| SINO SKY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| VINCENT SINO (HK) INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| SINAFRICA FALCO LIMITED | Private company limited by shares | Live |
| SINOSOUTH SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO DRAGON GROUP (CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| KAM SING CLOTHING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CENTURY SIGHT LIMITED | Private company limited by shares | Live |
| SITH CO. LIMITED | Private company limited by shares | Live |
| SIMPLE TECHNIC INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| SIKO SHIPPING LIMITED | Private company limited by shares | Dissolved |
| 2 SISTERS LIMITED | Private company limited by shares | Dissolved |
| SISTA GROUP LIMITED | Private company limited by shares | Live |
| SIAM FOODTRADE LIMITED | Private company limited by shares | Live |
| SINO FIELD DEVELOP LIMITED | Private company limited by shares | Dissolved |
| SINO INDO METALLURGICAL ENGINEERING & CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| SINO LINK FAR EAST LIMITED | Private company limited by shares | Live |
| SINO TOP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SIMPLE GROUP HOLDING CO., LIMITED | Private company limited by shares | Live |
| SILVERTOP CORPORATION LIMITED | Private company limited by shares | Live |
| Sino Art in Hong Kong Limited | Private company limited by shares | Live |
| SINO ASIA OIL EQUIPMENT LIMITED | Private company limited by shares | Live |
| RICH SINO LIMITED | Private company limited by shares | Live |
| VICTORY SINO LIMITED | Private company limited by shares | Live |
| SINO EASE LIMITED | Private company limited by shares | Live |
| SINO TRADE GROUP LIMITED | Private company limited by shares | Live |
| YAT SING REFRIGERATION SYSTEMS ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINO BUSINESS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOZ (ASIA-PACIFIC) CO. LIMITED | Private company limited by shares | Live |
| SINJI COMPANY LIMITED | Private company limited by shares | Live |
| SINO KING CORPORATION LIMITED | Private company limited by shares | Live |
| SINOPROF CONSULTANTS LIMITED | Private company limited by shares | Live |
| SINAVIZION LIMITED | Private company limited by shares | Dissolved |
| ASIA SINO (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINOWIDE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINCO INVESTMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Sep-2016 |
| SINCO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| INNOVATIVE SIGN MATERIALS LIMITED | Private company limited by shares | Dissolved |
| Sierra Holdings Foundation Limited | Private company limited by shares | Dissolved |
| SIMPLE COLLECTIONS COMPANY LIMITED | Private company limited by shares | Live |
| SigmaNet Limited | Private company limited by shares | Dissolved |
| SINO RAILROAD INVESTMENT HOLDING GROUP LIMITED | Private company limited by shares | Live |
| SINO INVESTMENT INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| China Railway Sino-Congo Mining Limited | Private company limited by shares | Live |
| LOK SING WORKING PLATFORM LIMITED | Private company limited by shares | Live |
| HONG KONG SINOPOWER SOUTH LIMITED | Private company limited by shares | Dissolved |
| VOGUE SILVER JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| SIMPLE THINGOODS HK CO., LIMITED | Private company limited by shares | Dissolved |
| SINO SAILING INTERNATIONAL SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| Sino E Link Co., Limited | Private company limited by shares | Live |
| SINO PACIFIC CONSULTANTS (H.K.) LIMITED | Private company limited by shares | Live |
| SINO FLY TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SIMPLE LOGISTICS LIMITED | Private company limited by shares | Live |
| SILK WELL LIMITED | Private company limited by shares | Dissolved |
| SINOTELLIGENCE LIMITED | Private company limited by shares | Live |
| SINOPTIC LIMITED | Private company limited by shares | Dissolved |
| SILKROAD PHARMA (HK) LIMITED | Private company limited by shares | Dissolved |
| SILVER BS LIMITED | Private company limited by shares | Dissolved |
| SINO-OCEAN SHIPPING INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SIGUREDO LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINO OCEAN CORPORATION LIMITED | Private company limited by shares | Live |
| SING GANG SHIPPING LIMITED | Private company limited by shares | Live |
| SINO FORTUNE INTERNATIONAL (GROUP) HOLDING LIMITED | Private company limited by shares | Live |
| SIYOTO ELECTRONICS CO. LIMITED | Private company limited by shares | Live |
| SINOARS STUD WELDING LIMITED | Private company limited by shares | Live |
| SINEUTRON LIMITED | Private company limited by shares | Dissolved |
| SINTEX CREATION LIMITED | Private company limited by shares | Live |
| SINOTONE LIMITED | Private company limited by shares | Dissolved |
| SINO WAVE LIMITED | Private company limited by shares | Live |
| SINOCOM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SIMPLY SUCCESS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN SINOEXPERT LIMITED | Private company limited by shares | Live |
| SING FAI CONSTRUCTION LIMITED | Private company limited by shares | Live |
| SINO FINE TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO THEME LIMITED | Private company limited by shares | Dissolved |
| SINO KING CREATION LIMITED | Private company limited by shares | Dissolved |
| SINO EQUITY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO STAND INVESTMENTS LIMITED | Private company limited by shares | Live |
| KIND SINO LIMITED | Private company limited by shares | Dissolved |
| SINO HARVEST INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO HARVEST TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SINO HARVEST INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| SILVERBACK AIRSOFT LIMITED | Private company limited by shares | Live |
| SINICA SOLUTION INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| SINO BRIGHT ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| TAK SING GARMENT LIMITED | Private company limited by shares | Dissolved |
| SINO FORTUNE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SIMAG HOLDINGS LIMITED | Private company limited by shares | Live |
| SINO BELL ENERGY LIMITED | Private company limited by shares | Dissolved |
| SIONG ONN (S.M.I.) COMPANY LIMITED | Private company limited by shares | Live |
| JAPAN SITONGSONGXIA ELECTRICAL INVESTMENT LIMITED | Private company limited by shares | Live |
| SILEX LIMITED | Private company limited by shares | Dissolved |
| SINO INDUSTRY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILMAR FORWARDING LIMITED | Private company limited by shares | Live |
| SINO LEGEND INDIA HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO-POWER INDUSTRY (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| EVER SINO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Good and Simple Trading Solution Limited | Private company limited by shares | Live |
| SINO FAME INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHINA SINO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SING TECH (HK) CO., LIMITED | Private company limited by shares | Dissolved |