Sector · NACE 94

Activities of membership organisations

1,803 Belgian companies whose main activity falls under NACE code 94 have filed annual accounts. Their median solvency is 63.0% for financial year 2024.

Companies1,803
Median solvency63.0%
Median equity487,281 €
Median headcount (FTE)8.1
Founded in the last 3 years51

Sector medians

Computed by Idonis

Distribution 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.

Indicator1st quartileMedian3rd quartileCompanies
Solvency 32.1%63.0%86.2% 1,503
Current ratio 1.322.495.67 1,436
ROE -3.2%2.7%13.0% 1,418
Equity 126,397 €487,281 €€1.89m 1,513
Total assets 346,745 €€1.03m€3.47m 1,525
Net result −23,705 €7,733 €69,322 € 1,513
Headcount (avg FTE) 4.08.116.4 1,111

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 membership organisations

Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.

#Company Total assetsRevenue EquityFTEYear
1 HELIOS Foundation 1050 Ixelles €279.3m — €277.8m 1.8 2025
2 Fonds Europeen pour la Democratie 1040 Brussels €254.6m — 20,250 € 79.7 2025
3 Centraal Initiatief voor Steun aan de Congregaties in het Aartsbisdom 2800 Mechelen €145.4m — €143.6m 14.8 2025
4 Solidariteit Tussen Congregaties - Bisdom Gent 9000 Ghent €111.0m — €110.3m 1.8 2026
5 Mercurian 1150 Woluwe-Saint-Pierre €105.1m — €101.2m 6.0 2025
6 Kom op tegen Kanker 1210 Saint-Josse-ten-Noode €104.5m €4.01m €43.9m 93.1 2025
7 Meliore 1000 Brussels €100.0m €79.9m €8.11m 37.6 2025
8 Stichting Vicariaat Vlaams-Brabant en Mechelen 2800 Mechelen €89.7m — €89.0m 7.0 2025
9 Agoria 1000 Brussels €83.0m €9.51m €70.6m 180.7 2025
10 Bisdom Antwerpen 2000 Antwerp €82.5m — €59.0m 12.6 2025
11 European Network of Transmission System Operators for Electricity 1000 Brussels €81.1m — €16.8m 171.7 2025
12 Comité belge pour l'UNICEF 1000 Brussels €78.6m 370,573 € €2.69m 31.8 2025
13 Archevêché de Malines-Bruxelles 2800 Mechelen €76.7m €2.88m €16.3m 92.3 2025
14 Crédal 1000 Brussels €74.1m €2.43m €49.9m 4.7 2025
15 Rode Kruis - Vlaanderen Internationaal 2800 Mechelen €73.7m 7,396 € €61.7m 26.8 2025
16 Fondation du Judaisme de Belgique 1060 Saint-Gilles €68.7m — €68.6m 1.2 2025
17 Touring Club Royal de Belgique - Koninklijke Belgische Touring Club - Köninglicher Belgischer Touring Club - Royal Touring Club Belgium - T.C.B. 1000 Brussels €66.4m 19,145 € €65.8m 3.0 2025
18 Patronale Dienst voor Organisatie en Kontrole van de Bestaanszekerheidsstelsels - Office patronal d'Organisation et de Côtrole des Régimes de Séc. d'Exis. 1000 Brussels €60.9m — €43.9m 13.7 2025
19 Het Bisdom Brugge 8000 Bruges €60.6m — €58.3m 13.0 2025
20 Association Jules Bordet 1070 Anderlecht €60.6m 164,268 € €56.1m 1.1 2025

“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.

Where are they based?

  • Brussels-Capital944
  • Antwerp147
  • Flemish Brabant128
  • East Flanders116
  • Namur98
  • Hainaut97
  • Liège88
  • West Flanders57
  • Walloon Brabant47
  • Limburg43
  • Luxembourg24

Municipalities with the most

Activities of membership organisations: rankings by region and province

The largest companies in the sector in each region and province, by municipality of the registered office. A ranking is published once 10 companies in the sector publish the figure there.

AreaTotal assetsRevenueHeadcount
Flanders LargestRevenueEmployers
Wallonia LargestRevenueEmployers
Brussels LargestRevenueEmployers
Antwerp province LargestRevenueEmployers
Flemish Brabant LargestRevenueEmployers
Limburg Largest—Employers
East Flanders LargestRevenueEmployers
West Flanders Largest—Employers
Walloon Brabant LargestRevenueEmployers
Hainaut LargestRevenueEmployers
Liège province LargestRevenueEmployers
Luxembourg province Largest—Employers
Namur province LargestRevenueEmployers

Sub-sectors

Frequently asked questions

How many Activities of membership organisations companies are there in Belgium?

1,803 Belgian companies whose main activity falls under NACE code 94 (Activities of membership organisations) have filed annual accounts with the National Bank.

What is the median solvency in Activities of membership organisations?

For financial year 2024, median solvency (equity over total assets) is 63.0%. The middle half of companies lies between 32.1% and 86.2% (1,503 companies).

What is the largest company in Activities of membership organisations?

By total assets, it is HELIOS Foundation (€279.3m, financial year 2025).

Where are Activities of membership organisations companies based?

The municipalities with the most: Brussels (365), Ixelles (131), Etterbeek (129).

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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.