| Smartek Limited | Private company limited by shares | Dissolved |
| Smartek Limited | Private company limited by shares | Live |
| Smartek Asia Limited | Private company limited by shares | Live |
| SHENZHEN SMARTEK TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SMARTEK ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| SMARTEK ENGINEERING INVESTMENT LIMITED | Private company limited by shares | Live |
| SMARTEK ENGINEERS LIMITED | Private company limited by shares | Dissolved |
| SmarTek Group Limited | Private company limited by shares | Live |
| SMARTEK E&M ENGINEERING (HK) LIMITED | Private company limited by shares | Live |
| SMARTEK TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| SMARTEK HOLDINGS CO., LIMITED | Private company limited by shares | Live |
| SMARTEK (HONGKONG) SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Smartek Inc. Limited | Private company limited by shares | Live |
| SMARTEK INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SMARTEK INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Smartek International Trading Limited | Private company limited by shares | Live |
| SMARTEK SECURITY SYSTEM CO., LIMITED | Private company limited by shares | Live |
| SMARTEK SOLUTIONS LIMITED | Private company limited by shares | Live |
| SMARTEK TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMARTEK TECHNOLOGY LIMITED | Private company limited by shares | Live |