| SINO SCIENCE&TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HCF SILICONE CO., LIMITED | Private company limited by shares | Live |
| Asia Silk Road Limited | Private company limited by shares | Live |
| HONG KONG SILVERICH INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO-BENNY LPG (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| SINO NATURAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| TSUN SING SECRETARY LIMITED | Private company limited by shares | Live |
| SINO INDO TRADE LIMITED | Private company limited by shares | Live |
| Sintec (HK) Investment Development Limited | Private company limited by shares | Dissolved |
| SignaturePrint International Limited | Private company limited by shares | Live |
| SING ON HONG KONG TRADING LIMITED | Private company limited by shares | Live |
| SINO UNICOM CO., LIMITED | Private company limited by shares | Live |
| SIXTH ATTITUDE CULTURE EXCHANGE LIMITED | Private company limited by shares | Dissolved |
| Sino Hydroponics (China) Co., Limited | Private company limited by shares | Live |
| Sinco Century Electronics Co., Limited | Private company limited by shares | Live |
| LONG SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOSUNG INTERNATIONAL GROUP HONG KONG LIMITED | Private company limited by shares | Live |
| SIKE (HK) INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINO PIONEER INDUSTRY GROUP COMPANY LIMITED | Private company limited by shares | Live |
| Sino Pillar (HongKong) Industry Co., Limited | Private company limited by shares | Live |
| SINO LUCKY TRADING LIMITED | Private company limited by shares | Live |
| SINO MILLION TRADING LIMITED | Private company limited by shares | Live |
| SIMS ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| SINO NICE INVESTMENT LIMITED | Private company limited by shares | Live |
| SILVER BERRY LIMITED | Private company limited by shares | Live |
| SINOBRAS CONSULTING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SKY SINO CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Companies Made Simple Limited | Private company limited by shares | Live |
| SIAM-TEC LIMITED | Private company limited by shares | Live |
| LAI XIN SILICONE RUBBER MOULD PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| SINO HARVEST INTERNATIONAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SIGOMO CO., LIMITED | Private company limited by shares | Live |
| KIN SING MATERIAL LIMITED | Private company limited by shares | Live |
| CHINA SICHUAN LUZHOU MINGJIU SHARES LIMITED | Private company limited by shares | Live |
| CENTURY SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| Sintron-Polymec (Hong Kong) Limited | Private company limited by shares | Live |
| Signal IT Limited | Private company limited by shares | Live |
| SINO CENTURY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO HUGE LIMITED | Private company limited by shares | Live |
| SIMPLEXITY LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Jul-2014 |
| SIMAR LIMITED | Private company limited by shares | Live |
| SILVERWAY ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SILVER NICE LIMITED | Private company limited by shares | Live |
| SINOBIOWAY (HOLDINGS) LIMITED | Private company limited by shares | Live |
| SINOTRANSCEND INDUSTRY LIMITED | Private company limited by shares | Live |
| SINO HARVEST PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| GRAND SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SICHUAN HONGYANG INDUSTRY GROUP CO., LIMITED | Private company limited by shares | Live |
| International Sinotec Trading Limited | Private company limited by shares | Live |
| SILKY CHARM LIMITED | Private company limited by shares | Dissolved |
| SINOBASE ENTERPRISES LIMITED | Private company limited by shares | Live |
| SICHUAN PROPERTY LIMITED | Private company limited by shares | Dissolved |
| SINOTRONG INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Silicon International Resources Limited | Private company limited by shares | Live |
| SICHUAN REALTY LIMITED | Private company limited by shares | Dissolved |
| HK SIEMOOTH INDUSTRY EQUIPMENT LIMITED | Private company limited by shares | Live |
| HK SINLIDA TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| SILY TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| LIUYANG SINO FIREWORKS CO., LIMITED | Private company limited by shares | Dissolved |
| SINO RICHGAIN LIMITED | Private company limited by shares | Live |
| SIMEC GROUP LIMITED | Private company limited by shares | Live |
| SINO DRAGON (ASIA) LIMITED | Private company limited by shares | Live |
| SING FUNG GREEN TECHNOLOGIES GROUPS LIMITED | Private company limited by shares | Live |
| SINO EMPIRE (HONG KONG) LIMITED | Private company limited by shares | Live |
| SITARI LIMITED | Private company limited by shares | Live |
| Sinodus International Holding Co., Limited | Private company limited by shares | Live |
| SIGN PRO LIMITED | Private company limited by shares | Live |
| Sino Peace Strategy Limited | Private company limited by shares | Live |
| SIMA ANIMATION LIMITED | Private company limited by shares | Live |
| WING SING INTERNATIONAL HK LIMITED | Private company limited by shares | Dissolved |
| SINO CHINA ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| SINDER INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| SINO DRAGON GROUP LIMITED | Private company limited by shares | Live |
| HANG SING CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG DAH SING ENTERTAINMENT CORP LIMITED | Private company limited by shares | Live |
| Outstanding Sino Technology Limited | Private company limited by shares | Live |
| SIXUAN INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINO RESOURCE INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| Sino International Consultancy Limited | Private company limited by shares | Live |
| TIN SING WAH NGAI COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILICE HK LIMITED | Private company limited by shares | Dissolved |
| SINOWAY CAPITAL LIMITED | Private company limited by shares | Live |
| SINGCITY GROUP (HK) LIMITED | Private company limited by shares | Live |
| SINOVOLS LIMITED | Private company limited by shares | Live |
| SINOBRIGHT IMPORT&EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| SINO CEPA LIMITED | Private company limited by shares | Dissolved |
| SINOBEST BROTHERS LIMITED | Private company limited by shares | Live |
| Sino Quality Consult Limited | Private company limited by shares | Dissolved |
| NINGBO SINOPOWER LIMITED | Private company limited by shares | Live |
| SINGAL LOGISTICS LIMITED | Private company limited by shares | Live |
| YUEN SING TRADING CO., LIMITED | Private company limited by shares | Live |
| CAPITAL SILK MANUFACTURING LIMITED | Private company limited by shares | Live |
| ART SING DESIGN (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SOUTH SINO MINERAL RESOURCES LIMITED | Private company limited by shares | Live |
| CHRISTY & CO. SINCE 1983 LIMITED | Private company limited by shares | Dissolved |
| SIFIER TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Sixty Asia Holdings Limited | Private company limited by shares | Live |
| USA SIMNOAPY CHILDREN LIMITED | Private company limited by shares | Live |
| SINO SHING GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sixty Asia Investments Limited | Private company limited by shares | Live |