| SOURCEFUL COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SOCIETY OF NEPHROLOGY LIMITED | Company limited by guarantee | Live |
| MATTEL ASIA PACIFIC SOURCING LIMITED | Private company limited by shares | Live |
| SOUND VIEW ENTERPRISES LIMITED | Private company limited by shares | Live |
| SOUND WIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SOLDOUT INVESTMENT LIMITED | Private company limited by shares | Live |
| KEPNER-TREGOE SOUTHEAST ASIA LIMITED | Private company limited by shares | Live |
| CHINESE LANGUAGE SOCIETY OF HONG KONG LIMITED -THE- | Company limited by guarantee | Live |
| MAGNI SOUND ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| SOVEREIGN INVESTMENTS LIMITED | Private company limited by shares | Live |
| SOLID TRADING LIMITED | Private company limited by shares | Live |
| SOUND FAIR ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| SOME GAIN LIMITED | Private company limited by shares | Live |
| SOME LIKE LIMITED | Private company limited by shares | Dissolved |
| SOME CHANGE LIMITED | Private company limited by shares | Dissolved |
| SOUND WAY TRADING LIMITED | Private company limited by shares | Dissolved |
| TAKE SOME LIMITED | Private company limited by shares | Dissolved |
| L. P. CHAU & SONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRUE SOUND COMPANY LIMITED | Private company limited by shares | Live |
| C. & C. SOUNDAS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOME FRIEND LIMITED | Private company limited by shares | Dissolved |
| GOLD SOURCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| J AUCHINLECK & SONS, LIMITED | Private company limited by shares | Dissolved |
| SOUTHSEA LUMBER COMPANY (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SONARYO LIMITED | Private company limited by shares | Dissolved |
| SOBICA COMPANY LIMITED | Private company limited by shares | Dissolved |
| SORANY COMPANY LIMITED | Private company limited by shares | Dissolved |
| R.S.B. & SONS LIMITED | Private company limited by shares | Dissolved |
| SOMALILAND LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SOCIETY FOR THE AGED -THE- | Company limited by guarantee | Live |
| SOUSSE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| D. BARTHOLEMEW & SONS LIMITED | Private company limited by shares | Dissolved |
| MULTI SONIC MAGNETIC TAPE LIMITED | Private company limited by shares | Live |
| SOMALIA LIMITED | Private company limited by shares | Dissolved |
| T. J. RUSSELL AND SONS LIMITED | Private company limited by shares | Dissolved |
| SOLAR GENERAL LIMITED | Private company limited by shares | Dissolved |
| T. P. MA & SONS LIMITED | Private company limited by shares | Live |
| SOUTHSEAS FINANCE COMPANY, LIMITED | Private company limited by shares | Dissolved |
| NG CHUNG & SONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOVEREIGN BRACELETS LIMITED | Private company limited by shares | Dissolved |
| WONG & SONS ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SONWY OWL LIMITED | Private company limited by shares | Dissolved |
| GENERAL SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| FRIVEN EAGLETON SOURCING LIMITED | Private company limited by shares | Live |
| SOUND ADVISERS LIMITED | Private company limited by shares | Dissolved |
| SOURCE LOCATION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SORENTO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CHRISTIAN SOONG UN CHURCH LIMITED | Company limited by guarantee | Live |
| TAN YEW LAI AND SONS LIMITED | Private company limited by shares | Dissolved |
| AID SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| SOLYAR HOTELS LIMITED | Private company limited by shares | Dissolved |
| SOMERCOTES LIMITED | Private company limited by shares | Live |
| SOLWELL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SOLMORE LIMITED | Private company limited by shares | Dissolved |
| SOCIETY OF HONG KONG HOSPITALITY PROFESSIONALS LIMITED | Company limited by guarantee | Live |
| SOLONO CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| C & A Sourcing Limited | Private company limited by shares | Live |
| SOVIET INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SOUNDGOOD LIMITED | Private company limited by shares | Live |
| SOCIETE DES CINQ LIMITED | Private company limited by shares | Dissolved |
| BO SOUND ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| GOLD SOUND ENTERPRISES LIMITED | Private company limited by shares | Live |
| WELL SOUGHT LIMITED | Private company limited by shares | Live |
| MATSUYAMA NIKI AUTO ACCESSORIES & SOUND EQUIPMENT INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| GALAXY AUDIO SONICS LIMITED | Private company limited by shares | Dissolved |
| SOUND MOUNT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SOUTHTOWN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SOHO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GRAND SOLID ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOFTECH LIMITED | Private company limited by shares | Dissolved |
| SOUNDRIL LIMITED | Private company limited by shares | Dissolved |
| LICENSING EXECUTIVES SOCIETY (HONG KONG) LIMITED | Company limited by guarantee | Dissolved |
| SOOTY COMPANY LIMITED | Private company limited by shares | Dissolved |
| K.T. CHOW & SONS LIMITED | Private company limited by shares | Dissolved |
| SONY SCMK (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| AUDIO SONIC FAR EAST LIMITED | Private company limited by shares | Dissolved |
| CHINESE YOGA RESEARCH SOCIETY LIMITED | Company limited by guarantee | Dissolved |
| SONGSON INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| EASTERN SOFTWARE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SOUTHWAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| J.J. JORDAN & SONS LIMITED | Private company limited by shares | Dissolved |
| SOILS AND MATERIALS ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| RELIABLE SOURCE ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUNDER AGENCIES LIMITED | Private company limited by shares | Live |
| SOUTHBOUND LIMITED | Private company limited by shares | Dissolved |
| SOUNDER COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOLAREX ELECTRIC LIMITED | Private company limited by shares | Dissolved |
| SOLDERING & CUTTING MACHINE SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SOVENWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOURCE INTERIORS LIMITED | Private company limited by shares | Dissolved |
| SOFINA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SONOMA LIMITED | Private company limited by shares | Dissolved |
| SOLIMEX & COMPANY LIMITED | Private company limited by shares | Dissolved |
| GENIUS SOUND LIMITED | Private company limited by shares | Dissolved |
| SILVER SOUCE INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| NAZIR SONS LIMITED | Private company limited by shares | Dissolved |
| SONORITY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SOUTH VIEW COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOURCELAND LIMITED | Private company limited by shares | Dissolved |
| SOURCEGOOD LIMITED | Private company limited by shares | Live |