Barry McGill
- Evolution/Inspi-Vision-Level1
- Evolution/Inspi-Vision-Level2
- Evolution/Inspi-Vision-Level3
- Gasblender
- Inspi-CLASSIC-Level1
- Inspi-CLASSIC-Level2
- Inspi-CLASSIC-Level3
- Instructor
- JJ-CCR-Level1
- JJ-CCR-Level2
- JJ-CCR-Level3
- OC-Advanced Trimix-Diver
- OC-Advanced-Nitrox-Open-Water-Diver
- OC-Deco-Diver
- OC-Dive-Guide
- OC-Drysuit
- OC-Extended Range-Diver
- OC-Nitrox-Diver
- OC-Recreational Trimix-Diver
- OC-Rescue
- Registriert
- Sentinel-CCR-Level1
- Sentinel-CCR-Level2