| Chiron Limited | Private company limited by shares | Live |
| Chiron Point Capital Limited | | Live |
| Chiron Catering Company Limited | Private company limited by shares | Live |
| Chiron Eye Centre Limited | Private company limited by shares | Live |
| WENZHOU MA CHIRON CO., LIMITED | Private company limited by shares | Dissolved |
| Chiron Engineering Limited | Private company limited by shares | Live |
| CHIRON ENTERPRISES LIMITED | Private company limited by shares | Live |
| Chiron Point Gaia Limited | | Live |
| BC CHIRON GROUP LIMITED | | Live |
| CHIRON GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| CHIRON HEALTHCARE GROUP LIMITED | Private company limited by shares | Live |
| CHIRON AIR CARGO (HK) LIMITED | Private company limited by shares | Live |
| Chiron Hong Kong Limited | Private company limited by shares | Live |
| Chiron Industry Limited | Private company limited by shares | Live |
| CHIRON MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| Chiron Asset Management Limited | Private company limited by shares | Live |
| CHIRON ONCOLOGY CENTRE LIMITED | Private company limited by shares | Live |
| CHIRON OUTDOOR LIMITED | Private company limited by shares | Live |
| Chiron Sales Company Limited | | Live |
| Chiron Society Company Limited | Private company limited by shares | Live |
| Chiron Trading Limited | Private company limited by shares | Live |
| Chiron Group Trading Company Limited | Private company limited by shares | Live |
| Chiron Technology Trading Co., Limited | Private company limited by shares | Live |
| CHIRON WEAR COMPANY LIMITED | Private company limited by shares | Live |
| CHIRONET LIMITED | Private company limited by shares | Dissolved |