| HANG SING (INTERNATIONAL) ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOSTAR SHIPPING LIMITED | Private company limited by shares | Live |
| SINO HONG KONG REALTY LIMITED | Private company limited by shares | Dissolved |
| SINOLINK TRADE LIMITED | Private company limited by shares | Dissolved |
| SZE CHI SING EDUCATIONAL ORGANISATION LIMITED | Company limited by guarantee | Live |
| SINO EAGLE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TAH SING (INT'L) CO., LIMITED | Private company limited by shares | Dissolved |
| SINO HEADFIELD LIMITED | Private company limited by shares | Dissolved |
| SINO JENDER LIMITED | Private company limited by shares | Dissolved |
| SINO SOUNDER LIMITED | Private company limited by shares | Dissolved |
| SINO STRONGER LIMITED | Private company limited by shares | Dissolved |
| KONG SING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-FIELD (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO ERA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO STANDARD LIMITED | Private company limited by shares | Dissolved |
| SINO CARNIVAL LIMITED | Private company limited by shares | Live |
| SINO-SHADOW LIMITED | Private company limited by shares | Dissolved |
| BRIGHT SINO LIMITED | Private company limited by shares | Dissolved |
| SINO SPIRIT LIMITED | Private company limited by shares | Dissolved |
| SING FAT INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SINO AUTOMOTIVE PARTS LIMITED | Private company limited by shares | Dissolved |
| GLORY SINCERE LIMITED | Private company limited by shares | Dissolved |
| SUN HANG SING TRADING LIMITED | Private company limited by shares | Dissolved |
| TALENT SINO LIMITED | Private company limited by shares | Live |
| SINO SPRING LIMITED | Private company limited by shares | Dissolved |
| SINO LOYAL LIMITED | Private company limited by shares | Dissolved |
| SINO POINT LIMITED | Private company limited by shares | Dissolved |
| SINTEC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOBREW LIMITED | Private company limited by shares | Dissolved |
| SINTEC LIMITED | Private company limited by shares | Live |
| SINO MASTER TRADING LIMITED | Private company limited by shares | Dissolved |
| SAM SING BUS CO., LIMITED | Private company limited by shares | Dissolved |
| SINO RELIANCE ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINOWAI RESOURCES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO COMMERCIAL LIMITED | Private company limited by shares | Dissolved |
| SINO CONSORTIUM LIMITED | Private company limited by shares | Live Ceased dormancy on 24-Feb-2015 |
| SINOMIND INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO HARBOUR TERMINALS LIMITED | Private company limited by shares | Dissolved |
| SINOTRUSTY ECONOMIC TRADING AND DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-JAPAN HANWA COMPANY LIMITED | Private company limited by shares | Live |
| SINOTEX INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINOLINK CREATION LIMITED | Private company limited by shares | Dissolved |
| SINCERE WIND TRADING LIMITED | Private company limited by shares | Dissolved |
| SINGFAR ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO CIRCLE LIMITED | Private company limited by shares | Live |
| SINO SINCERE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOGEM TRADE LIMITED | Private company limited by shares | Dissolved |
| SING KWONG PLASTIC MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| SINO-STAR TRADING LIMITED | Private company limited by shares | Dissolved |
| SINPAC LIMITED | Private company limited by shares | Dissolved |
| SINO CHINA LIMITED | Private company limited by shares | Dissolved |
| SING WONG CO., LIMITED | Private company limited by shares | Live |
| SINO FAME MEDICAL LIMITED | Private company limited by shares | Live |
| HANG SING MACHINERY WORKS LIMITED | Private company limited by shares | Dissolved |
| SINO BUSINESS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NEW SINO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO BEST ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINONEX LIMITED | Private company limited by shares | Dissolved |
| SINO CENTURY (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SINOSOFT INTERNATIONAL (HOLDING) LIMITED | Private company limited by shares | Live |
| SINO PACIFIC OIL LIMITED | Private company limited by shares | Live |
| SINOLINK FINE WINES LIMITED | Private company limited by shares | Dissolved |
| CHINA SINO CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINOSUN PROPERTIES LIMITED | Private company limited by shares | Live |
| SINOSUN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO ASIA PROPERTIES LIMITED | Private company limited by shares | Live |
| HANG SING CATERER MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| SINO MONT LIMITED | Private company limited by shares | Dissolved |
| SOUTH SINO LIMITED | Private company limited by shares | Dissolved |
| SINO NEW LIMITED | Private company limited by shares | Dissolved |
| SINO SPIRIT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOCOM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO PACIFIC INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SUN SING TRADING (H.K.) LIMITED | Private company limited by shares | Live |
| SINO GLORY MANAGEMENT LIMITED | Private company limited by shares | Live |
| SING CHEONG ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINO PEAK FINANCE LIMITED | Private company limited by shares | Live |
| SINO SPIRIT INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO LEGEND ENTERPRISES LIMITED | Private company limited by shares | Live |
| SING'S REFRIGERATION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINAGY LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Feb-2016 |
| SINO CHINA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO-BEST ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO CENTURY GARMENTS LIMITED | Private company limited by shares | Dissolved |
| MAX SINO LIMITED | Private company limited by shares | Live |
| Orient Sino Furniture Industrial Corp. Limited | Private company limited by shares | Live |
| SINO FAITH TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO-HK CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| SINBO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO STEP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO COMMERCE LIMITED | Private company limited by shares | Dissolved |
| SINO EASY LIMITED | Private company limited by shares | Dissolved |
| SINO INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINSPEC HK LIMITED | Private company limited by shares | Live |
| ORIENT SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO BUS MEDIA LIMITED | Private company limited by shares | Dissolved |
| SINO AMERICAN TOBACCO LIMITED | Private company limited by shares | Dissolved |
| SINO FAIR INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINGCA LIMITED | Private company limited by shares | Dissolved |