| H.T.C. INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HT-CANON CO., LIMITED | Private company limited by shares | Dissolved |
| HTCC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HTCE LIMITED | Private company limited by shares | Live |
| HONG KONG HTCH INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| HTCP Capital Management Limited | | Live |
| HT&CQ INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HTCX TECHNOLOGY (HK) LIMITED | | Live |
| HTCZZW LIMITED | Private company limited by shares | Live |