| HK Sounds Limited | Private company limited by shares | Live |
| SOUNDS BEST LIMITED | Private company limited by shares | Dissolved |
| Sounds of China Limited | Private company limited by shares | Live |
| KONG SOUNDS CO., LIMITED | | Live |
| COOL SOUNDS LIMITED | Private company limited by shares | Live |
| Fine Sounds Asia Limited | Private company limited by shares | Live |
| Fine Sounds Asia Pacific Limited | | Live |
| Sounds Global Limited | Private company limited by shares | Live |
| SOUNDS GOOD LIMITED | Private company limited by shares | Live |
| SOUNDS GOOD LIMITED | Private company limited by shares | Live |
| Sounds Good Creative Company Limited | Private company limited by shares | Live |
| SOUNDS GREAT LIMITED | Private company limited by shares | Live |
| KAM LOK DISCO LIGHTING & SOUNDS COMPANY LIMITED | Private company limited by shares | Live |
| MIRACLE SOUNDS COMPANY LIMITED | Private company limited by shares | Live |
| Sounds Great Multimedia Limited | Private company limited by shares | Live |
| Asia Sounds Music Limited | Private company limited by shares | Dissolved |
| Nature Sounds Limited | Private company limited by shares | Live |
| SOUNDS PURE LIMITED | Private company limited by shares | Live |
| SOUNDS RICH LIMITED | Private company limited by shares | Live |
| SOUNDS RIGHT LIMITED | Private company limited by shares | Live |
| Sounds of the Silenced Limited | Company limited by guarantee | Live |
| SOOTHING SOUNDS LIMITED | Private company limited by shares | Dissolved |
| Sounds and Stories Limited | Private company limited by shares | Live |
| SUREWIN SOUNDS LIMITED | Private company limited by shares | Dissolved |
| Symphonic Sounds Limited | Private company limited by shares | Live |
| Wandering Sounds Limited | | Live |
| Soundscape Limited | | Live |
| SOUNDSEC TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| SOUNDSOFT ELECTRONIC & AUDIO USA CO., LIMITED | Private company limited by shares | Live |
| SOUNDSOFT ELECTRONICS & AUDIO EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| SOUNDSOUL INFORMATION & TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| SoundSPAX LIMITED | | Live |
| SOUNDSTONE LIMITED | Private company limited by shares | Live |
| SoundStrong, Limited | Private company limited by shares | Live |
| SOUNDSWELL LIMITED | Private company limited by shares | Dissolved |