| Abio Limited | | Live |
| ABIOCO LIMITED | Private company limited by shares | Live |
| ABIOLA LIMITED | Private company limited by shares | Live |
| ABIONIC HK LIMITED | Private company limited by shares | Live |
| ABIOSCIENCE LIMITED | Private company limited by shares | Live |
| ABIoT Limited | Private company limited by shares | Live |
| Hong Kong Fay Abiotech Co., Limited | Private company limited by shares | Live |
| A-Biotech (Hong Kong) Company Limited | Private company limited by shares | Live |
| ENGINEERED ABIOTIC APPAREL LIMITED | Private company limited by shares | Live |