8 | Coselog 7522 Tournai | €137.1m | €30.2m | €30.0m | 186.0 | 2025 |
| 9 | Dufour Transports et Manutentions 7522 Tournai | €77.1m | €42.8m | €25.1m | 106.4 | 2025 |
| 10 | Samoco 2070 Beveren-Kruibeke-Zwijndrecht | €6.37m | €18.0m | €1.03m | 91.0 | 2025 |
| 11 | Staalbeton 2310 Rijkevorsel | €40.1m | €60.5m | €13.4m | 90.8 | 2025 |
| 12 | Mammoet (Belgium) 9042 Ghent | €32.8m | €29.3m | €7.98m | 88.7 | 2025 |
| 13 | Benelux Multiservices Industrial 2170 Antwerp | €1.59m | — | 612,030 € | 80.6 | 2025 |
| 14 | Agence Intercommunale de Developpement Economique des Arrondissements de Tournai, ATH et des Communes Avoisinantes 7500 Tournai | €235.8m | €12.5m | €149.6m | 78.6 | 2025 |
| 15 | Renewi Belgium 3920 Lommel | €38.9m | €68.0m | €8.22m | 74.6 | 2026 |
| 16 | VIP Scaffolding 9030 Ghent | €9.09m | €16.7m | €3.08m | 65.3 | 2025 |
| 17 | Megamax 7181 Seneffe | €25.2m | €10.9m | €9.57m | 62.9 | 2025 |
| 18 | Altrad Logistics Benelux 9130 Beveren-Kruibeke-Zwijndrecht | €47.0m | €17.0m | €32.6m | 61.2 | 2025 |
| 19 | Aertssen Industrial Services 2940 Stabroek | €10.6m | €17.1m | €3.09m | 61.1 | 2025 |
| 20 | Gert Kwanten Tuinaanleg 3910 Pelt | €7.18m | €16.2m | €2.22m | 57.6 | 2025 |
Headcount reported by the company for all its sites: the jobs may be located elsewhere.
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
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Frequently asked questions
Who is the largest employer in Other specialised construction activities n.e.c.?
Renotec, with 844.5 full-time equivalents reported (financial year 2025).
How many Other specialised construction activities n.e.c. companies report employees?
953 out of 5,389, in accounts less than 3 years old.
Analyse companies in Other specialised construction activities n.e.c.
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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 11 Nov 2026.