| SINO-HK BEIJING JINGWEI DECORATION AND DESIGN COMPANY LIMITED | Private company limited by shares | Dissolved |
| PACIFIC SINO (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINCERE LUCK INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOACE LIMITED | Private company limited by shares | Dissolved |
| GRAND SIGN DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO ALLIED INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SIMSON INTERNATIONAL (GROUP) ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO CHAMPION (HONG KONG) LIMITED | Private company limited by shares | Live |
| FULL SINCERE LIMITED | Private company limited by shares | Dissolved |
| WING SING ENGINEERING (ASIA) LIMITED | Private company limited by shares | Live |
| SILVER WAY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| DYNAMIC SINO LIMITED | Private company limited by shares | Live |
| TSUN SING CONTAINER TRANSPORTATION CO. LIMITED | Private company limited by shares | Dissolved |
| CHINA SINCERE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOSTAR TRANSPORTATION (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO 21ST LIMITED | Private company limited by shares | Dissolved |
| SPEEDY SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| I.T.H. SILVERRANK LIMITED | Private company limited by shares | Live |
| SINOSPHERE LIMITED | Private company limited by shares | Dissolved |
| SILVERSOFT ASIA LIMITED | Private company limited by shares | Dissolved |
| SINOWEALTH WAREHOUSE & TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SINCERE TRINITY LIMITED | Private company limited by shares | Dissolved |
| TAK SING PAPER PRODUCTS CO. LIMITED | Private company limited by shares | Dissolved |
| SINEX INDUSTRIES LIMITED | Private company limited by shares | Live |
| BEST SINCERE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO SHIPPING LIMITED | Private company limited by shares | Dissolved |
| FIRST SINCERE LIMITED | Private company limited by shares | Dissolved |
| SILK ROAD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GRAND SINCERE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINOCEAN HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| BEST SINCERE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| FULL SINCERE TRADING LIMITED | Private company limited by shares | Dissolved |
| SIU'S ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SIXEDGE DEVELOPMENT CORPORATION LIMITED | Private company limited by shares | Live |
| EVER SINCERE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINO HARVEST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO CENTURY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO ACT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO TRUMP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO SHEEN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SING TAK NURSING HOME LIMITED | Private company limited by shares | Live |
| SILVER POWER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO FOUNDATION LIMITED | Private company limited by shares | Dissolved |
| LONG SING MANAGEMENT (AGENT) LIMITED | Private company limited by shares | Dissolved |
| SINO BUSINESS INFORMATION LIMITED | Private company limited by shares | Dissolved |
| BI SIRIUS LIMITED | Private company limited by shares | Dissolved |
| SILBERG LIMITED | Private company limited by shares | Dissolved |
| TOP SIGNAL LIMITED | Private company limited by shares | Dissolved |
| SIMPLE GRADE CONSULTANTS LIMITED | Private company limited by shares | Live |
| SINO RAM AVIATION SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| SINO BEST CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO JADE LIMITED | Private company limited by shares | Dissolved |
| YIK SING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO SOUTH (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO AIM INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINOFIRST (H.K.) LIMITED | Private company limited by shares | Live |
| KENTLAND (SINO) LIMITED | Private company limited by shares | Live |
| HONG KONG SINO CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| SINO AIM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING SUNG INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SOUTH SINO MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| STANDARD SINO LIMITED | Private company limited by shares | Dissolved |
| SINCERELY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SILVERMART INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO AMERICA PETROLEUM GROUP LIMITED | Private company limited by shares | Live Commenced dormancy on 25-Aug-2014 |
| CHUEN SING STAGE WORKS LIMITED | Private company limited by shares | Live |
| SING WA ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO RICH PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SIMPLE STAR ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINO RELIANCE LIMITED | Private company limited by shares | Dissolved |
| JET SINO LIMITED | Private company limited by shares | Live Commenced dormancy on 26-Nov-2001 |
| GROUP SINO LIMITED | Private company limited by shares | Dissolved |
| TOP SINO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINCERE INSURANCE AGENT LIMITED | Private company limited by shares | Dissolved |
| SINO FORTUNE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Sierra Wireless Hong Kong Limited | Private company limited by shares | Live |
| SING FAI CONSTRUCTION & ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCERE TALENT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ROYAL SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINGULUS VIKA CHINA LIMITED | Private company limited by shares | Dissolved |
| SINCERE HILL LIMITED | Private company limited by shares | Live |
| SINO ETERNAL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SIMIONATO (ASIA) CO., LIMITED | Private company limited by shares | Dissolved |
| SINCERE LINK LIMITED | Private company limited by shares | Dissolved |
| SITEK ENTERPRISE LIMITED | Private company limited by shares | Live |
| SILVER KIT JEWELLERY LIMITED | Private company limited by shares | Live |
| SILVER REALITY LIMITED | Private company limited by shares | Dissolved |
| SILVER ESSENTIAL LIMITED | Private company limited by shares | Dissolved |
| SINO EXPERT (HK) LIMITED | Private company limited by shares | Dissolved |
| SINCERE EDUCATIONAL ORGANISATION LIMITED | Company limited by guarantee | Dissolved |
| SINO SPINK GEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAI SING WOOD MODEL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO WOODLAND LIMITED | Private company limited by shares | Dissolved |
| SINO ELECTRONIC TOLLING HK LIMITED | Private company limited by shares | Dissolved |
| SUMMIT SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO KENT ASIA LIMITED | Private company limited by shares | Dissolved |
| FRENCH HUA SING GROUP (H.K.) LIMITED | Private company limited by shares | Dissolved |
| YIU SING ENGINEERING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SINO VICTORY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO FAME SHOES COMPANY LIMITED | Private company limited by shares | Dissolved |