- ADVANTAGE AUSTRIA Austrian Embassy – Commercial Section
- Belgian Business Club
- British Chamber of Commerce in Hungary
- Hungarian-Bulgarian Chamber of Commerce
- Czech-Hungarian Business Club
- Dutch-Hungarian Chamber of Commerce
- Embassy of Denmark in Hungary
- Finnish Chamber of Commerce in Hungary
- French-Hungarian Chamber of Commerce and Industry
- German-Hungarian Chamber of Industry and Commerce
- Greek-Hungarian Chamber of Commerce
- Irish-Hungarian Business Circle
- Italian Chamber of Commerce in Hungary
- Lithuanian Embassy – Commercial Section
- Polish Embassy – Commercial Section
- Polish-Hungarian Chamber of Commerce
- Romanian Hungarian Business Circle Association
- Hungarian-Slovakian Chamber of Commerce and Industry
- Slovene-Hungarian Business Association
- Spanish Embassy – Commercial Section
- Swedish Chamber of Commerce in Hungary
- Swisscham
- Representation of the European Commission in Budapest
EU-Chambers 