| SINCERE BEAUTY & FITNESS CO. LIMITED | Private company limited by shares | Dissolved |
| SINO LEGEND TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO FIRST ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO WORLD TRAVEL (GROUP) LIMITED | Private company limited by shares | Dissolved |
| HIU SING LIMITED | Private company limited by shares | Dissolved |
| SINO HONEST ENTERPRISES LIMITED | Private company limited by shares | Live |
| SING KIN LIMITED | Private company limited by shares | Live |
| SING WAI BINDING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO LEADING LIMITED | Private company limited by shares | Dissolved |
| SINO CARDINAL LIMITED | Private company limited by shares | Dissolved |
| TRIUMPH SINO (HONG KONG) LIMITED | Private company limited by shares | Live |
| WING SING PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| YEE SING HONG PETROLEUM CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| SINROLAN INT'L GARMENT (FRANCE) LIMITED | Private company limited by shares | Dissolved |
| SINO TECH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SING WA LIMITED | Private company limited by shares | Dissolved |
| SINO VENUS LIMITED | Private company limited by shares | Dissolved |
| CROWN SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| ACCELERATE SINO GROUP LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Mar-2012 |
| SINOLINK NETWORK LIMITED | Private company limited by shares | Dissolved |
| SINSBURY LIMITED | Private company limited by shares | Dissolved |
| H.K. DUKE SINROLAN (GARMENT) GROUP LIMITED | Private company limited by shares | Dissolved |
| SOUTH SINO (H.K.) LIMITED | Private company limited by shares | Dissolved |
| CENTRAL SINO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KAM SING ELECTRO-PLATING FACTORY LIMITED | Private company limited by shares | Dissolved |
| SING PO AUTO SERVICE LIMITED | Private company limited by shares | Dissolved |
| SING SING ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| SINO BRIGHT GARMENT LIMITED | Private company limited by shares | Dissolved |
| SINOGY LIMITED | Private company limited by shares | Dissolved |
| SINOWIDE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINO INSURANCE INFORMATION SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| RICHEST SINO LIMITED | Private company limited by shares | Dissolved |
| CREATION SINO LIMITED | Private company limited by shares | Live |
| ITALY SINDIPAUL GARMENT (H.K.) GROUP LIMITED | Private company limited by shares | Dissolved |
| SING FAI ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| DYNAMIC SINCERE LIMITED | Private company limited by shares | Dissolved |
| CENTURY SINO LIMITED | Private company limited by shares | Dissolved |
| SINO CHAMP (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO LEGEND ASIA LIMITED | Private company limited by shares | Dissolved |
| NEW SINOPORT LIMITED | Private company limited by shares | Live |
| SINO CREATE UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| Ming Sing Strategy Holding Limited | Private company limited by shares | Live |
| TUNG SING MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCERE PHARMA CORP COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO STATION LIMITED | Private company limited by shares | Dissolved |
| SINOPOINT RESOURCES LIMITED | Private company limited by shares | Dissolved |
| SINO PLUS INVESTMENT LIMITED | Private company limited by shares | Live |
| SING FUNG CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| GREAT SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO GLORY CONSULTANTS LIMITED | Private company limited by shares | Live |
| SINO GLORY TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SINOPORT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CHUNG SING ELECTRICAL ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| SINO-DNA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO BUSINESS ASIA LIMITED | Private company limited by shares | Dissolved |
| SINO PARTNER FUND LIMITED | Private company limited by shares | Dissolved |
| ITALY SINCARO GARMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| PO SING PRODUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| YUN SING MATERIALS LIMITED | Private company limited by shares | Dissolved |
| SINO IONS (HK) LIMITED | Private company limited by shares | Dissolved |
| NAN SING INDUSTRIAL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO ACE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HONG KONG SINO-AUSTRALIA INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| YIK SING TRADING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINGH'S EXCHANGE CO. LIMITED | Private company limited by shares | Live |
| SINO BRIGHT INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO PACIFIC (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO GLORY (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO TALENT ASIA LIMITED | Private company limited by shares | Dissolved |
| SINO WELL INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| YIK SING INTERNATIONAL MANUFACTURER LIMITED | Private company limited by shares | Live |
| SING YIP INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| EVER BRIGHT (SINO-HK) LIMITED | Private company limited by shares | Dissolved |
| SINOTEXT LIMITED | Private company limited by shares | Dissolved |
| LEADER SINO MANAGEMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Jan-2016 |
| SINGANAN CHEMICALS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOSTAR H.K. INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO MAX (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINCERE EXPRESS LIMITED | Private company limited by shares | Dissolved |
| SINO MASTER CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINO LEADER CONSULTANTS LIMITED | Private company limited by shares | Live |
| SINO DEPOT LIMITED | Private company limited by shares | Dissolved |
| KAM SING ENGINEERING (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHEONG SING GARMENT FACTORY LIMITED | Private company limited by shares | Live |
| ALL SINO LIMITED | Private company limited by shares | Dissolved |
| LUNG SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO CONSTRUCTION CO., LIMITED | Private company limited by shares | Dissolved |
| SINCERE STAR INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SING KWONG MOTORS CO. LIMITED | Private company limited by shares | Dissolved |
| SINGFAI INDUSTRIES (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| SINO BUSINESS MEDIA (GROUP) COMPANY LIMITED | Private company limited by shares | Dissolved |
| LUNG SING INVESTMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| WING SING INVESTMENTS LIMITED | Private company limited by shares | Live |
| HING SING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SINO ACE INTERNATIONAL LIMITED | Private company limited by shares | Live Ceased dormancy on 03-Jul-2015 |
| SINO BRIGHT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO RAINBOW INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING YUEN METAL MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| SINO RICHEST LIMITED | Private company limited by shares | Dissolved |
| SINO INVESTMENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |