| SING & PO INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| HING SING (HK) TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| SING TAT INDUSTRIAL (HK) LIMITED | Private company limited by shares | Dissolved |
| TOP SINCERE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO-AMERICA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINO-AMERICA COMMERCE LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SICHUAN FRIENDSHIP ASSOCIATION COMPANY, LIMITED | Company limited by guarantee | Live |
| SINO-AMERICA ASIA LIMITED | Private company limited by shares | Live |
| SINO CONCORD (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO HONOUR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SIGMA PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SIMIC ENTERPRISES AND HOLDING LIMITED | Private company limited by shares | Dissolved |
| SINO PHARMA BIOSCIENCES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO BUSINESS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DIAMOND SINO LIMITED | Private company limited by shares | Live |
| SINO CHASE ENTERPRISES LIMITED | Private company limited by shares | Live Ceased dormancy on 28-Aug-2009 |
| SINO HOUSE LIMITED | Private company limited by shares | Dissolved |
| SINO PIONEER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAY SING METAL MANUFACTORY LIMITED | Private company limited by shares | Live |
| OCEAN SINO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAX SILVER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WIN SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO FORTUNE LIMITED | Private company limited by shares | Live |
| MAX SINO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINOGOLD LIMITED | Private company limited by shares | Live |
| SINO MOST LIMITED | Private company limited by shares | Dissolved |
| LONG SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINO VICTORY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO DYNAMIC INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KWAN SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO SENIOR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SILICON VISION (HK) LIMITED | Private company limited by shares | Live |
| SINO GLORY ASIA LIMITED | Private company limited by shares | Dissolved |
| SHEEN SINO LIMITED | Private company limited by shares | Dissolved |
| SINO NATURAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| SINO BASIC LIMITED | Private company limited by shares | Live |
| SINO SMART LIMITED | Private company limited by shares | Live |
| SINO GOLD WORKS LIMITED | Private company limited by shares | Dissolved |
| ASIA SINCERE LIMITED | Private company limited by shares | Dissolved |
| CHEONG SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| KENG SING ELECTRONICS INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO MAX INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO POWER INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SILVERSTAND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GLORIOUS SILK FASHION LIMITED | Private company limited by shares | Dissolved |
| CHINA SINCERE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| GOLD SING MOTOR REPAIR LIMITED | Private company limited by shares | Dissolved |
| SINOGEM ASIA LIMITED | Private company limited by shares | Dissolved |
| SINCERE GOLD LIMITED | Private company limited by shares | Dissolved |
| SINO WINNER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SUN HANG SING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SUN HANG SING HOLDING LIMITED | Private company limited by shares | Dissolved |
| SINO EAGLE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINO ZOOM LIMITED | Private company limited by shares | Live |
| SINO LEGEND INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINOTOP RESOURCES LIMITED | Private company limited by shares | Dissolved |
| EASY SINO LIMITED | Private company limited by shares | Dissolved |
| SINO SPAIN LIMITED | Private company limited by shares | Dissolved |
| POWER SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BEST SINO TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO GRAND (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO ASIAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO GROUP PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINOTEX AGENCY LIMITED | Private company limited by shares | Dissolved |
| SINCERE TRADE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINO FORTUNE MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINOMACAU (ASIA) LIMITED | Private company limited by shares | Dissolved |
| CHEER SINO LIMITED | Private company limited by shares | Live |
| SILICON WORKSHOP LIMITED | Private company limited by shares | Live |
| SINO KENT LIMITED | Private company limited by shares | Dissolved |
| HONG KONG HUA DI SILICON MATERIALS LIMITED | Private company limited by shares | Dissolved |
| SING FAI INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINCERE TIME LIMITED | Private company limited by shares | Dissolved |
| CALEX SINO LIMITED | Private company limited by shares | Dissolved |
| SINO ORIENTAL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GOLD SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINO FIRST PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SINO TRANSPORT (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINOFERRO LIMITED | Private company limited by shares | Dissolved |
| SINO FAIR LIMITED | Private company limited by shares | Dissolved |
| SIFORD LIMITED | Private company limited by shares | Live |
| SI-CLASSIC AUTO LIMITED | Private company limited by shares | Dissolved |
| TAI SING FINE ANTIQUES LIMITED | Private company limited by shares | Live |
| SINO LINK GROUP LIMITED | Private company limited by shares | Dissolved |
| SIKONG INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SING LUNG INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO MASTER TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| PUI SING INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| SING KWONG PLASTIC BOXES FACTORY LIMITED | Private company limited by shares | Live |
| SINO WEAL LIMITED | Private company limited by shares | Dissolved |
| SINO VAST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO RELIANCE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CAPITAL SINO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SILVERCENTS FINANCE LIMITED | Private company limited by shares | Live |
| SINTEL LIMITED | Private company limited by shares | Dissolved |
| PO SING E & M ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MILLION SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO HONG KONG ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO VISTA CONSULTING LIMITED | Private company limited by shares | Dissolved |