All other professional, scientific and technical activities n.e.c.
1,904 Belgian companies whose main activity falls under NACE code 7499 have filed annual accounts. Their median solvency is 54.1% for financial year 2025.
Sector medians
Computed by IdonisDistribution across the sector's companies for financial year 2025: 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 | 23.1% | 54.1% | 76.9% | 1,724 |
| Current ratio | 1.02 | 1.89 | 3.97 | 1,727 |
| ROE | 8.7% | 31.5% | 70.1% | 1,560 |
| Equity | 17,213 € | 59,279 € | 159,165 € | 1,771 |
| Total assets | 56,850 € | 135,649 € | 346,627 € | 1,731 |
| Net result | 1,394 € | 21,690 € | 57,865 € | 1,762 |
| Headcount (avg FTE) | 0.3 | 1.0 | 4.0 | 202 |
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: All other professional, scientific and technical activities n.e.c.
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 | Vlaams Energiebedrijf 1000 Brussels | €120.0m | €847.0m | €50.5m | 103.9 | 2025 |
| 2 | Unimid 8680 Koekelare | €80.2m | — | €21.4m | — | 2025 |
| 3 | Bio Base Europe Pilot Plant 9042 Ghent | €47.0m | €15.4m | €24.0m | 152.2 | 2025 |
| 4 | Estor-Lux II 4000 Liège | €42.0m | — | €13.7m | — | 2025 |
| 5 | HEYARU Engineering 3920 Lommel | €39.0m | €8.47m | €18.6m | 3.6 | 2024 |
| 6 | Lineabertomani 1120 Brussels | €25.9m | — | €20.3m | — | 2025 |
| 7 | Marcelsio 1083 Ganshoren | €25.1m | — | €19.5m | — | 2025 |
| 8 | AQ Degassing 2030 Antwerp | €22.3m | — | €10.1m | 5.0 | 2025 |
| 9 | AQ Group 2030 Antwerp | €20.6m | — | −873,103 € | 1.6 | 2025 |
| 10 | Interspiro International 1180 Uccle | €19.7m | 229,445 € | €16.9m | — | 2025 |
| 11 | P95 3000 Leuven | €18.6m | €15.7m | €7.86m | 68.3 | 2024 |
| 12 | Vertical Compute 1348 Ottignies-Louvain-la-Neuve | €18.1m | — | €14.5m | 3.5 | 2025 |
| 13 | Greenhouse Talent 9000 Ghent | €18.0m | €45.3m | €7.10m | 28.4 | 2025 |
| 14 | Storm Olen 2600 Antwerp | €14.9m | — | €2.84m | — | 2025 |
| 15 | Biometh Quality Product 6240 Farciennes | €13.2m | — | €1.83m | 4.7 | 2024 |
| 16 | Comate Holding 3000 Leuven | €12.5m | 281,861 € | €10.5m | — | 2025 |
| 17 | Advanced Engineering Center 6000 Charleroi | €11.8m | — | €5.53m | 6.5 | 2025 |
| 18 | IBEVE vzw 3001 Leuven | €10.4m | €10.1m | €8.08m | 59.8 | 2025 |
| 19 | Smash Artist Services 2000 Antwerp | €10.2m | — | €1.18m | — | 2025 |
| 20 | Brussels Airport Sustainable Energy 1930 Zaventem | €9.17m | €1.15m | 552,723 € | — | 2025 |
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
See all 1,904 companies, full list →
Where are they based?
Municipalities with the most
Related sectors
← The whole Other professional, scientific and technical activities sector (NACE 74)
Frequently asked questions
How many All other professional, scientific and technical activities n.e.c. companies are there in Belgium?
1,904 Belgian companies whose main activity falls under NACE code 7499 (All other professional, scientific and technical activities n.e.c.) have filed annual accounts with the National Bank.
What is the median solvency in All other professional, scientific and technical activities n.e.c.?
For financial year 2025, median solvency (equity over total assets) is 54.1%. The middle half of companies lies between 23.1% and 76.9% (1,724 companies).
What is the largest company in All other professional, scientific and technical activities n.e.c.?
By total assets, it is Vlaams Energiebedrijf (€120.0m, financial year 2025).
Where are All other professional, scientific and technical activities n.e.c. companies based?
The municipalities with the most: Brussels (35), Antwerp (28), Ixelles (27).
Analyse companies in All other professional, scientific and technical activities n.e.c.
Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.
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.