| NAUTILUS LIMITED | Private company limited by shares | Dissolved |
| NAUTILUS LIMITED | Private company limited by shares | Live |
| NAUTILUS LIMITED | | Live |
| NAUTILUS CAPITAL LIMITED | Private company limited by shares | Live |
| Nautilus Capital Limited | | Live |
| NAUTILUS CARE COMPANY LIMITED | | Live |
| NAUTILUS (GREATER CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| HK NAUTILUS NETWORK CO., LIMITED | | Live |
| NAUTILUS CREATIVE CO LIMITED | Private company limited by shares | Dissolved |
| Nautilus Financial Limited | Private company limited by shares | Live |
| Nautilus Group Limited | Private company limited by shares | Dissolved |
| Nautilus Group Limited | Private company limited by shares | Live |
| NAUTILUS HEALTH LIMITED | Private company limited by shares | Dissolved |
| NAUTILUS INVESTMENTS LIMITED | Private company limited by shares | Live |
| Nautilus Network Limited | | Live |
| NAUTILUS ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| Nautilus Properties Limited | Private company limited by shares | Live |
| NAUTILUS PUBLISHING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Nautilus Technology Limited | Private company limited by shares | Live |
| HK NAUTILUS TRADE LIMITED | | Live |
| NAUTILUS SHIPPING AND TRADING LIMITED | Private company limited by shares | Dissolved |