- Bulgarian Accreditation Service
- www.nab-bas.bg/bg/links
- Bulgarian Institute for Standardization (BDS)
- www.bds-bg.org/
- The Ministry of Regional Development and Public Works
- www.mrrb.government.bg/
- Ministry of the Interior
- www.mvr.bg/
- EGOLF
- www.egolf.org.uk/
- NANDO
- ec.europa.eu/growth/tools-databases/nando/