Hellenic Organization for Standardization (ELOT) was established in 1976, by Law 372/1976, as the National Standardization Body in Greece. Since 2013 and following the establishment of the National Quality Infrastructure System (NQIS) by Law 4109/2013, it operates as a decentralized autonomous operational unit of the National Quality Infrastructure System (NQIS/ELOT).

NQIS/ELOT is the recognized National Member of the International Organization for Standardization (ISO), the International Electrotechnical Commission (IEC), the European Committee for Standardization (CEN) and the European Committee for Electrotechnical Standardization (CENELEC) and is the National Standards Organization (NSO) in the European Telecommunications Standards Institute (ETSI)

NQIS/ELOT has the exclusive responsibility for the development, implementation, promotion and dissemination of Standardization in Greece and all related activities that derive from it such as provision of all forms of information services and education and realization of research activities and projects that fall within its scope and responsibilities.

Standardization work is realized through 17 Sector Committees and more than 100 Technical Committees and Working Groups by utilizing a network of more than 1.000 distinguished Greek standardization experts.