| Company Name | Type | Status |
|---|---|---|
| Biosyn Investment Co., Limited | Private company limited by shares | Live |
| BIOSYN PHARMA CO., LIMITED | Private company limited by shares | Live |
| BIOSYN (HONG KONG) COMPANY LIMITED | Live | |
| BioSynergo HK Limited | Private company limited by shares | Dissolved |
| HYGIE BIO-SYNTH CONSULTING LIMITED | Private company limited by shares | Live |
| HK BIO-SYNTHESIS BIOTECHNOLOGY CO., LIMITED | Live | |
| BioSynthesis Pharma Group Limited | Private company limited by shares | Live |
| BIOSYNTHIS LIMITED | Private company limited by shares | Live |