Acerta
Legal entity: Acerta (social insurance fund)
Registration
INASTI/RSVZ (NISSE), List of social security funds (approved funds) + fund codes, fund code 010. Register (checked 2026-11-02).
Where it appears
- Best social insurance fund for self-employed in Belgium (2026)
Rank 6 of 8 rated · 4.7/10 · Working in Belgium
Best for: Starters who want English information and a combined business-counter start.