| Федерации |
Присваиваемые квалификации | ||||
| BSAC | Ocean Diver | Ocean Diver | Sports Diver | Dive Leader | Advanced Diver |
| PADI | Open Water Diver | Advanced Open Water Diver | Rescue Diver | Divemaster | |
| CMAS | 1 Star | 1 Star | 2 Star | 2 Star | 3 Star |
| NAUI | Scuba Diver | Advanced Scuba Diver | Scuba Rescue Diver | Divemaster | |
| SAA | Open Water Diver | Open Water Diver | Club Diver | Dive Leader | Dive Supervisor |
| SSI | Open Water Diver | Advanced Open Water Diver | Advanced Open Water Diver with "Stress and Rescue" Speciality | Dive Control Specialist | |
| NASDS | Open Water Diver | Advanced Open Water Diver | Rescue Diver | Dive Supervisor | |
| SDI | Open Water Diver | Advanced Diver | Rescue Diver | Divemaster | |
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- BSAC
- British Sub-Aqua Club. The BSAC is the governing body for the sport of scuba diving in the UK. It is a club-based organisation that offers training for members through a branch, or intensive courses through a BSAC school.
- PADI
- Professional Association of Diving Instructors. Worldwide organisation headquartered in America.
- CMAS
- Confédération Mondiale des Activites Subaquatiques (World Underwater Federation of Underwater Activities). Established 1959.
- NAUI
- National Association of Underwater Instructors. American based.
- SAA
- Sub-Aqua Association. British organisation.
- SSI
- Scuba Schools International. In the Spring of 1999, SSI merged with the National Association of Scuba Diving Schools.
- NASDS
- National Association of Scuba Diving Schools: now merged with SSI.
- SDI
- Scuba Diving International. Created in 1999 and grew out of sister company TDI, which specialises in the more advanced disciplines of technical dive training.
- SSAC
- Scottish Sub-Aqua Club. Founded in 1953. Like the BSAC it is a club-based organisation offering thorough training for Scottish conditions.
