Official sources
Our information relies on the authoritative Luxembourg public sources.
- Guichet.lu: official administrative portal (procedures for citizens and businesses).
- MAEE: Ministry of Foreign and European Affairs / Immigration Directorate (visas, residence permits).
- MTEESS: Ministry of Labour (work authorisations, EU Blue Card).
- ADEM: National Employment Agency (vacancy declaration).
- Bierger-Center: City of Luxembourg (arrival declaration, certificates).
- RCS / LBR: Trade and Companies Register (company formation).
Legal references (Mémorial A) and numerical thresholds are verified and dated.