Ranking · Activities of other membership organisations n.e.c.

Activities of other membership organisations n.e.c.: largest employers

639 Belgian companies in the sector (NACE 9499) report employees in recent accounts; here are the top 20. Arktos leads with 246.3 FTE (financial year 2025).

Top 20

Ranked by average headcount (FTE) reported in the latest filed accounts (accounts less than 3 years old).

#Company Total assetsRevenue EquityFTEYear
1 Arktos 3000 Leuven €10.4m 238,591 € €4.44m 246.3 2025
2 Oxfam Solidarite - Oxfam Solidariteit 1040 Brussels €47.1m €7.40m €19.2m 180.5 2025
3 European Network of Transmission System Operators for Electricity 1000 Brussels €81.1m — €16.8m 171.7 2025
4 Dokters van de Wereld - Medecins du Monde 1210 Saint-Josse-ten-Noode €35.4m — €3.22m 153.9 2025
5 jes 1080 Molenbeek-Saint-Jean €2.65m — €1.15m 104.4 2025
6 Kazou 1030 Schaerbeek €9.39m €21.1m €2.58m 100.2 2025
7 Pro Velo - Institut de Recherche et de Promotion du Vélo - Pro Velo - Instituut voor Onderzoek en Promotie van de Fiets 1050 Ixelles €3.33m — 444,423 € 95.3 2025
8 Archipel 1050 Ixelles €2.54m — €1.13m 94.6 2025
9 Kom op tegen Kanker 1210 Saint-Josse-ten-Noode €104.5m €4.01m €43.9m 93.1 2025
10 Cooperative for Assistance and Relief Everywhere, International 1000 Brussels €11.7m — 311,675 € 79.6 2025
11 Scouts en Gidsen Vlaanderen 2140 Antwerp €21.2m €5.21m €15.8m 77.4 2025
12 Amis des Iles de Paix 4500 Huy €12.6m 555,628 € €11.2m 75.0 2025
13 I.M. 1210 Saint-Josse-ten-Noode €57.7m 17,962 € €9.76m 74.7 2025
14 Greenpeace Belgium 1020 Brussels €6.24m €1.25m €4.27m 71.7 2025
15 Jeugdwelzijnswerk Ondersteuningsnetwerk Gent 9040 Ghent €2.14m — €1.10m 71.6 2025
16 OKRA, trefpunt 55+ 1030 Schaerbeek €7.05m €1.14m €4.94m 71.4 2025
17 Ferm 3018 Leuven €14.9m 549,276 € €6.54m 68.0 2025
18 De Brusselse Organisatie voor de Emancipatie van Jongeren 1080 Molenbeek-Saint-Jean €2.61m — €1.51m 67.3 2025
19 European Environmental Bureau 1000 Brussels €8.50m — 332,245 € 67.2 2025
20 Plan International Belgium 1000 Brussels €16.6m — €4.88m 67.0 2025

Headcount reported by the company for all its sites: the jobs may be located elsewhere.

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

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Frequently asked questions

Who is the largest employer in Activities of other membership organisations n.e.c.?

Arktos, with 246.3 full-time equivalents reported (financial year 2025).

How many Activities of other membership organisations n.e.c. companies report employees?

639 out of 993, in accounts less than 3 years old.

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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 14 Nov 2026.