Business

Belgium — Business: Social Security

Belgium's social security system for business owners and employees is governed by a complex system of federal and regional laws, with varying requirements for foreign workers and foreign workers with a work permit.

VerifiedGovernment / official sourceYour entitlements under the Belgian social security systemLast reviewed: 2026-10-07

Key facts

  • Foreigners with a work permit in Belgium are required to enroll in the country's social security system.

Steps

  1. Step 1: Determine Social Security Obligations — Businesses and employees must determine their eligibility for and obligations under Belgium's social security system, including enrolling with the ONEm and registering with the relevant regional authorities.
  2. Step 2: Register with ONEm — Businesses must register with the National Social Security Office (ONEm) within the required time frame, but the exact timeframe is unclear.
  3. Step 3: Comply with Labor Laws — Businesses must comply with labor laws and regulations, including those managed by regional authorities.

Costs

  • Social Security Contributions: 13.07% of gross salary for salaried employees

Timelines

  • Registration with ONEm: unclear

Required documents

  • Work permit
  • Company registration documents
  • Proof of business activities

Common mistakes

  • Failing to register with the ONEm or regional authorities in a timely manner
  • Misunderstanding or failing to comply with labor laws and regulations

AI confidence note (remove before publishing)

This knowledge document is based on general background information and may not be entirely accurate due to the complexity and variability of Belgium's social security system. Further research and verification are recommended for specific business situations.

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