Belgium
Making a publication in the Belgian Official Gazette
National Bank of Belgium – Check the annual and consolidated accounts submitted in the current calendar year and the five preceding calendar years, online and free-of-charge
ECB – looking up VAT numbers
List of approved entrepreneurs
Belgium.be – online services
FAMIFED – Federal Agency for Family Allowances for private citizens and professionals
Luxembourg
ITM – employment law, forms
Administration for registration, domains and VAT
Guichet.lu – tax, employment, social, family
Children’s future fund – family allowances etc.