All other professional, scientific and technical activities n.e.c.: highest published revenue
67 Belgian companies in the sector (NACE 7499) publish their revenue in recent accounts; here are the top 20. Vlaams Energiebedrijf leads with €847.0m (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 | Vlaams Energiebedrijf 1000 Brussels | €120.0m | €847.0m | €50.5m | 103.9 | 2025 |
| 2 | Greenhouse Talent 9000 Ghent | €18.0m | €45.3m | €7.10m | 28.4 | 2025 |
| 3 | P95 3000 Leuven | €18.6m | €15.7m | €7.86m | 68.3 | 2024 |
| 4 | Bio Base Europe Pilot Plant 9042 Ghent | €47.0m | €15.4m | €24.0m | 152.2 | 2025 |
| 5 | IBEVE vzw 3001 Leuven | €10.4m | €10.1m | €8.08m | 59.8 | 2025 |
| 6 | HEYARU Engineering 3920 Lommel | €39.0m | €8.47m | €18.6m | 3.6 | 2024 |
| 7 | Lam Research Belgium 3001 Leuven | €5.37m | €8.10m | €3.61m | 27.3 | 2025 |
| 8 | 2 Bridge 2980 Zoersel | €2.25m | €5.56m | €1.63m | 19.4 | 2025 |
| 9 | Research & Solutions 1853 Grimbergen | €1.57m | €2.36m | 537,373 € | 15.9 | 2025 |
| 10 | Safety Priority on Site 2060 Antwerp | 298,403 € | €1.67m | −222,007 € | 19.0 | 2025 |
| 11 | Brussels Airport Sustainable Energy 1930 Zaventem | €9.17m | €1.15m | 552,723 € | — | 2025 |
| 12 | European Organisation for Security 1000 Brussels | 853,919 € | 954,411 € | 215,800 € | 7.3 | 2025 |
| 13 | Stadsschouwburg Antwerpen NV 9000 Ghent | €4.55m | 782,780 € | €1.42m | — | 2025 |
| 14 | OR Consult 3550 Heusden-Zolder | 705,197 € | 747,854 € | 18,600 € | — | 2025 |
| 15 | The Marc Ceusters Company 3290 Diest | 547,923 € | 440,013 € | 537,456 € | — | 2025 |
| 16 | Christian Remy Expertises Medicales 4000 Liège | 369,286 € | 313,876 € | 146,424 € | 5.0 | 2025 |
| 17 | Comate Holding 3000 Leuven | €12.5m | 281,861 € | €10.5m | — | 2025 |
| 18 | Physiologiq 7522 Tournai | 197,680 € | 267,947 € | 63,523 € | — | 2024 |
| 19 | Rehubs Europe 1040 Etterbeek | 532,743 € | 250,000 € | 255,674 € | 1.0 | 2025 |
| 20 | Form Management 1060 Saint-Gilles | 235,137 € | 241,065 € | 231,378 € | — | 2024 |
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 All other professional, scientific and technical activities n.e.c. has the highest revenue?
Vlaams Energiebedrijf, with €847.0m in revenue (financial year 2025).
How many All other professional, scientific and technical activities n.e.c. companies publish their revenue?
67 out of 1,904, in accounts less than 3 years old. Small companies (micro and abridged accounts) are not required to publish it.
Analyse companies in All other professional, scientific and technical 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 13 Nov 2026.