| Sino-Cornwall Limited | Private company limited by shares | Live |
| SINO GOAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SILVERDEW DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SIGHTNOON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| YAT SING MAGNETICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILVER HIT LIMITED | Private company limited by shares | Dissolved |
| SINOCALL LIMITED | Private company limited by shares | Dissolved |
| SINOCANON LIMITED | Private company limited by shares | Dissolved |
| SINOBODY LIMITED | Private company limited by shares | Dissolved |
| SINOBARGAIN LIMITED | Private company limited by shares | Live |
| SINOBOON LIMITED | Private company limited by shares | Dissolved |
| SINOCLASSIC ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINOANGEL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOACTION LIMITED | Private company limited by shares | Live |
| HOP SING HONG PAPER COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOCORP CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SING YANG (OVERSEAS) LIMITED | Private company limited by shares | Live |
| SINICA NATURA LIMITED | Private company limited by shares | Dissolved |
| SIMKI CHEMICALS & COTTON FIBRE LIMITED | Private company limited by shares | Live |
| FOCUS SILICON RUBBER INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| SINOBUTTON LIMITED | Private company limited by shares | Dissolved |
| SINCERE WELL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINOCHEST LIMITED | Private company limited by shares | Dissolved |
| SIDE 7 LIMITED | Private company limited by shares | Live |
| SINODAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING-CHAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| KEE FUNG SING INTERNATIONAL FINANCE COMPANY LIMITED | Private company limited by shares | Live |
| SIMAGA (HK) LIMITED | Private company limited by shares | Dissolved |
| WANY SIGNAL LIMITED | Private company limited by shares | Dissolved |
| SINO MESSAGE LIMITED | Private company limited by shares | Dissolved |
| FORMOSA SILICON H.K. COMPANY LIMITED | Private company limited by shares | Live |
| SINO CONCEPT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO GATEWAY EXPRESS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO ISLAND GARMENTS LIMITED | Private company limited by shares | Dissolved |
| SIGMATEX INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SINCERE LINK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO WATCH LIMITED | Private company limited by shares | Dissolved |
| SINO PHARMA INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TI-LIK SILK FLOWER FACTORY LIMITED | Private company limited by shares | Dissolved |
| DAH SING INSURANCE BROKERS LIMITED | Private company limited by shares | Live |
| KA SING TRADING LIMITED | Private company limited by shares | Dissolved |
| TIM SING LIMITED | Private company limited by shares | Dissolved |
| SIPHON COMPANY LIMITED | Private company limited by shares | Live |
| SINDA LIMITED | Private company limited by shares | Dissolved |
| SINOPROSPER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SILVERUNITY TRADING LIMITED | Private company limited by shares | Dissolved |
| SILVERIFE LIMITED | Private company limited by shares | Live |
| SILVERICH INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SILVERCROWN LIMITED | Private company limited by shares | Live |
| SINO-WIN TRADING LIMITED | Private company limited by shares | Live |
| PACIFIC SITE LIMITED | Private company limited by shares | Live |
| SIGHT-FIT DIE CASTING MANUFACTURING COMPANY LIMITED | Private company limited by shares | Live |
| SILA INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SILASIA TRADING LIMITED | Private company limited by shares | Live |
| SINOTOP LIMITED | Private company limited by shares | Dissolved |
| SIGHT WAY LIMITED | Private company limited by shares | Dissolved |
| SIDE BEN LIMITED | Private company limited by shares | Dissolved |
| SING TAT APPARELS COMPANY LIMITED | Private company limited by shares | Live |
| SING YUE ADVERTISING (H.K.) LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIPRA Limited | Private company limited by shares | Live |
| PO SING FIREWORKS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SIDER COMPANY LIMITED | Private company limited by shares | Dissolved |
| GALORE SINO LIMITED | Private company limited by shares | Dissolved |
| BEST SIGHT PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| HOP SING PROMOTION LIMITED | Private company limited by shares | Dissolved |
| SIMKY LIMITED | Private company limited by shares | Dissolved |
| SIYOL LIMITED | Private company limited by shares | Dissolved |
| SILVER CENTURY LIMITED | Private company limited by shares | Dissolved |
| GREAT SINO FOUNDATION LIMITED | Private company limited by shares | Dissolved |
| SIMPASS INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINO LEGEND TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO BRIDGE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINOTIDE LIMITED | Private company limited by shares | Live |
| SILKITE LIMITED | Private company limited by shares | Dissolved |
| SINO FORCE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOWELL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINOGATE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO CITY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| BUSY SINO LIMITED | Private company limited by shares | Dissolved |
| DENSE SINO LIMITED | Private company limited by shares | Dissolved |
| SINO PURSE LIMITED | Private company limited by shares | Live |
| SINO ASSET MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINO VISION-TECH CONSULTANT & SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| SINO KING LIMITED | Private company limited by shares | Dissolved |
| SINOTRADE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SIGNAL ONE LIMITED | Private company limited by shares | Dissolved |
| SINOPRINT LIMITED | Private company limited by shares | Dissolved |
| WING SING REALTY AGENCY LIMITED | Private company limited by shares | Dissolved |
| SINO LAND CHINA INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO SCHEME LIMITED | Private company limited by shares | Dissolved |
| SINTHAIHUA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CHUNG SAN SINCERE LIMITED | Private company limited by shares | Dissolved |
| SILVER FORT LIMITED | Private company limited by shares | Dissolved |
| SILVERSON LIMITED | Private company limited by shares | Dissolved |
| SILVERGRAND SOURCING LIMITED | Private company limited by shares | Dissolved |
| SINORAYS ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOFLOR LIMITED | Private company limited by shares | Dissolved |
| SINOMINK LIMITED | Private company limited by shares | Dissolved |