| Hyber Investment Co. Limited | Private company limited by shares | Live |
| Hyberlink Limited | | Live |
| Hybern Energy Hong Kong Limited | | Live |
| HYBERNIA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HONG KONG HYBEROCK TRADING LIMITED | Private company limited by shares | Live |
| HYBERPACK PRODUCTIONS LIMITED | Private company limited by shares | Live |
| HYBERTECH ENTERPRISE (HONG KONG) LIMITED | Private company limited by shares | Live |
| HYBERTONE TECH LIMITED | Private company limited by shares | Live |
| HYBERTONE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HYBEST INTERNATIONAL GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |