| SIEBEL SYSTEMS ASIA LIMITED | Private company limited by shares | Dissolved |
| SIEBEL SYSTEMS CHINA/HONGKONG LIMITED | Private company limited by shares | Dissolved |
| SIEBENTHAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SIEBENWURST ASIA LIMITED | Private company limited by shares | Live |
| SIEBER CONSULTING LIMITED | Private company limited by shares | Dissolved |
| Siebermedia Limited | Private company limited by shares | Live |
| SIEBERTECH LIMITED | Private company limited by shares | Live |
| Siebey Limited | Private company limited by shares | Live |