| POP SOUND MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOFTWAY INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUND SOUND MUSIC PUBLISHING CO. LIMITED | Private company limited by shares | Live |
| SO'S HOP HING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOLIDEX LIMITED | Private company limited by shares | Dissolved |
| MULTI SOUND INVESTMENT LIMITED | Private company limited by shares | Live |
| EAST SOURCE METALWARES MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| CHINA SOURCES MANUFACTURING COMPANY LIMITED | Private company limited by shares | Live |
| SOUND MASTER ELECTRONICS (H.K.) LIMITED | Private company limited by shares | Live |
| IDEAL SOUND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SOUND SECRETARIAL SERVICES LIMITED | Private company limited by shares | Live |
| HONG KONG SOCIETY OF MEDICAL COMPUTING LIMITED -THE- | Company limited by guarantee | Dissolved |
| CHINA SOURCES INTERNATIONAL (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA SOURCES INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOFTWORLD LIMITED | Private company limited by shares | Dissolved |
| SILVER SOUND LIMITED | Private company limited by shares | Dissolved |
| SONNENBERG LIMITED | Private company limited by shares | Dissolved |
| SOARGAIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| FAMOUS SOUND COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOFTWEAR EXPORT LIMITED | Private company limited by shares | Dissolved |
| KAU CHI SOCIETY LIMITED -THE- | Company limited by guarantee | Live |
| SOUND CREATION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SOMTRON COMPANY LIMITED | Private company limited by shares | Dissolved |
| BRS SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| SOCIETY FOR SOCIAL RESEARCH LIMITED | Private company limited by shares | Dissolved |
| SOLVEST CO., LIMITED | Private company limited by shares | Live |
| CHINA SOURCES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOFAER ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| SOLID-TRU REALTY LIMITED | Private company limited by shares | Live |
| TAK LIM & SONS LIMITED | Private company limited by shares | Live |
| CHEWLEE & SONS LIMITED | Private company limited by shares | Dissolved |
| LA SOUNDA COMPANY LIMITED | Private company limited by shares | Dissolved |
| BRIGHT SOUND LIMITED | Private company limited by shares | Dissolved |
| SOTHIC LIMITED | Private company limited by shares | Dissolved |
| SOLARWIDE COMPANY LIMITED | Private company limited by shares | Dissolved |
| JADE SOUND COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOTHERTON LIMITED | Private company limited by shares | Dissolved |
| HONG KONG PRO-OPERA SOCIETY LIMITED | Company limited by guarantee | Dissolved |
| SOVEREGIN COMPANY LIMITED | Private company limited by shares | Live |
| SOUTHFIELD INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| BOB GOKAL & SONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| SOLID VIEDO LIMITED | Private company limited by shares | Live |
| DAE MIN SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| AFE SOLUTIONS LIMITED | Private company limited by shares | Live |
| SOLARY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SONARE LIMITED | Private company limited by shares | Dissolved |
| SILVER SOURCES LIMITED | Private company limited by shares | Dissolved |
| EAST SOUND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ABLE SOUND LIMITED | Private company limited by shares | Dissolved |
| WK SOURCING LIMITED | Private company limited by shares | Live |
| SOLAR YEAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOLID KING SECURITIES LIMITED | Private company limited by shares | Live |
| SOFIPAR INTERNATIONAL (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SOONSEN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Y. P. LEE & SONS LIMITED | Private company limited by shares | Dissolved |
| SONTAK COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOLE DRAGON COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOLIDEM LIMITED | Private company limited by shares | Dissolved |
| SOLUXE LIMITED | Private company limited by shares | Dissolved |
| SOLIDPLAN INSURANCE CONSULTANT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOTREFE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| DRAGON SOURCE LIMITED | Private company limited by shares | Live |
| SIKH EDUCATION SOCIETY LIMITED | Private company limited by shares | Dissolved |
| BON SOLEIL LIMITED | Private company limited by shares | Dissolved |
| SOUTH-EAST MEDICAL LABORATORY CENTRE LIMITED | Private company limited by shares | Dissolved |
| SOUND INSURANCE AGENCY LIMITED | Private company limited by shares | Dissolved |
| SOWALAN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| Ralph Lauren Sourcing Company Limited | Private company limited by shares | Live |
| FRANCO ASIATIQUE SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| SOUND HILL LIMITED | Private company limited by shares | Dissolved |
| ABC SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| CHAN CHI TIN & SONS LIMITED | Private company limited by shares | Live |
| NEXT SOURCING LIMITED | Private company limited by shares | Live |
| AIR SOUND MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| OCEAN SOURCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SKY SOUND LIMITED | Private company limited by shares | Live |
| Somerley International Limited | Private company limited by shares | Live |
| SOLID COMPANY LIMITED | Private company limited by shares | Live |
| CROWN SOUND LIMITED | Private company limited by shares | Dissolved |
| FOUNTAIN SOUND LIMITED | Private company limited by shares | Dissolved |
| SHEEN SOUND LIMITED | Private company limited by shares | Dissolved |
| KEEP SOUND LIMITED | Private company limited by shares | Dissolved |
| SOON DAI ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SOWELL LIMITED | Private company limited by shares | Dissolved |
| CHIEF SOURCES TRADING LIMITED | Private company limited by shares | Dissolved |
| SOFTWAY LIMITED | Private company limited by shares | Dissolved |
| SOUTH YEARS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ALTERNATE SOURCE LIMITED | Private company limited by shares | Live |
| SOUTHERN LAKE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUTHERN SKY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CRYSTAL SOUND LIMITED | Private company limited by shares | Dissolved |
| POWER SOUND LIMITED | Private company limited by shares | Dissolved |
| L.H. SHAHANI AND SONS LIMITED | Private company limited by shares | Live |
| K. GOPALDAS & SONS LIMITED | Private company limited by shares | Dissolved |
| SOUND VENTURE INVESTMENTS LIMITED | Private company limited by shares | Live |
| HONG KONG MULTIPLE SCLEROSIS SOCIETY LIMITED | Company limited by guarantee | Dissolved |
| SOARICH LIMITED | Private company limited by shares | Live |
| SPEEDY SOUND LIMITED | Private company limited by shares | Live |
| SUN SOURCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOLARFIELD COMPANY LIMITED | Private company limited by shares | Dissolved |