Sector · NACE 4399

Other specialised construction activities n.e.c.

5,404 Belgian companies whose main activity falls under NACE code 4399 have filed annual accounts. Their median solvency is 45.0% for financial year 2024.

Companies5,404
Median solvency45.0%
Median equity58,948 €
Median headcount (FTE)2.0
Founded in the last 3 years404

Sector medians

Computed by Idonis

Distribution 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.

Indicator1st quartileMedian3rd quartileCompanies
Solvency 22.7%45.0%67.7% 4,711
Current ratio 1.051.622.88 4,659
ROE 1.5%14.8%37.7% 4,268
Equity 20,089 €58,948 €159,661 € 4,736
Total assets 63,454 €150,651 €395,882 € 4,726
Net result −524 €8,850 €30,211 € 4,730
Headcount (avg FTE) 1.02.05.5 1,005

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 specialised construction activities n.e.c.

Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.

#Company Total assetsRevenue EquityFTEYear
1 Sarens 1861 Meise €791.7m €352.0m €112.6m 372.3 2025
2 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
3 Coselog 7522 Tournai €137.1m €30.2m €30.0m 186.0 2025
4 Franki Foundations Belgium 1480 Tubize €111.4m €78.2m €41.1m 306.0 2025
5 Renotec 2440 Geel €89.6m €241.0m €25.2m 844.5 2025
6 Sarens be 1861 Meise €77.3m €49.7m €8.69m 188.7 2025
7 Dufour Transports et Manutentions 7522 Tournai €77.1m €42.8m €25.1m 106.4 2025
8 Monument - Vandekerckhove 8770 Ingelmunster €70.9m €119.4m €32.4m 217.3 2025
9 2Fund 8500 Kortrijk €60.7m €3.80m €24.8m 2.1 2025
10 Smet-F & C 2480 Dessel €54.1m €84.1m €14.2m 198.9 2025
11 Aertssen Lifting 2940 Stabroek €51.2m €66.7m €9.41m 340.1 2025
12 Aliv Group 9000 Ghent €48.6m €2.96m €5.78m 11.1 2025
13 Vestra Real Estate Group 3500 Hasselt €47.0m 783,137 € €39.0m 2.8 2025
14 Altrad Logistics Benelux 9130 Beveren-Kruibeke-Zwijndrecht €47.0m €17.0m €32.6m 61.2 2025
15 Group Stas 3210 Lubbeek €46.3m — €19.9m 1.6 2025
16 Ring Station II 2550 Kontich €43.9m — €5.33m — 2025
17 Renewi Belgium 3920 Lommel €41.5m €142.7m €12.1m 558.2 2025
18 Staalbeton 2310 Rijkevorsel €40.1m €60.5m €13.4m 90.8 2025
19 Ilonato 1130 Brussels €40.0m €47.5m €6.34m 45.8 2025
20 Dubaere 9880 Aalter €35.3m €88.2m €17.2m 16.8 2025

“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.

Where are they based?

  • Brussels-Capital1,231
  • Flemish Brabant1,009
  • Antwerp778
  • East Flanders716
  • West Flanders380
  • Limburg317
  • Hainaut305
  • Walloon Brabant257
  • Liège224
  • Namur143
  • Luxembourg42

Municipalities with the most

Related sectors

← The whole Specialised construction activities sector (NACE 43)

Frequently asked questions

How many Other specialised construction activities n.e.c. companies are there in Belgium?

5,404 Belgian companies whose main activity falls under NACE code 4399 (Other specialised construction activities n.e.c.) have filed annual accounts with the National Bank.

What is the median solvency in Other specialised construction activities n.e.c.?

For financial year 2024, median solvency (equity over total assets) is 45.0%. The middle half of companies lies between 22.7% and 67.7% (4,711 companies).

What is the largest company in Other specialised construction activities n.e.c.?

By total assets, it is Sarens (€791.7m, financial year 2025).

Where are Other specialised construction activities n.e.c. companies based?

The municipalities with the most: Anderlecht (189), Molenbeek-Saint-Jean (113), Sint-Pieters-Leeuw (106).

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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.