| HALCYON LIMITED | Private company limited by shares | Dissolved |
| HALCYON HK LIMITED | Private company limited by shares | Dissolved |
| Halcyon & Company Limited | Private company limited by shares | Live |
| Halcyon Asia Limited | Private company limited by shares | Live |
| BLACK HALCYON INVESTMENT LIMITED | Private company limited by shares | Live |
| HALCYON CAPITAL LIMITED | Private company limited by shares | Live |
| HALCYON - CHINA LIMITED | Private company limited by shares | Dissolved |
| HALCYON DAYS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HALCYON ENTERPRISE LIMITED | Private company limited by shares | Live |
| ETERNAL HALCYON LIMITED | Private company limited by shares | Live |
| Ever Halcyon HK Limited | | Live |
| HALCYON FINANCE LIMITED | Private company limited by shares | Live |
| HALCYON FREIGHT LIMITED | Private company limited by shares | Live |
| Halcyon Group Limited | Private company limited by shares | Live |
| Halcyon Digital Group Limited | | Live |
| HALCYON HEAVEN LIMITED | Private company limited by shares | Dissolved |
| Halcyon Network Limited | Private company limited by shares | Live |
| HALCYON OCEAN LIMITED | Private company limited by shares | Dissolved |
| HALCYON ADVERTISING & PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| HALCYON OCEAN SHIPPING LIMITED | Private company limited by shares | Live |
| HALCYON TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |