Activities of professional membership organisations
198 Belgian companies whose main activity falls under NACE code 9412 have filed annual accounts. Their median solvency is 69.4% 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 | 34.1% | 69.4% | 83.8% | 163 |
| Current ratio | 1.41 | 3.03 | 5.76 | 163 |
| ROE | -5.3% | 4.1% | 20.8% | 158 |
| Equity | 71,119 € | 323,185 € | €1.02m | 167 |
| Total assets | 184,935 € | 806,342 € | €2.03m | 166 |
| Net result | −20,740 € | 6,599 € | 63,008 € | 168 |
| Headcount (avg FTE) | 3.3 | 7.4 | 12.6 | 99 |
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: Activities of professional membership organisations
Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
See all 198 companies, full list →
Where are they based?
Municipalities with the most
Related sectors
← The whole Activities of membership organisations sector (NACE 94)
Frequently asked questions
How many Activities of professional membership organisations companies are there in Belgium?
198 Belgian companies whose main activity falls under NACE code 9412 (Activities of professional membership organisations) have filed annual accounts with the National Bank.
What is the median solvency in Activities of professional membership organisations?
For financial year 2025, median solvency (equity over total assets) is 69.4%. The middle half of companies lies between 34.1% and 83.8% (163 companies).
What is the largest company in Activities of professional membership organisations?
By total assets, it is GS1 (€35.7m, financial year 2024).
Where are Activities of professional membership organisations companies based?
The municipalities with the most: Brussels (55), Etterbeek (23), Ixelles (17).
Analyse companies in Activities of professional membership organisations
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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.