| SYNTEK ELECTRIC CO., LIMITED | | Live |
| SYNTEK DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Syntek Holdings Limited | Private company limited by shares | Live |
| SYNTEK COMPUTER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UNITED SYNTEK HONG KONG LIMITED | Private company limited by shares | Dissolved |
| HongKong SynTek Smart Technology Co., Limited | Private company limited by shares | Live |
| SYNTEK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SYNTEK INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SYNTEK RESOURCES LIMITED | Private company limited by shares | Dissolved |
| SYNTEK SYSTEMS LIMITED | Private company limited by shares | Live |