| SINO TOPLEADER TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| SINO MICROMEDIA GROUP CO., LIMITED | Private company limited by shares | Live |
| WAH SING FASHION (HK) LIMITED | Private company limited by shares | Live |
| Sinolink Technologies Group Limited | Private company limited by shares | Live |
| SINO SPLENDID INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| SINO SCIENTIFIC CULTURAL INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| Sincere Grace Management Company Limited | Private company limited by shares | Live |
| SINO LIGHT GROUP LIMITED | Private company limited by shares | Live |
| Dalian Sinyo International Trade Co., Limited | Private company limited by shares | Live |
| Sinoglen Resources Company Limited | Private company limited by shares | Live |
| Sing Fat Network Limited | Private company limited by shares | Live |
| INDO SINO (HK) LIMITED | Private company limited by shares | Live |
| SINO CREDIT MATERIALS LIMITED | Private company limited by shares | Live |
| Sino Morgan Limited | Private company limited by shares | Live |
| Sino Grand time Technology Co., Limited | Private company limited by shares | Live |
| SINOTRACK TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG SINO ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO GOLDEN ENERGY RESOURCES (HONGKONG) LIMITED | Private company limited by shares | Live |
| Sino Edge Power Limited | Private company limited by shares | Live |
| Sino Edge Management Limited | Private company limited by shares | Live |
| SINO UNICHEM INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| TOP SING INVESTMENT LIMITED | Private company limited by shares | Live |
| SING CHOW CONSTRUCTION LIMITED | Private company limited by shares | Live |
| Sincere & Humble Company Limited | Private company limited by shares | Live |
| SINO MEDICAL GROUP LIMITED | Private company limited by shares | Live |
| SINO PHARMACEUTICAL GROUP LIMITED | Private company limited by shares | Live |
| SINGLINK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SING HO (HK ENGINEERING) COMPANY LIMITED | Private company limited by shares | Live |
| SINO FINANCE GLOBAL ENERGY GROUP LIMITED | Private company limited by shares | Live |
| SINCERE AO TRADING LIMITED | Private company limited by shares | Live |
| MAN SING CONSTRUCTION LIMITED | Private company limited by shares | Live |
| SPEEDY SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| Sino Commodity and Precious Metal Investments Limited | Private company limited by shares | Live Commenced dormancy on 23-May-2016 |
| Sino Industrial Consulting & Resources Co., Limited | Private company limited by shares | Live |
| SINO WINNER CORPORATION LIMITED | Private company limited by shares | Live |
| SINO US JOINT ENERGY TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| SINO TREASURE INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINOPORT GROUP (CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| SINKO INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| POLY SINO CONSULTANTS LIMITED | Private company limited by shares | Live |
| SINGER TEX CO., LIMITED | Private company limited by shares | Live |
| SING FAI HONG COMPANY LIMITED | Private company limited by shares | Live |
| SINOTRADE BUILDING MATERIALS CO., LIMITED | Private company limited by shares | Live |
| SINCERE STAR LIMITED | Private company limited by shares | Live |
| EDGE SINO (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO LEAD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| First Asia Sino Asset Management Limited | Private company limited by shares | Live |
| SINOMANIA IMPORT & EXPORT LIMITED | Private company limited by shares | Live |
| YING SING KNITTING COMPANY LIMITED | Private company limited by shares | Live |
| SINO HOSPITAL GROUP LIMITED | Private company limited by shares | Live |
| SINO JOINT CORPORATION LIMITED | Private company limited by shares | Live |
| Sinosun Capital Limited | Private company limited by shares | Live |
| Sinwoo Co., Limited | Private company limited by shares | Live |
| NEW SINO BRIGHT LIMITED | Private company limited by shares | Live |
| Sinovet (Asia) Limited | Private company limited by shares | Live |
| Sino Technology (China) Limited | Private company limited by shares | Live |
| HK SINCODYNAMIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Kong Sing Consultancy Company Limited | Private company limited by shares | Live |
| SINUX INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| SINO ASIA BIOLOGICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO UNIVERSAL BIOLOGICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HANG SING DA LIMITED | Private company limited by shares | Live |
| SINO POINT LIMITED | Private company limited by shares | Live |
| SINPAC LIMITED | Private company limited by shares | Live |
| SINOWELL MANUFACTURER LIMITED | Private company limited by shares | Live |
| SINO TECHNOLOGY TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| KIN SING MACHINERY LIMITED | Private company limited by shares | Dissolved |
| SINAN ENTERPRISES LIMITED | Private company limited by shares | Live |
| WINNER SINO LIMITED | Private company limited by shares | Live |
| SING LEE SHIPPING LIMITED | Private company limited by shares | Live |
| SINO ASIA CAPITAL RESOURCES LIMITED | Private company limited by shares | Live |
| Sino City Construction Group Co., Limited | Private company limited by shares | Live |
| SINZE HOLDING CO., LIMITED | Private company limited by shares | Live |
| Sino Resources Industry Co., Limited | Private company limited by shares | Live |
| Sino Dream Trading Limited | Private company limited by shares | Dissolved |
| SING PING PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| SINO MEDICAL EQUIPMENT COMPANY LIMITED | Private company limited by shares | Live |
| SINOLED LIMITED | Private company limited by shares | Live |
| Sino Super Way International Co., Limited | Private company limited by shares | Live |
| SINO OIL INDUSTRY LIMITED | Private company limited by shares | Live |
| CHI SING INTERNATIONAL MARINE PRODUCTS TRADING LIMITED | Private company limited by shares | Live |
| Seung Sing Capital Limited | Private company limited by shares | Live |
| SINO SWIFT HONGKONG INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sino Trucks & Machinery Co., Limited | Private company limited by shares | Live |
| SINEX Trading Limited | Private company limited by shares | Live |
| Hon Sing Hong Company Limited | Private company limited by shares | Live |
| Sing Wah Industrial Limited | Private company limited by shares | Live |
| Sindbad Trading Limited | Private company limited by shares | Live |
| SINO STATE GLOBAL LIMITED | Private company limited by shares | Live Commenced dormancy on 07-Mar-2016 |
| Sincerina Limited | Private company limited by shares | Live |
| Sino Port Da You Shipping Company Limited | Private company limited by shares | Live |
| SINO-DG INTERNATIONAL LOGISTICS CO., LIMITED | Private company limited by shares | Live |
| SINO HUIJIN GROUP LIMITED | Private company limited by shares | Live |
| SINOSUN CHEMICALS LIMITED | Private company limited by shares | Live |
| SINO STONE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sineco Limited | Private company limited by shares | Live |
| PIK SING LIMITED | Private company limited by shares | Live |
| SINO WORLD ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| UNIQUE SING LIMITED | Private company limited by shares | Live |
| SINO ARTS & CULTURE INVESTMENT LIMITED | Private company limited by shares | Live |