| SINAN LIMITED | Private company limited by shares | Live |
| SINAN CONSULTING LIMITED | Private company limited by shares | Live |
| SINAN ENGINEERING LIMITED | Private company limited by shares | Live |
| SINAN ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINAN GROUP LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Dec-2015 |
| SINAN INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SINAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Sinan Technology Limited | Private company limited by shares | Live |
| SINANOVA LIMITED | Private company limited by shares | Live |
| SINANTE TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |