- Certificates awarded by the Hellenic Special Forces
- Professional Diving Certificates
- Diving Workshop License
- Speedboat Licenses
- Open Sea Skipper Sailing Licenses
- License from the First Instance Court Prosecutor for the assessment of diving accidents
- Certificate for “ Mapping Geo-Habitat & Maritime Cultural Heritage areas using geophysical methods”
- Operator of the decompression chamber certificate
- NITROX certificates
- Technical diving certificates
- Trimix diving certificates
- Mixed gases diving certificates
