Activities of membership organisations: largest employers
1,184 Belgian companies in the sector (NACE 94) 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).
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.
← The whole Activities of membership organisations sector
Frequently asked questions
Who is the largest employer in Activities of membership organisations?
Arktos, with 246.3 full-time equivalents reported (financial year 2025).
How many Activities of membership organisations companies report employees?
1,184 out of 1,804, in accounts less than 3 years old.
Analyse companies in Activities of membership organisations
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 14 Nov 2026.