| 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 |
| SOUNDTECH LIMITED | Private company limited by shares | Dissolved |
| Cubic Scene SoundTech Limited | Private company limited by shares | Live |
| WELL SOUNDTECH LIMITED | Private company limited by shares | Dissolved |
| SOUNDTEX LIMITED | Private company limited by shares | Dissolved |
| SOUNDTO ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| SOUNDTONE LIMITED | Private company limited by shares | Dissolved |
| SOUNDTONE ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SOUNDTOP ASIA LIMITED | Private company limited by shares | Dissolved |
| SOUNDTOP ENTERPRISE LIMITED | Private company limited by shares | Live |
| SOUNDTOP PROPERTY LIMITED | Private company limited by shares | Dissolved |
| Soundtrack Limited | Private company limited by shares | Live |
| SOUNDTRADE LIMITED | Private company limited by shares | Live |
| SOUNDTRAK COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONGKONG SOUNDTREM ELECTRONIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SOUNDTRONICS LIMITED | Private company limited by shares | Live |
| Soundvibe Limited | | Live |
| SoundVision Limited | Private company limited by shares | Dissolved |
| SOUNDWALL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SOUNDWALLAH LIMITED | Private company limited by shares | Live |
| Soundwave Audio Limited | Private company limited by shares | Live |
| SOUNDWAVE INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUNDWAY LIMITED | Private company limited by shares | Dissolved |
| SOUNDWAY ASIA LIMITED | Private company limited by shares | Dissolved |
| HK SOUNDWAY ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SOUNDWAY ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUNDWAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SOUNDWAY TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| Soundwedge HK Limited | Private company limited by shares | Live |
| SOUNDWELL LIMITED | Private company limited by shares | Live |
| SOUNDWELL ELECTRIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUNDWELL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SOUNDWELL INVESTMENT LIMITED | Private company limited by shares | Live |
| SOUNDWELL INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUNDWILL LIMITED | Private company limited by shares | Dissolved |
| SOUNDWILL (CHINA) INVESTMENT LIMITED | Private company limited by shares | Live |
| SOUNDWILL CLUB LIMITED | Private company limited by shares | Live |
| SOUNDWILL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SOUNDWILL MORTGAGE FINANCE LIMITED | Private company limited by shares | Dissolved |
| Soundwill Group Limited | Private company limited by shares | Live |
| SOUNDWILL ADVISORS (HK) LIMITED | Private company limited by shares | Live |
| SOUNDWILL (HONG KONG) ENTERPRISES LIMITED | Private company limited by shares | Live |
| SOUNDWILL (HONG KONG) LIMITED | Private company limited by shares | Live |
| SOUNDWILL INFRASTRUCTURE LIMITED | Private company limited by shares | Live |
| SOUNDWILL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SOUNDWILL MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| Soundwill HR Management Limited | Private company limited by shares | Live |
| SOUNDWILL REAL ESTATE AGENCY LIMITED | Private company limited by shares | Live |
| SOUNDWILL REALTY LIMITED | Private company limited by shares | Dissolved |
| SOUNDWILL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUNDWIN ASIA LIMITED | Private company limited by shares | Live Commenced dormancy on 30-Sep-1997 |
| SOUNDWIN INVESTMENT LIMITED | Private company limited by shares | Live |
| SOUNDWIND RESOURCES LIMITED | Private company limited by shares | Dissolved |
| SOUNDWING ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| SOUNDWING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SOUNDWISE LIMITED | Private company limited by shares | Live |
| SOUNDWISE INVESTMENT LIMITED | Private company limited by shares | Live |
| SOUNDWOOD AUDIO SYSTEM LIMITED | Private company limited by shares | Live |
| SOUNDWORLD FINANCE LIMITED | Private company limited by shares | Dissolved |
| SOUNDX LIMITED | Private company limited by shares | Live |
| ENPING SOUNDY ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| HONG KONG SOUNDY INDUSTRIAL INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUNDY CREATIVE PRODUCTS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SOUNDYET ENTERPRISES LIMITED | Private company limited by shares | Live |
| Soundzip Limited | | Live |
| Soundzpace Limited | | Live |
| SOUNE LIMITED | Private company limited by shares | Live |