The Hellenic Society for the Protection of Nature has gained the trust of its members, donors, and sponsors due to the transparency with which it handles its financial data for over 70 years.
- By the Audit Committee, a three-member committee elected by the General Assembly with a one-year term
- By the certified public accounting firm«atc Ορκωτοί Ελεγκτές Λογιστές Ε.Π.Ε.»