| D & K Clinical Limited | Private company limited by shares | Live |
| Clinical Owl Limited | Private company limited by shares | Live |
| Apollo Clinical Enterprise Limited | Private company limited by shares | Live |
| BALANCE CLINICAL NUTRITION (CHINA) LIMITED | Private company limited by shares | Live |
| CLINICAL BIOMECHANICS CENTRE LIMITED | Private company limited by shares | Live |
| CENTRAL CLINICAL LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| CENTRAL CLINICAL LABORATORIES LIMITED | Private company limited by shares | Dissolved |
| HK O & P CLINICAL CENTRE LIMITED | Private company limited by shares | Live |
| CMEDICA Clinical Centre Limited | Private company limited by shares | Live |
| EDGE CLINICAL SOLUTIONS LIMITED | | Live |
| SH Clinical Excellence and Innovation Limited | Private company limited by shares | Live |
| Clinical Explorer HK Limited | Private company limited by shares | Live |
| NUTRICIA CLINICAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| VW Clinical Innovations Limited | Private company limited by shares | Live |
| MacroStat Clinical Research Co., Limited | Private company limited by shares | Dissolved |
| NoITCH Clinical Limited | Private company limited by shares | Live |
| Clinical Omics Limited | | Live |
| Premier Clinical Psych Limited | | Live |
| Esther Yu Fa Ng Clinical Psychologist Limited | Private company limited by shares | Live |
| Aoreg Clinical Studies Company Limited | Private company limited by shares | Live |
| WX Clinical Innovation Technology Limited | Private company limited by shares | Live |
| THEMIS Clinical Defence Limited | | Live |
| Velocyte Clinical Research Limited | Private company limited by shares | Live |