| ISO 9001:2015 Certificate | |||||
| ↓ | Certificate Management System as per ISO 9001:2015 Quality Management Systems - Requirements | By | |||
| 2022 | ![]() | ELKE PK - ISO 9001:2015 Certification | TÜV HELLAS (TÜV NORD GROUP) | ![]() | |
| ESPA Certificate | |||
| ↓ | Partnership Agreement 2014-2020 (ESPA) | By | |
| 2009 | ![]() | ELKE PK - ESPA Certification | Greek Ministry of Education and Religious Affairs |