| SINO NET MEDIA (HONG KONG) HOLDING LIMITED | Private company limited by shares | Live |
| SINO HONEST (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO HONOUR (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO HONOUR (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO CAPITAL HONG KONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO INTERNATIONAL (HONG KONG) INVESTMENT LIMITED | Private company limited by shares | Live |
| Sino Trade (Hong Kong) Investment Limited | Private company limited by shares | Live |
| SINO SPRING (HONG KONG) INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO LEADER INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO LIGHT HONG KONG LIMITED | Private company limited by shares | Live |
| SINO MARK (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO WAH MING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO OCEAN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| OCEAN SINO (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO OCEAN (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO ORIENT AREA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ORIENT SINO ENTERTAINMENT HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| SINO PHARMACEUTICALS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO PROWIN (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO RICH INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO SENSE (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO UNIVERSE SHIPPING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO WAGON SHIPPING (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO SOURCE (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO SOURCES HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO STAR GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sino Success Capital (Hong Kong) Company Limited | Private company limited by shares | Live |
| Sino Suisse Capital (Hong Kong) Limited | | Live |
| SINO TARGET INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO LIFECARE TECHNOLOGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO - AFRICAN TRADING COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Sino Healthcare (Hong Kong) Trading Limited | Private company limited by shares | Live |
| Sino Progress (Hong Kong) Trading Limited | Private company limited by shares | Live |
| SINO UNIVERSE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| UPBRIGHT SINO HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO VANTAGE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO VANTAGE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO VANTAGE HONG KONG LIMITED | Private company limited by shares | Live |
| SINO VICTOR (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO VIEW (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO WEALTHY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sino Wines (Hong Kong) Limited | Private company limited by shares | Dissolved |
| SINO WORLD (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO LEADER (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO LEGEND (HONG KONG) LIMITED | Private company limited by shares | Live |
| LEGIT SINO (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO LINK (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| LINK SINO (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO LINKAGE (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO LINKER (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG SINO LOGIC RESOURCES LIMITED | Private company limited by shares | Live |
| HONG KONG SINO LUCK SHIPPING LIMITED | Private company limited by shares | Live |
| HONG KONG SINO MARINE TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SINO HONG KONG MARITIME LIMITED | Private company limited by shares | Dissolved |
| SINO MASTER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO MASTER (HONG KONG) LIMITED | Private company limited by shares | Live |
| Medi-Success Sino Hong Kong Limited | Private company limited by shares | Live |
| MEGA SINO (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO BEST METAL HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO METRO (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO MILLION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Sino NetCom (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG SINO OCEAN CORPORATION LIMITED | Private company limited by shares | Live |
| HONG KONG SINO PENGOMIS CO., LIMITED | Private company limited by shares | Live |
| SINO PHARMA (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SINO PLAN HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO POINTER (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO POLY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINO PROMINENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Sino Fame Property Limited | | Live |
| SINO PROSPEROUS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO RANK (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG SINO REALITY TRADING LIMITED | Private company limited by shares | Live |
| SINO HONG KONG REALTY LIMITED | Private company limited by shares | Dissolved |
| SINO REGENT HONG KONG LIMITED | Private company limited by shares | Live |
| Sino Regent Tech Hong Kong Limited | Private company limited by shares | Dissolved |
| Sino Renewables (Hong Kong) Limited | | Live |
| SINO RESOURCES (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG SINO RICH LIMITED | Private company limited by shares | Live |
| HONG KONG RICH SINO LIMITED | Private company limited by shares | Live |
| SINO RISE GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO RISE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO RISING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO RIVER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO ROYAL HONG KONG LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Mar-2016 |
| SHEEN SINO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO SHEEN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO GOLD AND SILVER HONG KONG LIMITED | Private company limited by shares | Live |
| SINO SILVER HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SILVER SINO (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO - SINGAPORA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO SMART (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SMART SINO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO SMART (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO SOLAR (HONG KONG) LIMITED | Private company limited by shares | Live Commenced dormancy on 16-Feb-2016 |
| SINO FRENCH SOLUTIONS (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO SOUTH (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO SOUTH (HONG KONG) LIMITED | | Live |