| SAMTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| SAMTECH LIMITED | Private company limited by shares | Live |
| HK SAMTECH LIMITED | Private company limited by shares | Live |
| Samtech HK Limited | Private company limited by shares | Live |
| SAMTECH ELECTRONICS LIMITED | Private company limited by shares | Live |
| SAMTECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SAMTECH LIGHTING LIMITED | Private company limited by shares | Live |
| SAMTECH MACHINERIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Samtech Machinery Limited | Private company limited by shares | Live |
| SAMTECH MANUFACTURING LIMITED | Private company limited by shares | Live |
| Samtech Telecommunications Limited | Private company limited by shares | Dissolved |