| DR. TSUI HING SING ROBERT & ASSOCIATES LIMITED | Private company limited by shares | Live |
| AJ SIGNTECH LIMITED | Private company limited by shares | Dissolved |
| WEALTH SINO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WING SING TAI INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO GROW ENTERPRISES LIMITED | Private company limited by shares | Live |
| CHARM SING TRADING LIMITED | Private company limited by shares | Dissolved |
| LIENG SING COMPANY LIMITED | Private company limited by shares | Live |
| EAST SINO DESIGNS LIMITED | Private company limited by shares | Live |
| SIMKI INVESTMENT LIMITED | Private company limited by shares | Live |
| SILICON SINO CORPORATION LIMITED | Private company limited by shares | Live |
| SINO TECHNOLOGY CORPORATION LIMITED | Private company limited by shares | Live |
| SIU SING LAMP COMPANY LIMITED | Private company limited by shares | Dissolved |
| MOON SILVER LIMITED | Private company limited by shares | Dissolved |
| SINO RICH ASIA LIMITED | Private company limited by shares | Live |
| NEW SINCERE ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOCROWN LIMITED | Private company limited by shares | Live |
| SINO UNITED TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO CHINA TRADING LIMITED | Private company limited by shares | Live |
| CHARTER SINO INVESTMENTS LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Apr-2013 |
| SINO BASE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SIYU LIMITED | Private company limited by shares | Dissolved |
| STARTEC SINO LIMITED | Private company limited by shares | Dissolved |
| SINO SHELL LIMITED | Private company limited by shares | Dissolved |
| SIVAL TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| SINO FORCE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO ESTATES MANAGEMENT (CHINA) LIMITED | Private company limited by shares | Live |
| SUN SING CREATION COMPANY LIMITED | Private company limited by shares | Live |
| EVER SINCERE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO EXPRESS TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO WAY INVESTMENT LIMITED | Private company limited by shares | Live |
| TOP SIGNAL HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINJA.COM (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SILKONNET.COM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILKONNET MEDIA LIMITED | Private company limited by shares | Dissolved |
| SINO STATION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO WAY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINO PLAN LIMITED | Private company limited by shares | Dissolved |
| WING SING PIECE GOODS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TUNG SING HONG KONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN SINOTRANS STORAGE & TRANSPORTATION CO. LIMITED | Private company limited by shares | Dissolved |
| SINO TALENT INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| YET SING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINO BASE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINOCEAN SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| SIERRA MIDDLE EAST CORPORATION LIMITED | Private company limited by shares | Dissolved |
| MING SING PAINTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCERE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINO ACT ASIA LIMITED | Private company limited by shares | Dissolved |
| KWAN SING CONTRACTORS LIMITED | Private company limited by shares | Live |
| SOM SING CO. LIMITED | Private company limited by shares | Live |
| SIGLO LIMITED | Private company limited by shares | Live Commenced dormancy on 18-Jun-2014 |
| SINO PILOT FORWARDING CO., LIMITED | Private company limited by shares | Dissolved |
| SIERRA TRADING LIMITED | Private company limited by shares | Dissolved |
| ALLIED SINO TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SINO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOSTAR PROPERTY CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SILICON (H.K.) LIMITED | Private company limited by shares | Live |
| CHINA SILICON VALLEY INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| SINO PLASTICS LIMITED | Private company limited by shares | Dissolved |
| SINO FOCUS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SINO LOGIC ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINO YIELD (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO CONCEPT ASIA LIMITED | Private company limited by shares | Live |
| SINO LOGIC TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO-GOAL ELECTRONICS (H.K.) CO., LIMITED | Private company limited by shares | Live |
| SINO IVY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SILVER CHOICE LIMITED | Private company limited by shares | Live |
| SINO OCEAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SILVER GRAND LIMITED | Private company limited by shares | Dissolved |
| SINO GOAL LIMITED | Private company limited by shares | Live |
| SINO QUEEN LIMITED | Private company limited by shares | Live |
| SINO WEALTHY LIMITED | Private company limited by shares | Dissolved |
| SINO UNITED INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO EASTERN SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINCERE INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| GLORIOUS SILVER ASSETS LIMITED | Private company limited by shares | Dissolved |
| CHUNG SING JITUAN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| S.I.T.C. LIMITED | Private company limited by shares | Live |
| SINO COSMOS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO BASIC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SIMCOE (PACIFIC) COMPANY LIMITED | Private company limited by shares | Live |
| SIMON LIMITED | Private company limited by shares | Dissolved |
| SINO CHEER ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO 2000 LIMITED | Private company limited by shares | Dissolved |
| SINO.SILICON COMPANY LIMITED | Private company limited by shares | Live |
| SILICON SYSTEM LIMITED | Private company limited by shares | Dissolved |
| SIRIUS HK LIMITED | Private company limited by shares | Dissolved |
| SIMPLE TARGET INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TIME SIGNAL LIMITED | Private company limited by shares | Dissolved |
| WUI SING TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Live |
| SINO E-TRADE LINK CO. LIMITED | Private company limited by shares | Dissolved |
| SINO ARTS LIMITED | Private company limited by shares | Dissolved |
| SING LEE ELECTRONICS (GROUP) LIMITED | Private company limited by shares | Dissolved |
| SINO DRAGON FAR EAST LIMITED | Private company limited by shares | Dissolved |
| SINO YIELD TRADING LIMITED | Private company limited by shares | Dissolved |
| SIMULA COMPANY LIMITED | Private company limited by shares | Live |
| SINO LEGEND LIMITED | Private company limited by shares | Dissolved |
| SILVER UNICORN LIMITED | Private company limited by shares | Dissolved |
| SIMPLE MUSIC LIMITED | Private company limited by shares | Dissolved |
| SINO FAME ENTERPRISES LIMITED | Private company limited by shares | Dissolved |