| Sino Capital Group HK Limited | Private company limited by shares | Live |
| SINO HUNDRED LIMITED | Private company limited by shares | Live |
| SINO BRAND MANAGEMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO CHANCE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| BEST SINO GLOBAL LIMITED | Private company limited by shares | Dissolved |
| WISE SINO LIMITED | Private company limited by shares | Dissolved |
| SINOSWED INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| SINOTEC DIGITAL CO., LIMITED | Private company limited by shares | Live |
| SINO GROUP LIMITED | Private company limited by shares | Live |
| SING FUNG PIECE GOODS CO., LIMITED | Private company limited by shares | Live |
| SINOPOS INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINO WEALTH TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONG KONG SINO HERO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO FRIENDSHIP INT'L TRADING LIMITED | Private company limited by shares | Live |
| SINOPADY LIMITED | Private company limited by shares | Dissolved |
| SING WAH INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| LUCKY SINO LIMITED | Private company limited by shares | Live |
| SINO HORIZON LIMITED | Private company limited by shares | Dissolved |
| ARYAN SINO INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| GOLD SINO (H.K.) LIMITED | Private company limited by shares | Live |
| SINO DYNASTY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINUNT CO., LIMITED | Private company limited by shares | Live |
| SINLIN ELECTRONICS LIMITED | Private company limited by shares | Live |
| HAPPY SINO LIMITED | Private company limited by shares | Live |
| SINO PRIDE CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO RESOURCES IMPORT AND EXPORT COMPANY LIMITED | Private company limited by shares | Live |
| SING FUNG TECHNOLOGY CORPORATION LIMITED | Private company limited by shares | Live |
| SINGLIN IMPORTS & EXPORTS LIMITED | Private company limited by shares | Dissolved |
| SINOTEC INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO-LINK TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| SINO SALES AND SERVICE LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOTOP SUPPLY CHAIN COMPANY LIMITED | Private company limited by shares | Live |
| SINO SUNWAY ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| SINOCOM GROUP LIMITED | Private company limited by shares | Dissolved |
| SINOVEA LIMITED | Private company limited by shares | Live |
| SINO FAME TRADING LIMITED | Private company limited by shares | Live |
| SINO HUGE LIMITED | Private company limited by shares | Dissolved |
| Sinalaw Asia Pacific Limited | Private company limited by shares | Dissolved |
| SINOGLORY CORPORATION LIMITED | Private company limited by shares | Dissolved |
| KAM SING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINOTEX HK TRADING LIMITED | Private company limited by shares | Dissolved |
| LONG SINO LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL PROCUREMENTS GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO PEARL UNDERWRITERS LIMITED | Private company limited by shares | Live |
| SINOGEAR INVESTMENT LIMITED | Private company limited by shares | Live |
| Sinopet Limited | Private company limited by shares | Live |
| U. Sing Glass Limited | Private company limited by shares | Dissolved |
| SINOTOUCH LIMITED | Private company limited by shares | Live |
| SINO GOOD TRADING LIMITED | Private company limited by shares | Dissolved |
| HANG SING ACCESSORIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sing Ip Property Agency Limited | Private company limited by shares | Live |
| SINNEX INVESTMENT LIMITED | Private company limited by shares | Live |
| YUE SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| YEE SING ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| STRONG SINO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINGTEC SCIENCE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING FAI INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINOVE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINOTUNE CO., LIMITED | Private company limited by shares | Dissolved |
| SING MING TOURS LIMITED | Private company limited by shares | Live |
| KEI SING SCAFFOLDING CONSTRUCTION LIMITED | Private company limited by shares | Live |
| Sino Asia International Industrial Limited | Private company limited by shares | Live |
| SINO CHOICE LIMITED | Private company limited by shares | Live |
| SINO SPRING (FUJIAN) TRADING LIMITED | Private company limited by shares | Live |
| NEW SINO ELECTRONICS LIMITED | Private company limited by shares | Live |
| SINAROME SCIENCE & TECHNOLOGY GROUP CO., LIMITED | Private company limited by shares | Live |
| SINGLORY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINNET OVERSEAS TRADING PVT LIMITED | Private company limited by shares | Live |
| TELLUS SINO LIMITED | Private company limited by shares | Live |
| SINORIVER GROUP CO., LIMITED | Private company limited by shares | Live |
| HK SINCERE INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| SINO BEYOND LIMITED | Private company limited by shares | Dissolved |
| SINOXPLA LIMITED | Private company limited by shares | Live |
| RICH SINO INTERNATIONAL ENGINEERING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TAI SING PRODUCTS (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SINO PROSPER LIMITED | Private company limited by shares | Live |
| ITALY SINOTRADE CO., LIMITED | Private company limited by shares | Live |
| SINO HARBOUR ENGINEERING LIMITED | Private company limited by shares | Live |
| WING SING FASHION COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO-USA KE INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SINONET (ASIA) LIMITED | Private company limited by shares | Live |
| SING TAT MAINTENANCE & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SING & SING (HK) LIMITED | Private company limited by shares | Dissolved |
| HANG SING TRANSPORTATION (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO HEART LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Nov-2012 |
| FINE SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINCERE TRADING LIMITED | Private company limited by shares | Live |
| SING WAH INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO MASTER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO TARGET INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO UP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| YIP SING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINO TOP INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| Sinosia Assets Management Limited | Private company limited by shares | Live |
| CTO (CHINA) SINOLOG LIMITED | Private company limited by shares | Live |
| SINO DERSUN INT'L GROUP LIMITED | Private company limited by shares | Live |
| A SINGING DOG LIMITED | Private company limited by shares | Live |
| SINOHORSE INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |