| SOUNDLINK LIMITED | Private company limited by shares | Dissolved |
| SOUNDLINK ACOUSTIC SERVICES LIMITED | Private company limited by shares | Dissolved |
| SOUNDLINK DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUNDLINK (HK) INFORMATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SOUNDLINK TRADING (HONG KONG) LIMITED | Private company limited by shares | Live |
| Soundlink Technology International Limited | Private company limited by shares | Live |
| SOUNDLINK TRADING LIMITED | Private company limited by shares | Dissolved |