| GEO DIAGNOSTICS LIMITED | Private company limited by shares | Dissolved |
| CCL DIAGNOSTICS LIMITED | Private company limited by shares | Dissolved |
| Top Diagnostics SRL Limited | Private company limited by shares | Live |
| MST DIAGNOSTICS HK LIMITED | Private company limited by shares | Live |
| GAP DIAGNOSTICS LIMITED | Private company limited by shares | Dissolved |
| TEK DIAGNOSTICS LIMITED | Private company limited by shares | Dissolved |
| Qi Diagnostics Limited | Private company limited by shares | Live |
| DIAGNOSTICS LIMITED | | Live |
| APAC Diagnostics Limited | Private company limited by shares | Live |
| BIO-ASIA DIAGNOSTICS COMPANY LIMITED | Private company limited by shares | Live |
| HK.DNA Diagnostics Centre Limited | Private company limited by shares | Live |
| HK.DNA Diagnostics Centre Limited | Private company limited by shares | Live |
| HEALTHCARE DIAGNOSTICS CHINA LIMITED | Private company limited by shares | Live |
| GENERAL DIAGNOSTICS LIMITED | | Live |
| HEALTHCARE DIAGNOSTICS LIMITED | Private company limited by shares | Live |
| DIAGNOSTICS-ACCESS COMPANY LIMITED | Private company limited by shares | Live |