Compulsory social security activities: highest published revenue
28 Belgian companies in the sector (NACE 8430) publish their revenue in recent accounts; here are the top 20. Acerta Sociaal Verzekeringsfonds leads with €50.5m (financial year 2025).
Top 20
Ranked by revenue published in the latest filed accounts (accounts less than 3 years old).
These are the revenue figures published in the annual accounts. Small companies (micro and abridged accounts) do not have to publish theirs: they do not appear in this ranking.
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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 11 Nov 2026.