| SINO UNITED CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| CHINA SINO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YAT SING ELECTRICAL (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| CHINA SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOLINK GARMENT LIMITED | Private company limited by shares | Dissolved |
| REGENT SINO LIMITED | Private company limited by shares | Live |
| HONG SING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINO PHARMACEUTICALS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO CLEVER LIMITED | Private company limited by shares | Dissolved |
| SINOYIELD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO METRO LIMITED | Private company limited by shares | Dissolved |
| SINO-STATE TRADING LIMITED | Private company limited by shares | Dissolved |
| WING SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| EVER SINCERE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| HARBOUR SINCERE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINO REALITY LIMITED | Private company limited by shares | Dissolved |
| GLOBAL SINO ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO ELEGANT INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO ERA LIMITED | Private company limited by shares | Live |
| SINCERE EFFORT LIMITED | Private company limited by shares | Live |
| SUN SING CONS MATERIAL CO. LIMITED | Private company limited by shares | Live |
| SINGATRON INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| JET SINO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO HILL INVESTMENTS LIMITED | Private company limited by shares | Live Ceased dormancy on 23-Nov-2007 |
| WELL SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOLEX LIMITED | Private company limited by shares | Dissolved |
| TOP SINO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO DEVELOP LIMITED | Private company limited by shares | Live |
| TOP SINCERE (HONG KONG) LIMITED | Private company limited by shares | Live |
| TOP SINCERE ASIA LIMITED | Private company limited by shares | Dissolved |
| SINOPOWER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| FU SING COMPUTERS LIMITED | Private company limited by shares | Live |
| SINO TRINITY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO PEARL LIMITED | Private company limited by shares | Dissolved |
| SINO GATE CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO RIDER LIMITED | Private company limited by shares | Dissolved |
| GREAT SINO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO YEAR INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| PO SING ENGINEERING LIMITED | Private company limited by shares | Live |
| CHUNG HIAP SING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HONG KONG HANG SING TOYS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HANG SING MANUFACTURING (H.K.) LIMITED | Private company limited by shares | Live |
| HOP SING KNITTING FACTORY LIMITED | Private company limited by shares | Live |
| SINOKEY LIMITED | Private company limited by shares | Dissolved |
| SINOART SYSTEMS LIMITED | Private company limited by shares | Live |
| SINOLINK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING FAI ELECTRONICS INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| YIN SING TRADING LIMITED | Private company limited by shares | Dissolved |
| HING SING TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SINAN LIMITED | Private company limited by shares | Live |
| SINOVERSE INVESTMENTS LIMITED | Private company limited by shares | Live Ceased dormancy on 11-Dec-2006 |
| PO SING INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO HERO INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| SINO SUPREME ASIA LIMITED | Private company limited by shares | Live |
| SINCERE EFFORT INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO 1 LIMITED | Private company limited by shares | Dissolved |
| SINOUP LIMITED | Private company limited by shares | Dissolved |
| SINO LINK (ASIA) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ASIA SINO TRADING LIMITED | Private company limited by shares | Dissolved |
| PAK SING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SinoPac Capital Limited | Private company limited by shares | Live |
| SINO MASTER INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING KWONG PROPERTIES LIMITED | Private company limited by shares | Live |
| SING YIP CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| SIN-WIDESHINE MARITIME LIMITED | Private company limited by shares | Dissolved |
| SINOSOFT COMPUTER ENGLISH LEARNING CENTER LIMITED | Private company limited by shares | Dissolved |
| EVER SINO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO JET INTERNATIONAL LIMITED | Private company limited by shares | Live |
| YUEN SING YUEN LIMITED | Company limited by guarantee | Live |
| SINO SMART MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| HANG SING ENTERPRISES (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| LI SINE PLASTIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING YAN NURSING HOME LIMITED | Private company limited by shares | Live |
| SINO TRADE ASIA LIMITED | Private company limited by shares | Dissolved |
| SINO WORLD (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO BRIGHT CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO RICH ENGINEERING LIMITED | Private company limited by shares | Live |
| TOP SINO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO DATA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO MASTER SHIPPING AGENCY COMPANY LIMITED | Private company limited by shares | Live |
| CHAMPION SINO LIMITED | Private company limited by shares | Live Ceased dormancy on 11-Jun-2008 |
| ROYAL SINO LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN SINOTRANS (H.K.) CO., LIMITED | Private company limited by shares | Live |
| SINGARO IMPEX PTE LIMITED | Private company limited by shares | Dissolved |
| SINORIGHT TIMES LIMITED | Private company limited by shares | Live |
| PO SING ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| SINO CHAMP ENGINEERING LIMITED | Private company limited by shares | Live |
| ALLIED SINO CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WING SING TIMBER COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOWILL INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINOFLIGHT INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO HARBOUR TERMINALS (H.K.) LIMITED | Private company limited by shares | Live |
| SINO TURBO LIMITED | Private company limited by shares | Live |
| SINO POWER (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO POWER WATCH MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| SINO FIELD (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SINO POWER (ASIA) LIMITED | Private company limited by shares | Live |
| SING LEE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO LINKS LIMITED | Private company limited by shares | Dissolved |
| SINONET LIMITED | Private company limited by shares | Dissolved |