| PEC Dietitian HK Limited | Private company limited by shares | Live |
| Mint Dietitian Limited | | Live |
| SPORTS DIETITIAN LIMITED | Private company limited by shares | Live |
| Hong Kong Academy of Accredited Dietitians Limited | Company limited by guarantee | Live |
| DIETITIAN'S CHOICE COMPANY LIMITED | Private company limited by shares | Live |
| EVIDENCE-BASED DIETITIANS OF ASIAN PACIFIC CO., LIMITED | Private company limited by shares | Live |
| HONG KONG DIETITIANS ASSOCIATION LIMITED | Company limited by guarantee | Live |
| INTERNATIONAL DIETITIANS UNITED ASSOCIATION LIMITED | Private company limited by shares | Dissolved |