| WEALTH SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO BENEFIT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINGYES ENGINEERING (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| SINO STAR ENERGY LIMITED | Private company limited by shares | Dissolved |
| VAST SINO CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO FAITH TRADING LIMITED | Private company limited by shares | Dissolved |
| ELITE SINO GARMENT LIMITED | Private company limited by shares | Live |
| SINO CREATIVE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO REGENT H.K. INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MOBILMADOIL SINOPEC OIL (CHINA) CO., LIMITED | Private company limited by shares | Dissolved |
| TRADE SINO LIMITED | Private company limited by shares | Live |
| SINOLONG ASIA LIMITED | Private company limited by shares | Live |
| RICH SINO FULL INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| Sino Harmony Technology Company Limited | Private company limited by shares | Live |
| YU SING ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO-AMERICA (ASIA-PACIFIC) ECONOMIC RESEARCH FOUNDATION LIMITED | Private company limited by shares | Live |
| NAM SING HK LIMITED | Private company limited by shares | Dissolved |
| SINO WISE CREATION LIMITED | Private company limited by shares | Dissolved |
| SINO RESOURCES LIMITED | Private company limited by shares | Live |
| SINO COMPASS LIMITED | Private company limited by shares | Dissolved |
| VENTURE SINO LIMITED | Private company limited by shares | Live |
| PLUS SINO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SUCCESS SINO CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO (HK) BUSINESS TRADING LIMITED | Private company limited by shares | Live |
| SINOHORSE GROUP LIMITED | Private company limited by shares | Live |
| SINO HK LINK INT'L LIMITED | Private company limited by shares | Dissolved |
| SinoTrend holding Limited | Private company limited by shares | Live |
| SING YIP LIMITED | Private company limited by shares | Dissolved |
| YAT SING PLASTIC METAL LIMITED | Private company limited by shares | Live |
| EAST SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINCERE TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| SUN SING ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HUA SING ELECTRONIC (HK) LIMITED | Private company limited by shares | Dissolved |
| SINOFOAM INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Sinocredit International Group Limited | Private company limited by shares | Dissolved |
| SINO CONTINENT TRADING CO., LIMITED | Private company limited by shares | Live |
| SINO KING ENERGY INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| RADIANT SINO LIMITED | Private company limited by shares | Live |
| TRADE SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO FAST LIMITED | Private company limited by shares | Dissolved |
| SINO-BENEFIT INSURANCE AGENCIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL LOGISTIC CO., LIMITED | Private company limited by shares | Dissolved |
| BRIGHT SINO LIMITED | Private company limited by shares | Live |
| SINO FAMOUS INVESTMENTS LIMITED | Private company limited by shares | Live |
| HK SINGWO INDUSTRIAL HOLDING LIMITED | Private company limited by shares | Live |
| Sinoma Investment (Hong Kong) Co., Limited | Private company limited by shares | Live |
| SING WAI HK CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| SINYE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SINO CHIPS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Sino Straits Trading Limited | Private company limited by shares | Live |
| SINO REACH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO BLOOM (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO-PREMIUM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO HONG KONG CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINEST CHAIN STORE (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SINO BESTBUY GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| SINO SUCCESS CHINA LIMITED | Private company limited by shares | Live |
| Sino Solar Technology (HK) Limited | Private company limited by shares | Live |
| SINOELECTRIC POWERTRAIN CO., LIMITED | Private company limited by shares | Live |
| BO SING TRADING LIMITED | Private company limited by shares | Live |
| SING LUNG CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINO EXPRESS PROPERTIES LIMITED | Private company limited by shares | Live |
| SINO HONOUR TRADING CO., LIMITED | Private company limited by shares | Live |
| SINROWSUN TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SINO WAY INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO VISION INTERNATIONAL INDUSTRY LIMITED | Private company limited by shares | Live |
| SINOPOWER INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SINOTEC INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| AMITY SINO LIMITED | Private company limited by shares | Live |
| Sindoh (Hongkong) Company Limited | Private company limited by shares | Live |
| DIN SINO VALVE GROUP CO., LIMITED | Private company limited by shares | Live |
| SINO HARVEST CORPORATION LIMITED | Private company limited by shares | Live |
| SINOLOHAS LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL (HONG KONG) INVESTMENT LIMITED | Private company limited by shares | Live |
| Sington Cans Limited | Private company limited by shares | Live |
| SINO CUBIC COMPANY LIMITED | Private company limited by shares | Live |
| SINO PAINTING & CALLIGRAPHY SPECIALIST ASSOCIATION LIMITED | Private company limited by shares | Live |
| SINOR LYCRA (HK) INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO ALLIANCE HONG KONG INVESTMENT LIMITED | Private company limited by shares | Live |
| Sino High-Tech Group Co., Limited | Private company limited by shares | Dissolved |
| Sino Trading & Service Company Limited | Private company limited by shares | Dissolved |
| SINO-UNIVERSE NET LIMITED | Private company limited by shares | Dissolved |
| SINO TRADE INVESTMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 06-Oct-2011 |
| SINMORE ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO STANDARD CREDIT ASSESSMENT CO., LIMITED | Private company limited by shares | Live |
| SINORY INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| FUZHOU SINOLINK IMP&EXP TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SINOLINK INTERNATIONAL INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Sino Prosper Mineral Products Limited | Private company limited by shares | Live |
| Storopack Sing Home Holding 1 Limited | Private company limited by shares | Live |
| SINOINDL COMPANY LIMITED | Private company limited by shares | Live |
| SINCOWN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| WING SING TRANSPORTATION TRADING LIMITED | Private company limited by shares | Live |
| CHINA RAILWAY SINOTRANS COMPANY LIMITED | Private company limited by shares | Dissolved |
| LEE SING GLOBAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING SUN INVESTMENT HONG KONG LIMITED | Private company limited by shares | Live |
| SINO WISDOM LIMITED | Private company limited by shares | Live |
| WING SING ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO RICH ENGINEERING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SINO-AGRIPARTS COMPANY LIMITED | Private company limited by shares | Live |