| SINGLE TREE ART INDUSTRY CO. LIMITED | Private company limited by shares | Live |
| SING FIELD ENGINEERING LIMITED | Private company limited by shares | Live |
| SINOMAC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| NICE SINO LIMITED | Private company limited by shares | Live |
| SINO CREATION LIMITED | Private company limited by shares | Dissolved |
| HANG SING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| BIG SINO (HONG KONG) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO ASCENT INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO VANTAGE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO GRAND LIMITED | Private company limited by shares | Dissolved |
| SINO RICH (H.K.) LIMITED | Private company limited by shares | Dissolved |
| PLUS SINO LIMITED | Private company limited by shares | Dissolved |
| SINO STAR ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TAK SING CONTRACTORS LIMITED | Private company limited by shares | Dissolved |
| WAH SING INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO VIEW (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SING CHANG TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO ROYAL LIMITED | Private company limited by shares | Dissolved |
| SINO CHINA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WING SING (BROS) LIMITED | Private company limited by shares | Live |
| SINO PROSPER TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOVATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO SIGNAL LIMITED | Private company limited by shares | Dissolved |
| SING TAT ENGINEERING HONG KONG LIMITED | Private company limited by shares | Live |
| HONG KONG SINO ARTS & CRAFTS LIMITED | Private company limited by shares | Dissolved |
| SINOCOM FINANCE LIMITED | Private company limited by shares | Dissolved |
| ASIA SIN SING TECHNOLOGY HOLDING LIMITED | Private company limited by shares | Dissolved |
| LEE SING MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINO YEAR TRADING LIMITED | Private company limited by shares | Dissolved |
| SINDO DAMAI (HK) LIMITED | Private company limited by shares | Live |
| SINO CHAMP INVESTMENT LIMITED | Private company limited by shares | Live |
| SING LI LACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING KONG SERVICE LIMITED | Private company limited by shares | Dissolved |
| GREAT SINO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO EQUITY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO EMPIRE LIMITED | Private company limited by shares | Dissolved |
| SINO FORCE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO WINNER LIMITED | Private company limited by shares | Dissolved |
| SINO FOCUS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINO-AUSTRALIA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOSTAR ENTERTAINMENT COMMUNICATIONS LIMITED | Private company limited by shares | Dissolved |
| SINOONLINE NETWORK COMPANY LIMITED | Private company limited by shares | Dissolved |
| PO SING ELECTRIC COMPANY LIMITED | Private company limited by shares | Live |
| SINOBIO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO GRAND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FUNG SING HANG (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| FAI SING (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO ORIENTAL LIMITED | Private company limited by shares | Dissolved |
| SINOESHOP.COM LIMITED | Private company limited by shares | Live |
| SINO OCEAN TRADING LIMITED | Private company limited by shares | Live |
| SINOMAX (HOLDING) GROUP LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL FOUNDATION LIMITED | Company limited by guarantee | Dissolved |
| SINOEHOME.COM LIMITED | Private company limited by shares | Live |
| SINOETRADE.COM LIMITED | Private company limited by shares | Live |
| SINO SMART INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINOMAX CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SING FAI INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SUI SING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO HEALTH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOLINK CENTURY LIMITED | Private company limited by shares | Dissolved |
| SINO TRADING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GOOD SINO ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO STEP INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO LIGHTER (WENZHOU) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO FIELD TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO CYBERWORK LIMITED | Private company limited by shares | Dissolved |
| UNITED SINO INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| FORTUNE SINO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| KAM SING (CHINA) TRANSPORTATION LIMITED | Private company limited by shares | Live |
| SINOSCAN LIMITED | Private company limited by shares | Dissolved |
| WAI SING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO INFO-TECH INVESTMENT HOLDING LIMITED | Private company limited by shares | Dissolved |
| POLY SINO (HK) LIMITED | Private company limited by shares | Live |
| SINO-USA INT'L FINANCE INV. GROUP LIMITED | Private company limited by shares | Live |
| SINO RESOURCES MINING CORPORATION LIMITED | Private company limited by shares | Live |
| SINO NATIONAL NETWORK LIMITED | Private company limited by shares | Dissolved |
| SINCERE TOP LIMITED | Private company limited by shares | Dissolved |
| Sino-Dutch Senior Care Service Group Limited | Private company limited by shares | Live |
| SINO VANTAGE ASIA LIMITED | Private company limited by shares | Live |
| SINCERE TOP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GLORY SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NORTH AMERICA SIN SING TECHNOLOGY HOLDING LIMITED | Private company limited by shares | Dissolved |
| SINO PROTECTION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINOBRAS TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO RIVER CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| SINO STAR INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO TECH ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| DIGITAL SINO LIMITED | Private company limited by shares | Dissolved |
| CYBER SINO LIMITED | Private company limited by shares | Dissolved |
| BEST SINO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO UNIT LIMITED | Private company limited by shares | Dissolved |
| HONEST SINO LIMITED | Private company limited by shares | Live |
| SINO VISION LIMITED | Private company limited by shares | Dissolved |
| SINOCYBER LIMITED | Private company limited by shares | Dissolved |
| SINOFAITH ENGINEERING MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINO CHANNEL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO ENERGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO POWER INFORMATION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO WELL MANAGEMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 04-Mar-2009 |