| QUADRO HK LIMITED | Private company limited by shares | Live |
| QUADROCOPTER HK LIMITED | Private company limited by shares | Live |
| QUADROLINK FINANCE LIMITED | Private company limited by shares | Live |
| QUADROLINK GROUP LIMITED | Private company limited by shares | Live |
| Quadrolink Asset Management Limited | Private company limited by shares | Dissolved |
| QUADROLINK RESOURCES LIMITED | Private company limited by shares | Live |
| QUADROLINK SHIPPING LIMITED | Private company limited by shares | Live |
| Quadrotel Limited | Private company limited by shares | Live |
| QUADROTRADE LIMITED | Private company limited by shares | Dissolved |