LIMOSA Registration for Workers & Self-Employed Posted to Belgium

• Registration in the LIMOSA system (limosa.be) — mandatory for posted workers
• Handles both employed workers and self-employed (JDG)
• Obtaining the A1 document (social security certificate)
• Single or recurring registration (per project or ongoing contract)
• Applicable to: construction, transport, services, IT

Timeline: 1–3 business days