| SINOTRON PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINO FORUM LIMITED | Private company limited by shares | Dissolved |
| ART SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINORICH ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO BRITISH TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO STAR CONSULTANTS LIMITED | Private company limited by shares | Live |
| KWUN SING ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO SINCERE LIMITED | Private company limited by shares | Live |
| SING LAW LAN GROUP LIMITED | Private company limited by shares | Dissolved |
| SinoMedia Holding Limited | Public company limited by shares | Live |
| WELL SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINOTECH LIMITED | Private company limited by shares | Live |
| SINO INVESTMENT ENTERPRISE LIMITED | Private company limited by shares | Live |
| NORDIC SINO INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| SINO CAPITAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO GLORY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO OCEAN LINE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINCERE BULLION LIMITED | Private company limited by shares | Live |
| SINOSERVICES COMPANY LIMITED | Private company limited by shares | Live |
| SINO ALLIED (CHINA) LIMITED | Private company limited by shares | Live |
| SINO ALLIED CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO JOY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOWAY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SUN SING GEOTECHNICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOLINK INCORPORATION LIMITED | Private company limited by shares | Live |
| SINOWIDE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO TRANSPORTATION AND SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SING KONG ELECTRIC (INT'L) LIMITED | Private company limited by shares | Dissolved |
| SING TEC ELEVATOR LIMITED | Private company limited by shares | Live |
| WAI SING FLOORING & WOOD WORKING LIMITED | Private company limited by shares | Dissolved |
| SINO TALENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINOSTAR CREATION LIMITED | Private company limited by shares | Dissolved |
| SINGA LINK LIMITED | Private company limited by shares | Dissolved |
| LINK SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TAK SING INSTRUMENT (H.K.) CO. LIMITED | Private company limited by shares | Dissolved |
| SINO GATEWAY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO TRADE (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO YIELD INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO TRADE ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINOGATE LIMITED | Private company limited by shares | Dissolved |
| SINO EXHIBITION SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO ART INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINCERE FORTUNE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO LINKAGE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO ASIA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FORTUNE SINCERE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO FIRST TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINO ART (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO-LINK TECHNOLOGY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EVER SINCERE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO DRAGON TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| IMPRESSIVE SINO LIMITED | Private company limited by shares | Dissolved |
| SINO ENTREPRENEURS LIMITED | Private company limited by shares | Dissolved |
| SINO SUPREME MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINO TOUR LIMITED | Private company limited by shares | Dissolved |
| SINO PIONEER CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO SURPLUS CONSULTANTS LIMITED | Private company limited by shares | Live |
| U.S.A. SINROLAN GARMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| SINOPOWER INTERNATIONAL INFORMATION CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| FAVOUR SINO LIMITED | Private company limited by shares | Dissolved |
| MAN SING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO GROUP INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SING LEE GOODS TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO PRANCE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO MAGIC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO-CAMBRIDGE LIMITED | Private company limited by shares | Dissolved |
| SINO RICH INVESTMENT LIMITED | Private company limited by shares | Live |
| TEAM SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO EVER LIMITED | Private company limited by shares | Dissolved |
| SINO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| U.S.A. SINROLAN GARMENT INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO SMART INVESTMENTS LIMITED | Private company limited by shares | Live |
| HK SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINOLINK ENTERPRISE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Sincere Property Agency Limited | Private company limited by shares | Dissolved |
| SINO WEALTHY (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO-NIHON ENTERPRISES (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| FULL SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO GLORY TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO LUCKY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOLION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO PALACE LIMITED | Private company limited by shares | Live Commenced dormancy on 24-May-2011 |
| SINOCHEST INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOSPAN LIMITED | Private company limited by shares | Live |
| SING-SIGNET LIMITED | Private company limited by shares | Live |
| GUANG SING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINROLAN (H.K.) INT'L GROUP SHARES LIMITED | Private company limited by shares | Dissolved |
| SINO-FAN LIMITED | Private company limited by shares | Live |
| SINO CENTURY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| U.S.A. SINLIDAR (INT'L) TECHNOLOGY DEV. LIMITED | Private company limited by shares | Dissolved |
| SINOLINK ENTERPRISE (HK) LIMITED | Private company limited by shares | Live |
| DAH SING INVESTMENTS (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO ACHIEVE CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| LEADER SINO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| MAX SINO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO TALENT PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SINO TOP CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINOWAY NETWORK LIMITED | Private company limited by shares | Dissolved |
| SINOCORP ASIA LIMITED | Private company limited by shares | Dissolved |