Xerius
Legal entity: Xerius (social insurance fund)
Registration
INASTI/RSVZ (NISSE), List of social security funds (approved funds) + fund codes, fund code 002. Register (checked 2026-11-02).
Where it appears
- Best social insurance fund for self-employed in Belgium (2026)
Rank 1 of 8 rated · 5.9/10 · Working in Belgium
Best for: Cost-focused self-employed who are comfortable in Dutch or French.