| NEW SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| ASIA SINO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| TAI SING (HK) INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINOWAY CAPITAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| CHINA SIMPLE PRESS LIMITED | Private company limited by shares | Dissolved |
| ON SINO INTERNATIONAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| SINO BASE METAL CO., LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL CAPITAL LIMITED | Private company limited by shares | Live |
| TRIPLE SIGHT LIMITED | Private company limited by shares | Dissolved |
| SINO HOPE LIMITED | Private company limited by shares | Dissolved |
| SINO BEST METAL HONG KONG LIMITED | Private company limited by shares | Dissolved |
| WAI SING (INTERNATIONAL) TRADING LIMITED | Private company limited by shares | Live |
| SINOPARS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SIMPLEX LOGISTIC SOLUTIONS LIMITED | Private company limited by shares | Live |
| SINOKAM Limited | Private company limited by shares | Dissolved |
| MAN SING GARMENT FACTORY LIMITED | Private company limited by shares | Live |
| SINO METAL MINING INT'L LIMITED | Private company limited by shares | Dissolved |
| SINOLINK INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| HONGKONG LION SILICON METAL CO., LIMITED | Private company limited by shares | Dissolved |
| SINO LUCKY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SING FAI NON-WOVEN ENTERPRISE CO. LIMITED | Private company limited by shares | Dissolved |
| Silverlize Company Limited | Private company limited by shares | Dissolved |
| 2 SIMPLE TELECOM LIMITED | Private company limited by shares | Dissolved |
| SIMTECH HOLDING LIMITED | Private company limited by shares | Live |
| Sino American Energy (HK) Limited | Private company limited by shares | Dissolved |
| GREAT SINO (H.K.) LIMITED | Private company limited by shares | Live |
| SINOTAN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO TRUMP LIMITED | Private company limited by shares | Live |
| SIMPLICITY GROUP LIMITED | Private company limited by shares | Live |
| SINO HOME LIMITED | Private company limited by shares | Live |
| HK CHANGXING SILICON LIMITED | Private company limited by shares | Dissolved |
| Tenacity Sichuan Investment Company Limited | Private company limited by shares | Live |
| SINO ASIA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO VISION ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO 08 LIMITED | Private company limited by shares | Dissolved |
| SINOSKY SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SING YU (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO TRIFONE LIMITED | Private company limited by shares | Live |
| SIHWA ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| SINO FLAIR LIMITED | Private company limited by shares | Live |
| SINO LION LIMITED | Private company limited by shares | Dissolved |
| KA TA SING COMPANY LIMITED | Private company limited by shares | Live |
| YI SING ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| SIAM SPA & BEAUTY LIMITED | Private company limited by shares | Dissolved |
| CANADIAN SINOSUN ENERGY LIMITED | Private company limited by shares | Live |
| EXCEL SINCERE LIMITED | Private company limited by shares | Live |
| SINO AHEAD LIMITED | Private company limited by shares | Live Commenced dormancy on 16-Dec-2013 |
| OCEAN SIGNAL LIMITED | Private company limited by shares | Live |
| SINO-AUSTRIA ARCHITECTURAL DESIGN (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO PEARL LIMITED | Private company limited by shares | Live |
| SINO WEALTH CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SISCO SUN LIMITED | Private company limited by shares | Live |
| GRANT SINO LIMITED | Private company limited by shares | Live |
| SINO SUCCESS INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| SING FAI INDUSTRIAL HONG KONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO SOURCES HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO SOURCES ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO ACHIEVE LIMITED | Private company limited by shares | Live |
| Sigma-Aldrich Hong Kong Holding Limited | Private company limited by shares | Live |
| Silu Silk Road Limited | Private company limited by shares | Dissolved |
| SINO LINKER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO BOND INC. LIMITED | Private company limited by shares | Live |
| SINO VICTOR (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SIMTICO Shanghai International Medical Trade & Industry Co., Limited | Private company limited by shares | Dissolved |
| ASIA SIGHT LIMITED | Private company limited by shares | Live |
| SINO SIGHT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO FANTASY LIMITED | Private company limited by shares | Dissolved |
| SILVER WAY ASIA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO LINK TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO GROUP PROPERTIES LIMITED | Private company limited by shares | Live |
| SINO VIEW LIMITED | Private company limited by shares | Dissolved |
| SILVER-ONE PACIFIC LIMITED | Private company limited by shares | Live |
| SINO FOODS LIMITED | Private company limited by shares | Live |
| SINO CHANNEL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINOMNIS LIMITED | Private company limited by shares | Dissolved |
| SINOSTAR INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Live |
| SINO INVESTMENT GROUP (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| SINGYUANG TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| PACIFIC SINO MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SILKROAD INTERNATIONAL BUSINESS CO., LIMITED | Private company limited by shares | Live |
| SINO GOLD TENYA (HK) LIMITED | Private company limited by shares | Live |
| SINGAZO HOTEL GROUP CO. LIMITED | Private company limited by shares | Dissolved |
| SINO WINGS TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SIFOTEC LIMITED | Private company limited by shares | Live |
| HK YUYI SIMIAOTANG BIOTECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SIMPLIFY TRADING (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUN SINO ELECTRONICS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO PORT SHIPPING LIMITED | Private company limited by shares | Live |
| SINO BRIGHT CREATION LIMITED | Private company limited by shares | Dissolved |
| SILICON DEVICES TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SING FAI RECYCLING (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO DAY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO KING DREDGING LIMITED | Private company limited by shares | Dissolved |
| SINO VENUS LIMITED | Private company limited by shares | Live |
| SUPER SINO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TAK SING CONSTRUCTION CO. LIMITED | Private company limited by shares | Live |
| SINOMEX LIMITED | Private company limited by shares | Dissolved |
| SINO FIELD HONG KONG GROUP LIMITED | Private company limited by shares | Live Commenced dormancy on 14-Dec-2009 |
| SINO ASIA INC. LIMITED | Private company limited by shares | Live |
| SINGAPORE SOUTH EAST ASIA XINMA JIUWANGYE MEDICINE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |