| SINO TECH MEDIA LIMITED | Private company limited by shares | Live |
| SILICON TEST SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| SINOCEAN SEAFOODS CO., LIMITED | Private company limited by shares | Live |
| HONG KONG SINO-WISH INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| SINOPOWER INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO JOY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO BRIGHT PROPERTIES LIMITED | Private company limited by shares | Live |
| SINO ORIENTAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HOI SING INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOCO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINMAX INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO BRIGHT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Sino Merit Enterprise Limited | Private company limited by shares | Live |
| SINO KING TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO CAPITAL TRADING LIMITED | Private company limited by shares | Live |
| SINO-BENEFIT (H.K) INVESTMENT GROUP HOLDING LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINAVOR INC LIMITED | Private company limited by shares | Live |
| KONG SING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINOPAY (HONG KONG) LIMITED | Private company limited by shares | Live |
| WEI SING CONSTRUCTION (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIMBA ENTERPRISE CO. LIMITED | Private company limited by shares | Dissolved |
| SINO CROWN TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO HARVEST ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINOPLUS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SILVER GALAXY (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SILAS CONSULTANTS LIMITED | Private company limited by shares | Live |
| SILICON VALLEY SYSTECH (HK) LIMITED | Private company limited by shares | Dissolved |
| SINNAM COSMETICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILCONMAX LIMITED | Private company limited by shares | Live |
| SING WA BUSINESS LIMITED | Private company limited by shares | Dissolved |
| Sino Global Investment Limited | Private company limited by shares | Live |
| SINOC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO INTERNATIONAL MARKETING LIMITED | Private company limited by shares | Dissolved |
| SINO-BRIDGE STRATEGY CONSULTING LIMITED | Private company limited by shares | Live |
| SI-MI LIMITED | Private company limited by shares | Dissolved |
| YAT SING MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG SINOBAND GROUP CO., LIMITED | Private company limited by shares | Live |
| SIMPOWER TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| YAN SING TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINOSENCE INTERNATIONAL LIGHTING LIMITED | Private company limited by shares | Live |
| SINWA (FUJIAN) MARINE SERVICE CO. LIMITED | Private company limited by shares | Dissolved |
| SINO VENTURE ENTERPRISES LIMITED | Private company limited by shares | Live |
| HOI SING MANAGEMENT CO. LIMITED | Private company limited by shares | Dissolved |
| SILVER TRINITY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO STEP CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SIMTECH LIMITED | Private company limited by shares | Dissolved |
| FANCY SIGHT LIMITED | Private company limited by shares | Live |
| SINO LINK CREATION LIMITED | Private company limited by shares | Dissolved |
| SILVER CROSS (PACIFIC) LIMITED | Private company limited by shares | Live |
| SIEMENS ELECTRIC APPARATUS (HONGKONG) CO., LIMITED | Private company limited by shares | Dissolved |
| SINO SALES AND SUPPORT LIMITED | Private company limited by shares | Live |
| SINCERELY ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO PILOT LIMITED | Private company limited by shares | Live |
| SILVER LINKAGE LIMITED | Private company limited by shares | Live |
| SIMILER TIME HK INT'L MEDIA LIMITED | Private company limited by shares | Live |
| SINICA INTERNATIONAL CORP., LIMITED | Private company limited by shares | Live |
| SILVERADO LIMITED | Private company limited by shares | Dissolved |
| MOROCOO SIFUTE INT'L CHEMICAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SINOMAC TRADING LIMITED | Private company limited by shares | Live |
| SINO AMPLE LIMITED | Private company limited by shares | Live |
| SINO MATRIX LIMITED | Private company limited by shares | Live |
| SINO TREASURE LIMITED | Private company limited by shares | Live |
| Sino Finance International Limited | Private company limited by shares | Live |
| SINO RICH LOGISTIC LIMITED | Private company limited by shares | Dissolved |
| SINO DIGITAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SING YUEN TRAVEL COMPANY LIMITED | Private company limited by shares | Live |
| SINO MARITIME (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SINO SKY ASIA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO BASE SHIPPING LIMITED | Private company limited by shares | Live |
| SING FUNG WAH (H.K) LIMITED | Private company limited by shares | Live |
| SINO CHANNEL ASIA LIMITED | Private company limited by shares | Live |
| SINO SOURCE INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SINO RESOURCES ASSET MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| Silky Dee's Limited | Private company limited by shares | Live |
| ALLIED SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINDEBAD INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINCERE GROUP LIMITED | Private company limited by shares | Live |
| SINO PACIFIC RESOURCES LIMITED | Private company limited by shares | Dissolved |
| SIAM SUCCESS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NEWEST SINO LIMITED | Private company limited by shares | Live |
| BEAUTY SIGHT LIMITED | Private company limited by shares | Dissolved |
| HOP SING PROPERTY MANAGEMENT COMPANY LIMITED | Private company limited by shares | Live |
| NEW SINCERE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINONET (HK) LIMITED | Private company limited by shares | Live |
| HARVEST SING TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO BASE INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Wah Sing Bus Company Limited | Private company limited by shares | Live Commenced dormancy on 25-Jun-2014 |
| SING LONG IP TECHNO CO., LIMITED | Private company limited by shares | Live |
| MARVEL SIGHT LIMITED | Private company limited by shares | Dissolved |
| BIG SINO (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SINOTEK DEVELOPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| CHINA CRYSTAL SILICON (HONG KONG) CO. LIMITED | Private company limited by shares | Dissolved |
| GOOD EASTERN GOLD SING GROUP LIMITED | Private company limited by shares | Live |
| SIGNIN TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| TUNG SING PLASTIC BAGS FACTORY LIMITED | Private company limited by shares | Live |
| SINO HAPPY LIMITED | Private company limited by shares | Live |
| WING SING CONSTRUCTION CO., LIMITED | Private company limited by shares | Live |
| SINO LORD LIMITED | Private company limited by shares | Live |
| SINOSTAR PETROCHEMICAL CO., LIMITED | Private company limited by shares | Live |