Use professional card; region-specific approval comes before visa.
Route overview
Typical timeline / duration: Professional card/visa D route; duration set by regional/immigration decision.
Important notes
Belgian Foreign Affairs pages state foreigners wishing to exercise a self-employed activity in Belgium must have a professional card, requested in the competent Region; after obtaining the professional card, a visa D can be submitted.
Checklist may include application form, police certificate, photos, passport, professional-card decision and fees.
Self-employed activity authorised by the professional card.