| SINO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Sino Stride (HK) Limited | Private company limited by shares | Live |
| SINO TRAVEL SERVICE LIMITED | Private company limited by shares | Live |
| SINO BLOOM CORPORATION LIMITED | Private company limited by shares | Live |
| SIDSA Hong-Kong Limited | Private company limited by shares | Dissolved |
| SINO ADVANTAGE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Sinapolis Limited | Private company limited by shares | Live |
| SIXTY FIVE CONSULTING FAR EAST LIMITED | Private company limited by shares | Dissolved |
| OCEAN SINO PETROLEUM LIMITED | Private company limited by shares | Live |
| SMARTIE SISTERS ASSETS MANAGEMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| SILVERTIMES INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO MINMETALS CORPORATION CO., LIMITED | Private company limited by shares | Dissolved |
| SINO REALTY (ASIA) LIMITED | Private company limited by shares | Live |
| MAN SING INVESTMENTS & CONSULTANTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNNY PEAK SILICON RUBBER CO., LIMITED | Private company limited by shares | Live |
| Sino-Kor Resources Limited | Private company limited by shares | Dissolved |
| SINO WELLS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SILVERBOB INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SILK TECH LIMITED | Private company limited by shares | Dissolved |
| Sinceritec Architecture (DE) Design Co., Limited | Private company limited by shares | Dissolved |
| GLORY SINO GARMENT LIMITED | Private company limited by shares | Dissolved |
| HONG SING INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO YOUNG LIMITED | Private company limited by shares | Live |
| ASIAN SINO LIMITED | Private company limited by shares | Live |
| SKY SILVER LIMITED | Private company limited by shares | Live |
| SINO GOOD LIMITED | Private company limited by shares | Live |
| SINOIMEX GROUP (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| SINO WORLD MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINO BASE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SIPRING TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| SILK DRAGON LIMITED | Private company limited by shares | Live |
| SINO EMPEROR LIMITED | Private company limited by shares | Dissolved |
| SINO FOUNTAIN INDUSTRIAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SILICONTECH (H.K.) LIMITED | Private company limited by shares | Live |
| SILKSOFT LIMITED | Private company limited by shares | Dissolved |
| M&O SILK LIMITED | Private company limited by shares | Dissolved |
| SIAM INFRASTRUCTURE LIMITED | Private company limited by shares | Dissolved |
| SIDE2SIDE LIMITED | Private company limited by shares | Live |
| SING SING CONSTRUCTION ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| Thoughts For Simple Life Limited | Private company limited by shares | Live |
| HONG KONG SILICON INDUSTRY RESOURCES LIMITED | Private company limited by shares | Live |
| SINO-USA HARMONY HEALTH GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| Silver Lake Flax Company Limited | Private company limited by shares | Live |
| SINICA INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINCEREST MANAGEMENT LIMITED | Private company limited by shares | Live |
| SILVER CONE LIMITED | Private company limited by shares | Live |
| LAI SING (HK) LIMITED | Private company limited by shares | Dissolved |
| SILKROAD INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| SINO-VISTA INTERNATIONAL INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| HANGZHOU AILI SILK CO., LIMITED | Private company limited by shares | Live |
| SINO EMPIRE CHINA LIMITED | Private company limited by shares | Live |
| SIMAN LIMITED | Private company limited by shares | Live |
| SINO BEAUTY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO GREAT INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| HK SINCEE VIVERS STOCK CO., LIMITED | Private company limited by shares | Dissolved |
| SIMPLE STAR LIMITED | Private company limited by shares | Live |
| SIMPLE STAR HONG KONG LIMITED | Private company limited by shares | Dissolved |
| TOP SIGN LIMITED | Private company limited by shares | Dissolved |
| SINO PACIFIC SHIPPING LIMITED | Private company limited by shares | Live |
| SINO FIELD TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO-SMART CONSULTANCY LIMITED | Private company limited by shares | Live |
| SINO-HK INTERNATIONAL RESOURCES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO CHAMPION INVESTMENT LIMITED | Private company limited by shares | Live |
| Sino-American Resources Limited | Private company limited by shares | Dissolved |
| PAK SING SHOE MATERIAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO EUROPEAN TRADING LIMITED | Private company limited by shares | Dissolved |
| VICTORY SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINDOH (HONGKONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-SMART CONTROLS LIMITED | Private company limited by shares | Dissolved |
| PAK SING PROPERTY LIMITED | Private company limited by shares | Dissolved |
| SINOMED GROUP LIMITED | Private company limited by shares | Live |
| SINOR LIMITED | Private company limited by shares | Dissolved |
| SINOTEC TRADING CO., LIMITED | Private company limited by shares | Live |
| SINO-UNIVERSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SILICORP CO., LIMITED | Private company limited by shares | Dissolved |
| SINO TACT LIMITED | Private company limited by shares | Live |
| SINOTOP ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINO HOPE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO GAS GROUP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO RICH-WEALTH INT'L TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINOTIME ASSET MANAGEMENT LIMITED | Private company limited by shares | Live |
| WAH SING UNIVERSAL COMPANY LIMITED | Private company limited by shares | Live |
| FAIR SIGHT LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Jul-2011 |
| SINO FAITH INDUSTRY (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| SIBOO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FUJITSU SIEMENS ELECTRICIAN (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| SINOLEAD CHINA LIMITED | Private company limited by shares | Live |
| LUCK SINCERE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SIMON LIMITED | Private company limited by shares | Live |
| SINO CHOICE GLOBAL LIMITED | Private company limited by shares | Dissolved |
| SINO WEALTH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO KING ELECTRONICS LIMITED | Private company limited by shares | Live |
| SINTON LIMITED | Private company limited by shares | Dissolved |
| FUNG SING METAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| SING WEN INVESTMENT LIMITED | Private company limited by shares | Live |
| MING SING INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| SINOTEX CREATION LIMITED | Private company limited by shares | Dissolved |
| SINO BEAUTY LIMITED | Private company limited by shares | Dissolved |
| Siangan Trade Company Limited | Private company limited by shares | Dissolved |
| SINO PRECIOUS INTERNATIONAL LIMITED | Private company limited by shares | Live |