| Hyper-T Capital Limited | Private company limited by shares | Live |
| Hong Kong HyperTap Technology Limited | Private company limited by shares | Live |
| HK HYPERTAP INTERACTIVE TECH LIMITED | Private company limited by shares | Live |
| HYPER-TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hypertech PCB Limited | Private company limited by shares | Live |
| HYPER-TECH COMPANY LIMITED | Private company limited by shares | Live |
| HK Hypertech Limited | Private company limited by shares | Live |
| HYPER-TECH INNOVATIONS CO., LIMITED | Private company limited by shares | Dissolved |
| Hypertech Daco Limited | Private company limited by shares | Dissolved |
| Nova Hyper-Tech Limited | Private company limited by shares | Dissolved |
| HyperTech Solutions Limited | | Live |
| HYPERTEXT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Hongkong Hyper-Threading Technology Limited | | Live |
| HYPERTRADE LIMITED | Private company limited by shares | Dissolved |
| HyperTrans Limited | | Live |
| HYPERTREE LIMITED | | Live |
| HYPERTRONICES LIMITED | Private company limited by shares | Dissolved |