| ON SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| YUEN SOUND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ON SOUND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOURCE WOOD LIMITED | Private company limited by shares | Dissolved |
| SOONLY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SOUTHEAST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SOONEST EXPRESS (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| MASS SOURCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SOUTHERN LIMITED | Private company limited by shares | Live |
| AUDIO SOUND EXPORT (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SOUTHERN POINT RESOURCES LIMITED | Private company limited by shares | Dissolved |
| DATALAND SOFTWARE SYSTEM LIMITED | Private company limited by shares | Dissolved |
| REGENERATION SOCIETY LIMITED | Company limited by guarantee | Live |
| SOUND WIN LIMITED | Private company limited by shares | Dissolved |
| HAPPY SOURCE LIMITED | Private company limited by shares | Live |
| SOUNDKING LIMITED | Private company limited by shares | Dissolved |
| SOUND HORN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| YUEN SOME LIMITED | Private company limited by shares | Dissolved |
| SOUND KIND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CITI SOUND ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| SOLEX (FAR EAST) LIMITED | Private company limited by shares | Live |
| DIRECT SOUND LIMITED | Private company limited by shares | Dissolved |
| FRIEND SOUND LIMITED | Private company limited by shares | Dissolved |
| SOFT BANK LIMITED | Private company limited by shares | Dissolved |
| NEW SOUTH LIMITED | Private company limited by shares | Dissolved |
| HK PARKING SOLUTIONS LIMITED | Private company limited by shares | Live |
| SOLOFLIGHT ASIA LIMITED | Private company limited by shares | Dissolved |
| PARADISE SOURCE GROUP LIMITED | Private company limited by shares | Dissolved |
| SOUND FACTORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUTH MAX LIMITED | Private company limited by shares | Dissolved |
| ATLANTIC SOURCE LIMITED | Private company limited by shares | Dissolved |
| SONNET BUSINESS SYSTEMS LIMITED | Private company limited by shares | Live |
| HARBOUR SOURCE TRADING LIMITED | Private company limited by shares | Live |
| SOUTHILL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CENTRAL ASIA SOURCES LIMITED | Private company limited by shares | Dissolved |
| SOHO LIMITED -THE- | Private company limited by shares | Dissolved |
| WIN SOUTH LIMITED | Private company limited by shares | Dissolved |
| SOHWA COMPANY LIMITED | Private company limited by shares | Dissolved |
| SONDEX MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| SONDEX LIMITED | Private company limited by shares | Dissolved |
| SONIC LIMITED | Private company limited by shares | Live |
| SOCORP LIMITED | Private company limited by shares | Dissolved |
| HARBOUR SOURCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WH SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| BEST SOURCE ENTERPRISE LIMITED | Private company limited by shares | Live |
| LE SOMMET LIMITED | Private company limited by shares | Live |
| EAST SOURCES ELECTRONIC COMPONENTS LIMITED | Private company limited by shares | Dissolved |
| WELL SOURCE LIMITED | Private company limited by shares | Dissolved |
| SOME ART LIMITED | Private company limited by shares | Dissolved |
| CHINA SOLID LIMITED | Private company limited by shares | Dissolved |
| SOMERSET INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SOCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOFTSMITH SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TOP SOUTH LIMITED | Private company limited by shares | Dissolved |
| SOUND EMPIRE ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| SODEHCAM LIMITED | Private company limited by shares | Dissolved |
| SOLID RICH MACHINERY LIMITED | Private company limited by shares | Dissolved |
| NEW SOUND MAGNETIC TAPES COMPANY LIMITED | Private company limited by shares | Dissolved |
| FDS Solutions Limited | Private company limited by shares | Live |
| SONIN LIMITED | Private company limited by shares | Dissolved |
| CONCEPT SOURCE LIMITED | Private company limited by shares | Dissolved |
| BONDS & SONS LIMITED | Private company limited by shares | Dissolved |
| BOLD SOURCE INVESTMENT LIMITED | Private company limited by shares | Live |
| SONDA LIMITED | Private company limited by shares | Dissolved |
| SOUTHRIVE LIMITED | Private company limited by shares | Dissolved |
| ULTIMATE SOURCE LIMITED | Private company limited by shares | Dissolved |
| SOUND WILL FUNDAMENTAL INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SONFORM GARMENTS LIMITED | Private company limited by shares | Dissolved |
| SONWAY LIMITED | Private company limited by shares | Dissolved |
| SOLID MOLDS LIMITED | Private company limited by shares | Dissolved |
| SOUTH YET LIMITED | Private company limited by shares | Dissolved |
| CHINA SOUND INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WELL SOURCE PROMOTION LIMITED | Private company limited by shares | Dissolved |
| CHINA SOUTHERN COURIER COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELL SOURCES INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WIN SOURCES INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BEST SOURCES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SOUTHSEAS GRAINS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SOLID STAR COMPANY LIMITED | Private company limited by shares | Live |
| PTP SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| SOGAN LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS SOURCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| STRATEGIC SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| LEADING LIGHT SOCIETY LIMITED -THE- | Private company limited by shares | Dissolved |
| WELL SOURCES INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SOLIDUS ALUMINIUM LIMITED | Private company limited by shares | Live |
| SKY SOUTH LIMITED | Private company limited by shares | Dissolved |
| SOCIETE JPV LIMITED | Private company limited by shares | Dissolved |
| SOUTHSEA TIMBER MARKETING LIMITED | Private company limited by shares | Dissolved |
| SOWERS MINISTRY LIMITED -THE- | Company limited by guarantee | Live |
| BEST SOUND AUDIO VISUAL COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| SOUTHEAST CORPORATION LIMITED | Private company limited by shares | Dissolved |
| LONG SOURCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| MATE SOURCE LIMITED | Private company limited by shares | Dissolved |
| SOONWAY TRANSPORTATION AGENCY LIMITED | Private company limited by shares | Dissolved |
| SOUTHERN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SOLID GOLD JEWELLERY & GOLDSMITH COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUND BEST LIMITED | Private company limited by shares | Live |
| SOUTHLANE LIMITED | Private company limited by shares | Dissolved |
| GREAT SOURCE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |