| HYTE LIMITED | Private company limited by shares | Dissolved |
| HYTEC ELECTROPLATING LIMITED | Private company limited by shares | Dissolved |
| HY-TECH LIMITED | Private company limited by shares | Dissolved |
| HYTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HK HYTED TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HYTEK LIMITED | | Live |
| HYTELIK TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HYTERA LIMITED | Private company limited by shares | Live |
| Hytera communications Limited | Private company limited by shares | Live |
| Hytera Wenyuan (Hong Kong) Corporation Limited | | Live |
| Hytera High-Tech (Hong Kong) Company Limited | | Live |
| Hytera Communications (Hong Kong) Company Limited | Private company limited by shares | Live |
| Hytera Information (Hong Kong) Company Limited | | Live |
| Hytera International (Hong Kong) Company Limited | | Live |
| Hytera International Technology (Hong Kong) Company Limited | | Live |
| Hytera Technology (Hong Kong) Company Limited | Private company limited by shares | Live |
| HYTERA COMMUNICATION & SYSTEM LIMITED | Private company limited by shares | Live |
| Hytesoft (Hong Kong) Co., Limited | Private company limited by shares | Live |
| PERFECTION HY-TEST ASIA LIMITED | Private company limited by shares | Dissolved |