| HANG SING MACHINERY WORKS LIMITED | Private company limited by shares | Dissolved |
| SINO BUSINESS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| NEW SINO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO BEST ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINONEX LIMITED | Private company limited by shares | Dissolved |
| SINO CENTURY (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SINOSOFT INTERNATIONAL (HOLDING) LIMITED | Private company limited by shares | Live |
| SINO PACIFIC OIL LIMITED | Private company limited by shares | Live |
| SINOLINK FINE WINES LIMITED | Private company limited by shares | Dissolved |
| CHINA SINO CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINOSUN PROPERTIES LIMITED | Private company limited by shares | Live |
| SINOSUN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO ASIA PROPERTIES LIMITED | Private company limited by shares | Live |
| HANG SING CATERER MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| SINO MONT LIMITED | Private company limited by shares | Dissolved |
| SOUTH SINO LIMITED | Private company limited by shares | Dissolved |
| SINO NEW LIMITED | Private company limited by shares | Dissolved |
| SILVER CHELLENGE LIMITED | Private company limited by shares | Dissolved |
| SINO SPIRIT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOCOM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO PACIFIC INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SUN SING TRADING (H.K.) LIMITED | Private company limited by shares | Live |
| SILVER YORK LIMITED | Private company limited by shares | Live |
| SINO GLORY MANAGEMENT LIMITED | Private company limited by shares | Live |
| SING CHEONG ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINO PEAK FINANCE LIMITED | Private company limited by shares | Live |
| SINO SPIRIT INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO LEGEND ENTERPRISES LIMITED | Private company limited by shares | Live |
| SIMFORD (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SIGNAL LUX HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SING'S REFRIGERATION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINAGY LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Feb-2016 |
| SINO CHINA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO-BEST ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO CENTURY GARMENTS LIMITED | Private company limited by shares | Dissolved |
| MAX SINO LIMITED | Private company limited by shares | Live |
| Orient Sino Furniture Industrial Corp. Limited | Private company limited by shares | Live |
| SINO FAITH TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO-HK CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| SINBO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO STEP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SILVER MARKET LIMITED | Private company limited by shares | Dissolved |
| SINO COMMERCE LIMITED | Private company limited by shares | Dissolved |
| SINO EASY LIMITED | Private company limited by shares | Dissolved |
| SILVER EASY LIMITED | Private company limited by shares | Dissolved |
| SINO INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINSPEC HK LIMITED | Private company limited by shares | Live |
| ORIENT SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO BUS MEDIA LIMITED | Private company limited by shares | Dissolved |
| SINO AMERICAN TOBACCO LIMITED | Private company limited by shares | Dissolved |
| SINO FAIR INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINGCA LIMITED | Private company limited by shares | Dissolved |
| SINO GALAXY LIMITED | Private company limited by shares | Dissolved |
| Sino Galaxy Investment Limited | Private company limited by shares | Live |
| MAIN SINO LIMITED | Private company limited by shares | Dissolved |
| SINO STANDARD MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINO GALAXY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO STYLE LIMITED | Private company limited by shares | Dissolved |
| SING MAY GARMENT FACTORY LIMITED | Private company limited by shares | Dissolved |
| CHINA SINCERE LIMITED | Private company limited by shares | Dissolved |
| MARK SINO LIMITED | Private company limited by shares | Dissolved |
| SINO RESOURCE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINIAN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINCERITY SECRETARIAL LIMITED | Private company limited by shares | Live |
| SINO FAME LIMITED | Private company limited by shares | Live |
| SINO GLORY ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO BRIDGE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WAH SING COMPUTER EMBROIDERY LIMITED | Private company limited by shares | Dissolved |
| SINO SKY INVESTMENT LIMITED | Private company limited by shares | Live |
| SING YIU TOYS CO., LIMITED | Private company limited by shares | Dissolved |
| SINO ELEGANCE LIMITED | Private company limited by shares | Dissolved |
| SILVERSON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO SONIC LIMITED | Private company limited by shares | Dissolved |
| SINO LEADER (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO SHEEN ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO CHAMPION LIMITED | Private company limited by shares | Live |
| Simply Sydney Limited | Private company limited by shares | Live |
| SIMSON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| C & C GOLD & SILVER LIMITED | Private company limited by shares | Dissolved |
| ORIENT SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINOGROWTH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ASIA SINOWEST LIMITED | Private company limited by shares | Dissolved |
| SINO SENIOR MARBLE LIMITED | Private company limited by shares | Live |
| TAOIST SING TAO CHING TAN LIMITED | Company limited by guarantee | Live |
| SINO NATIONAL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO NOBLE ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| WING SING TOWING & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HARI SINGH & COMPANY LIMITED | Private company limited by shares | Live |
| SINO COMMERCIAL INFORMATION LIMITED | Private company limited by shares | Dissolved |
| SIMECO LIMITED | Private company limited by shares | Live |
| SILVER CLASSIC LIMITED | Private company limited by shares | Dissolved |
| MEGA SINO LIMITED | Private company limited by shares | Dissolved |
| SINOCORP INTERNATIONAL CAPITAL AND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WING SING GARMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-HK CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SING YEAR TRADING LIMITED | Private company limited by shares | Dissolved |
| SING YEAR ASIA LIMITED | Private company limited by shares | Dissolved |
| SING YEAR HOLDING LIMITED | Private company limited by shares | Dissolved |
| SUPER SINO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |