Specialised construction activities
53,257 Belgian companies whose main activity falls under NACE code 43 have filed annual accounts. Their median solvency is 45.6% 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 | 23.6% | 45.6% | 68.4% | 46,836 |
| Current ratio | 1.05 | 1.67 | 3.03 | 46,440 |
| ROE | 2.5% | 15.2% | 37.6% | 42,824 |
| Equity | 24,834 € | 76,581 € | 213,390 € | 47,004 |
| Total assets | 77,675 € | 188,499 € | 497,570 € | 46,957 |
| Net result | 346 € | 11,822 € | 38,715 € | 46,968 |
| Headcount (avg FTE) | 1.0 | 2.3 | 5.7 | 16,401 |
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
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 | Sarens 1861 Meise | €791.7m | €352.0m | €112.6m | 372.3 | 2025 |
| 2 | Atlas International Investments 1140 Evere | €527.9m | — | €527.9m | — | 2025 |
| 3 | 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 |
| 4 | EnergyVision 9051 Ghent | €205.6m | €151.9m | €134.8m | 162.7 | 2025 |
| 5 | Aertssen Infra 2940 Stabroek | €173.1m | €199.1m | €47.7m | 337.0 | 2025 |
| 6 | Altebra 9500 Geraardsbergen | €165.2m | €60.6m | €34.2m | 101.3 | 2025 |
| 7 | Jacops 8540 Deerlijk | €160.1m | €271.1m | €54.1m | 647.4 | 2025 |
| 8 | Coselog 7522 Tournai | €137.1m | €30.2m | €30.0m | 186.0 | 2025 |
| 9 | Franki Foundations Belgium 1480 Tubize | €111.4m | €78.2m | €41.1m | 306.0 | 2025 |
| 10 | Altrad Services 9130 Beveren-Kruibeke-Zwijndrecht | €108.4m | €172.0m | €41.2m | 1,098.5 | 2025 |
| 11 | Imtech Belgium OU EN Francais Imtech Belgique OU EN Neerlandais Imtech Belgie 1070 Anderlecht | €99.2m | €192.3m | €37.5m | 568.2 | 2025 |
| 12 | Murpro Group 1440 Braine-le-Château | €93.1m | €2.21m | €90.2m | 19.5 | 2025 |
| 13 | TramContractors 1000 Brussels | €90.3m | €4.64m | €4.35m | — | 2025 |
| 14 | Renotec 2440 Geel | €89.6m | €241.0m | €25.2m | 844.5 | 2025 |
| 15 | EEG 8560 Wevelgem | €84.0m | €158.7m | €26.3m | 522.5 | 2025 |
| 16 | V.M.A. 9830 Sint-Martens-Latem | €83.7m | €106.8m | €24.6m | 324.0 | 2025 |
| 17 | Menatam 5020 Namur | €80.9m | €132.1m | €27.0m | 299.9 | 2025 |
| 18 | Sarens be 1861 Meise | €77.3m | €49.7m | €8.69m | 188.7 | 2025 |
| 19 | Dufour Transports et Manutentions 7522 Tournai | €77.1m | €42.8m | €25.1m | 106.4 | 2025 |
| 20 | Solutions 30 Belgium 2600 Antwerp | €76.6m | €98.8m | 309,381 € | 105.9 | 2025 |
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Where are they based?
Municipalities with the most
- 1070 Anderlecht676
- 3600 Genk402
- 1030 Schaerbeek370
- 1180 Uccle359
- 1000 Brussels346
- 1600 Sint-Pieters-Leeuw (Oudenaken, Sint-Laureins-Berchem)333
- 3550 Heusden-Zolder (Heusden, Zolder)332
- 8800 Roeselare (Beveren, Oekene, Rumbeke)326
- 9000 Ghent322
- 1080 Molenbeek-Saint-Jean318
- 1050 Ixelles314
- 9160 Lokeren (Daknam, Eksaarde)314
Sub-sectors
- 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
- 4324 Other construction installation1,374
- 4323 Installation of insulation1,222
- 4391 Masonry and bricklaying activities993
- 4311 Demolition598
- 4342 Other specialised construction activities in construction of buildings511
- 4313 Test drilling and boring273
- 4350 Specialised construction activities in civil engineering15
- 4360 Intermediation service activities for specialised construction services14
Frequently asked questions
How many Specialised construction activities companies are there in Belgium?
53,257 Belgian companies whose main activity falls under NACE code 43 (Specialised construction activities) have filed annual accounts with the National Bank.
What is the median solvency in Specialised construction activities?
For financial year 2024, median solvency (equity over total assets) is 45.6%. The middle half of companies lies between 23.6% and 68.4% (46,836 companies).
What is the largest company in Specialised construction activities?
By total assets, it is Sarens (€791.7m, financial year 2025).
Where are Specialised construction activities companies based?
The municipalities with the most: Anderlecht (676), Genk (402), Schaerbeek (370).
Analyse companies in Specialised construction activities
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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.