Installation of insulation: highest published revenue
107 Belgian companies in the sector (NACE 4323) publish their revenue in recent accounts; here are the top 20. Altrad Services leads with €172.0m (financial year 2025).
Top 20
Ranked by revenue published in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Altrad Services 9130 Beveren-Kruibeke-Zwijndrecht | €108.4m | €172.0m | €41.2m | 1,098.5 | 2025 |
| 2 | Bilfinger Industrial Services Belgiê 2070 Beveren-Kruibeke-Zwijndrecht | €33.1m | €118.8m | €5.49m | 328.4 | 2025 |
| 3 | KAEFER België 9140 Temse | €23.2m | €53.3m | €8.69m | 265.9 | 2025 |
| 4 | EIB Insulation 2900 Schoten | €22.9m | €48.1m | €1.85m | 100.4 | 2023 |
| 5 | Murprotec 1440 Braine-le-Château | €18.1m | €45.0m | €8.28m | 48.3 | 2025 |
| 6 | Isoflex 1790 Affligem | €9.92m | €26.4m | €1.84m | 16.5 | 2025 |
| 7 | Roteam 1930 Zaventem | €10.6m | €20.7m | €5.26m | 15.7 | 2025 |
| 8 | Setip-Gcube 1083 Ganshoren | €9.76m | €20.3m | €3.37m | 58.2 | 2025 |
| 9 | Isolteam 8610 Kortemark | €6.21m | €14.6m | €4.76m | 33.7 | 2025 |
| 10 | G + H Montage 2040 Antwerp | €8.01m | €14.1m | €3.53m | 80.2 | 2025 |
| 11 | Dexion 1020 Brussels | €2.97m | €7.84m | €1.45m | 11.1 | 2025 |
| 12 | Isolatec 3500 Hasselt | €11.6m | €7.13m | €11.1m | 11.0 | 2025 |
| 13 | Les Erables 7522 Tournai | €15.8m | €4.63m | €12.0m | 180.1 | 2025 |
| 14 | Genisol 9940 Evergem | €4.00m | €3.04m | −€1.27m | 35.3 | 2024 |
| 15 | JK-Collectors 1970 Wezembeek-Oppem | 805,990 € | €2.50m | 512,547 € | 11.0 | 2025 |
| 16 | Rimann 1070 Anderlecht | €7.67m | €2.32m | €2.40m | — | 2024 |
| 17 | JG inv 2200 Herentals | €1.44m | €2.21m | −€1.01m | 2.8 | 2024 |
| 18 | ISO - Tech 1030 Schaerbeek | 843,438 € | €2.21m | 284,116 € | — | 2025 |
| 19 | Andre Warnier-Paque 4340 Awans | €2.62m | €1.94m | €2.02m | 4.4 | 2025 |
| 20 | Prosafe Construct 1030 Schaerbeek | 770,287 € | €1.91m | 103,981 € | — | 2025 |
These are the revenue figures published in the annual accounts. Small companies (micro and abridged accounts) do not have to publish theirs: they do not appear in this ranking.
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Frequently asked questions
Which company in Installation of insulation has the highest revenue?
Altrad Services, with €172.0m in revenue (financial year 2025).
How many Installation of insulation companies publish their revenue?
107 out of 1,225, in accounts less than 3 years old. Small companies (micro and abridged accounts) are not required to publish it.
Analyse companies in Installation of insulation
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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 12 Nov 2026.