NATIONAL REVENUE AGENCY: http://www.nap.bg/en/

NATIONAL SOCIAL SECURITY INSTITUTE: http://www.nssi.bg/en/

NATIONAL STATISTICAL INTSTITUTE: http://www.nsi.bg/en/

COMMERCIAL REGISTRER: http://www.brra.bg/

REGISTRY AGENCY: http://www.registryagency.bg/en/

CUSTOMS AGENCY: http://customs.bg/en/

BULGARIAN INDUSTRIAL ASSOCIATION: http://www.bia-bg.com/

BULGARIAN CHAMBER OF COMMERCE AND INDUSTRY: http://www.bcci.bg/english/

COMMISSION FOR CONSUMER PROTECTION: http://www.kzp.bg/index.php?mode=post_Lang&pLang=en