| Singto Technology (HK) Co., Limited | Private company limited by shares | Live |
| SINGTO INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SINGTO TRADING LIMITED | Private company limited by shares | Live |
| SINGTON LIMITED | Private company limited by shares | Dissolved |
| SINGTON TIN BOX LIMITED | Private company limited by shares | Live Commenced dormancy on 17-Mar-2010 |
| Sington Cans Limited | Private company limited by shares | Live |
| Singtone Telecommunication Trading Limited | Private company limited by shares | Live |
| HK SingTown Technology Co., Limited | Private company limited by shares | Live |