| AVAC BIOLOGICALS LIMITED | Private company limited by shares | Dissolved |
| CAMBRIDGE BIOLOGICALS LIMITED | Private company limited by shares | Live |
| GOLDFIRE BIOLOGICALS LIMITED | Private company limited by shares | Live |
| ANS BIOLOGICALS (HK) LIMITED | Private company limited by shares | Live |
| HONG KONG BIOLOGICALS COMPANY LIMITED | Private company limited by shares | Live |
| COAST BIOLOGICALS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| PHOENIX BIOLOGICALS LIMITED | Private company limited by shares | Dissolved |
| PHOENIX BIOLOGICALS INC., LIMITED | Private company limited by shares | Dissolved |
| BIO-LOGICS LIMITED | Private company limited by shares | Dissolved |
| Long Hwa Biologics Limited | Private company limited by shares | Live |
| TaurGem Biologics Limited | Private company limited by shares | Live |
| VRM Biologik Limited | Private company limited by shares | Live |
| BioLogiQ Limited | Private company limited by shares | Live |
| HK BIOLOGISTICS LIMITED | | Live |
| GLOBAL CHINESE MARINE BIOLOGISTS ASSOCIATION LIMITED | | Live |
| Biologix Limited | Private company limited by shares | Live |