| SINOSTORE GROUP LIMITED | Private company limited by shares | Live |
| SINO PRECISION LIMITED | Private company limited by shares | Live |
| Sino Creation Group Limited | Private company limited by shares | Live |
| Sirius Gear Company Limited | Private company limited by shares | Live |
| SINO SHIPPING (HK) CO., LIMITED | Private company limited by shares | Live |
| WING SING (HK TRADE) COMPANY LIMITED | Private company limited by shares | Live |
| SILVERWOW LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Oct-2015 |
| ALL SINO LIMITED | Private company limited by shares | Live |
| SIQIDWELL LIMITED | Private company limited by shares | Live |
| Sino-Apparel Co., Limited | Private company limited by shares | Live |
| WANG SING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Sichuan Galaxy Technology Limited | Private company limited by shares | Live |
| SION-ROME RED DRAGON CHINA TOWN CO., LIMITED | Private company limited by shares | Live |
| Silom International Limited | Private company limited by shares | Live |
| SIMPEL CO., LIMITED | Private company limited by shares | Live |
| SINOLIN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Kami Sing Co., Limited | Private company limited by shares | Live |
| SINUODA TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| SINO AFRICAN ASSOCIATION LIMITED | Private company limited by shares | Live |
| SITA INTERNATIONAL PROJECTS CONSULTANT (HK) PTY. LIMITED | Private company limited by shares | Live |
| KEY SIGHT LIMITED | Private company limited by shares | Live |
| SINO HOPE TRADING LIMITED | Private company limited by shares | Live |
| SINO ASIA PROPERTIES INVESTMENT LIMITED | Private company limited by shares | Live |
| KEZHAN ORGANIC SILICON (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| Simplyfood Limited | Private company limited by shares | Live |
| SIERRA MADRE INVESTMENTS LIMITED | Private company limited by shares | Live |
| Sino-African Trade And Investment Holding Group Limited | Private company limited by shares | Live |
| PAK SING (HK) LIMITED | Private company limited by shares | Live |
| SIGMA TELECOMMUNICATIONS LIMITED | Private company limited by shares | Live |
| SINOWATCHER TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| S.I.R. Production Limited | Private company limited by shares | Live |
| HK SINO PROSPER FAITH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SIGMAL ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SILVER GOO COMPANY LIMITED | Private company limited by shares | Live |
| SINO MILLION INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| GOLD & SILVER HK HEADQUARTERS LIMITED -THE- | Private company limited by shares | Dissolved |
| Kwan Sing Enterprises Limited | Private company limited by shares | Live |
| China Simplified Limited | Private company limited by shares | Live |
| Merit Industry Sino Limited | Private company limited by shares | Live |
| SINO METALLURGIC GROUP H.K. LIMITED | Private company limited by shares | Live |
| Jiangshan Silverbridge Limited | Private company limited by shares | Live |
| SINOGATE INVESTMENT LIMITED | Private company limited by shares | Live |
| SUPREME SINO LIMITED | Private company limited by shares | Live |
| SINOWIN (ASIA) LIMITED | Private company limited by shares | Live |
| SINO EAGLE LIMITED | Private company limited by shares | Dissolved |
| SINO AMERICA INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| HK SIWEIDA MACHINERY LIMITED | Private company limited by shares | Dissolved |
| SILWAIN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINODE COMPANY LIMITED | Private company limited by shares | Live |
| WING SING ELECTRONICS HONGKONG LIMITED | Private company limited by shares | Live |
| SINO SUGAR (HK) INDUSTRIAL GROUP COMPANY LIMITED | Private company limited by shares | Live |
| SIMPLE SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| PK Sino-Invest & Trading Co. Limited | Private company limited by shares | Live |
| SINOKAI INDUSTRY (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SILVER LUCK LIMITED | Private company limited by shares | Live |
| SINO INTELLIGENCE TRADING LIMITED | Private company limited by shares | Live |
| SIERRA ENTERPRISE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| OLA SINO-HK LOGISTICS LIMITED | Private company limited by shares | Live |
| NEW SINCERELY INTERNATIONAL CREATION CO., LIMITED | Private company limited by shares | Live |
| SIKE (HK) INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SHENZHEN SINKO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SibFin Limited | Private company limited by shares | Live |
| SILICONWORTH TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| HING SING ALUMINUM MOLD LIMITED | Private company limited by shares | Live |
| SIDENLI LIMITED | Private company limited by shares | Live |
| FUK PANG SING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| New Silk Power (Asia) Co., Limited | Private company limited by shares | Live |
| Sinke Company Limited | Private company limited by shares | Dissolved |
| Sino Mining Resources International Limited | Private company limited by shares | Live |
| SINO LIGHT (ASIA) LIMITED | Private company limited by shares | Live |
| SIHEXING INDUETRIAL LIMITED | Private company limited by shares | Dissolved |
| ALL SIGHTS LIMITED | Private company limited by shares | Live |
| SINO BRIDGE LIMITED | Private company limited by shares | Live |
| LUCK SILVER LIMITED | Private company limited by shares | Live |
| SINDO GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINOLION PACKAGE TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| SIXEIGHT LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SING MEI TUNG TRADING LIMITED | Private company limited by shares | Live |
| SIMIAN LIMITED | Private company limited by shares | Live |
| SIMERX HK LIMITED | Private company limited by shares | Live |
| SINO CITY ASIA LIMITED | Private company limited by shares | Live |
| SINO BRIDGE INC LIMITED | Private company limited by shares | Live |
| SINGH SOLUTIONS LIMITED | Private company limited by shares | Live |
| SILVER ART INC LIMITED | Private company limited by shares | Live |
| GATHER SINCERE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Siam Asia Limited | Private company limited by shares | Live |
| SINO MAGNETICS CO., LIMITED | Private company limited by shares | Dissolved |
| CAFÉ SILVESTRE LIMITED | Private company limited by shares | Live |
| SINO BIG LIMITED | Private company limited by shares | Live |
| SINO CROWN INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SIBOI LIMITED | Private company limited by shares | Dissolved |
| T. Singh Brother Hong Kong Limited | Private company limited by shares | Live |
| SING WANG CONSULTING LIMITED | Private company limited by shares | Live |
| SINO ENERGY TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| SINOCEAN MARINE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SingFest Limited | Company limited by guarantee | Live |
| SILVERCOAST SOLUTIONS LIMITED | Private company limited by shares | Live |
| HK LED SIGNLIGHT CO., LIMITED | Private company limited by shares | Dissolved |
| SIHUI TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG SILICON VALLEY TECHNOLOGY LIMITED | Private company limited by shares | Live |