| SING YAT ENGINEERING LIMITED | Private company limited by shares | Live |
| Sino Toiletries Limited | Private company limited by shares | Live |
| SINO XINHAI CULTURAL FOUNDATION LIMITED | Private company limited by shares | Live |
| SINO CAPITAL HOLDING GROUP LIMITED | Private company limited by shares | Live |
| SINOFOR CO., LIMITED | Private company limited by shares | Live |
| TAK SING INTERNATIONAL TRADING COMPANY (HK) LIMITED | Private company limited by shares | Live |
| SINOLAM CO., LIMITED | Private company limited by shares | Live |
| SINOLINK (HK) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINOBENZ INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SINO (HK) BUSINESS SERVICE CO., LIMITED | Private company limited by shares | Live |
| YORK SINO DEVELOP LIMITED | Private company limited by shares | Dissolved |
| VICTORY SINO DEVELOP LIMITED | Private company limited by shares | Dissolved |
| Sinovision Digital Co., Limited | Private company limited by shares | Live |
| MARK SINO DEVELOP LIMITED | Private company limited by shares | Live |
| SINO VICTORIA LIMITED | Private company limited by shares | Live |
| SINO HARBOUR TRADING LIMITED | Private company limited by shares | Live |
| SINOMACH INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| SINO EAST MARINE CO., LIMITED | Private company limited by shares | Dissolved |
| SMART SINO ENGINEERING LIMITED | Private company limited by shares | Live |
| Sino Wisdom Investment Management Limited | Private company limited by shares | Dissolved |
| SINO BRIGHT INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| MULTI SINO INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| SINOSUNLIGHT LIMITED | Private company limited by shares | Live |
| TSEN SING LIMITED | Private company limited by shares | Dissolved |
| SINO CROWN TRADING LIMITED | Private company limited by shares | Live |
| FUNG SING (4S) LIMITED | Private company limited by shares | Live |
| SINO GOOD INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| Cheuk Sing (Hong Kong) Company Limited | Private company limited by shares | Live |
| Ningbo Crown Sino Enterprise Limited | Private company limited by shares | Live |
| SINO KING GLOBAL LIMITED | Private company limited by shares | Live |
| SINO MARK INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOGRAND PHARMA LIMITED | Private company limited by shares | Live |
| Sino Powergen Co., Limited | Private company limited by shares | Live |
| SINOSYSTEMS LIMITED | Private company limited by shares | Live |
| SINOCRANE PARTS INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| SUCCESS SINO LIMITED | Private company limited by shares | Live |
| SINO HARBOUR INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO TRADING INVESTMENT LIMITED | Private company limited by shares | Live |
| HUIZHOU JOINT SINMCVLL ELECTRONIC TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| GLORY SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOCITI INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CROWN SINO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| LEI SING PROPERTY COMPANY LIMITED | Private company limited by shares | Live |
| SINOLINK FINANCE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Long Sing Sing Limited | Private company limited by shares | Dissolved |
| SINO REFRIGERATION EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| SINCINO INTERNATIONAL TRADE (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO INDUSTRIAL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO CHASER MANAGEMENT LIMITED | Private company limited by shares | Live |
| Sing Fung Electrical Engineering Company Limited | Private company limited by shares | Dissolved |
| SINO GRAND TRADING LIMITED | Private company limited by shares | Live |
| SINICVISION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINO CHARIOT LIMITED | Private company limited by shares | Live |
| SINO TACT CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Sing Fai Property Limited | Private company limited by shares | Live |
| SING YIP TRADING LIMITED | Private company limited by shares | Live |
| SINO POWERS GROUP LIMITED | Private company limited by shares | Live |
| SINO TOP (ASIA) LIMITED | Private company limited by shares | Live |
| Sinsing Industrial Corporation Limited | Private company limited by shares | Live |
| Sing Fai Container Limited | Private company limited by shares | Live |
| Sinolending Limited | Private company limited by shares | Live |
| TOP SINO INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| GOOD SINO INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Live |
| SINO WINTOP LIMITED | Private company limited by shares | Live |
| SINOSTAR LIGHTING CO., LIMITED | Private company limited by shares | Live |
| SINO AMERICA INVESTMENT LIMITED | Private company limited by shares | Live |
| YUN SING DESIGN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| VINCI SINOLATIN PARTNERS LIMITED | Private company limited by shares | Dissolved |
| SINO-WEST ELECTRIC APPLIANCE CO., LIMITED | Private company limited by shares | Dissolved |
| SINKO TRADING CO., LIMITED | Private company limited by shares | Live |
| Sino Kevin Industry Co., Limited | Private company limited by shares | Live |
| SINO FURNITURE GROUP LIMITED | Private company limited by shares | Live |
| SINO VOYAGE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO FORTUNE (HK) INT'L TRADING LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Jun-2013 |
| SINOWIDE (H.K.) LIMITED | Private company limited by shares | Live |
| SINO CITY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO TRIUMPH INTERNATIONAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| Sino Supply Solutions Co., Limited | Private company limited by shares | Live |
| Sino-Arab International Fund Management Limited | Private company limited by shares | Live |
| WANG SING DEVELOP LIMITED | Private company limited by shares | Live |
| SUPER SINO LIMITED | Private company limited by shares | Live |
| UNO DRAGON SINO FUND LIMITED | Private company limited by shares | Live |
| SINOWEED INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| SINOPLUS CAPITAL (CHINA) LIMITED | Private company limited by shares | Live |
| GUANGZHOU SINOMAKETEXTILE & TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOWINE LIMITED | Private company limited by shares | Live |
| HANG SING TAT (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| TAK SING ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO COMMERCIAL VEHICLE CO., LIMITED | Private company limited by shares | Dissolved |
| SINOPARTS SCIENCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO MANAGEMENT HOLDING (HK) LIMITED | Private company limited by shares | Live |
| HO SING REFRIGERATOR ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO EAST (H.K.) LIMITED | Private company limited by shares | Live |
| Sino Star Media Co., Limited | Private company limited by shares | Live |
| Sino Procurement Group Limited | Private company limited by shares | Live |
| SINO TALENT CONSULTING LIMITED | Private company limited by shares | Live |
| Sinus Korea Wedding Limited | Private company limited by shares | Live |
| SINO VICTORY PROPERTIES LIMITED | Private company limited by shares | Live |
| FORTUNE SINO PROPERTIES LIMITED | Private company limited by shares | Live |
| PACIFIC SINO (H.K.) LIMITED | Private company limited by shares | Live |