| SONNECA LIMITED | Private company limited by shares | Dissolved |
| SONNECY Holding Co., Limited | | Live |
| SONNEG ASSET LIMITED | Private company limited by shares | Live |
| SONNENBERG LIMITED | Private company limited by shares | Dissolved |
| SONNENBLUME LIMITED | Private company limited by shares | Live |
| GERMANY SONNENSTRAHL GROUP CO., LIMITED | Private company limited by shares | Live |
| SONNER TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| SONNERGATE LIMITED | Private company limited by shares | Live |
| SONNET LIMITED | Private company limited by shares | Dissolved |
| SONNET LIMITED | Private company limited by shares | Dissolved |
| Le Sonnet Company Limited | | Live |
| SONNET CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 29-Feb-2016 |
| Sonnet Creative Limited | Private company limited by shares | Live |
| MCP SONNET INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SONNET INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SONNET INVESTMENTS LIMITED | Private company limited by shares | Live Commenced dormancy on 20-Jul-2005 |
| SONNET BUSINESS SYSTEMS LIMITED | Private company limited by shares | Live |
| SONNETAL LIMITED | Private company limited by shares | Dissolved |
| Sonneteck HK Company Limited | Private company limited by shares | Live |
| Sonneteck TJ Company Limited | Private company limited by shares | Live |
| SONNETT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SONNEX LIMITED | Private company limited by shares | Live |