| SINO LINK INVESTMENTS LIMITED | Private company limited by shares | Live |
| Wah Sing Button Corporation Limited | Private company limited by shares | Live |
| Sino Splendor Corporation Limited | Private company limited by shares | Live |
| SINCDH (HK) INTERNATIONAL ENTERPRISE GROUP INVESTMENT HOLDING CO., LIMITED | Private company limited by shares | Live |
| SINOSPRING (HONG KONG) INTERNATIONAL BEVERAGES COMPANY LIMITED | Private company limited by shares | Live |
| SINO E&M (HK) CO., LIMITED | Private company limited by shares | Live |
| Sinoallbest Co., Limited | Private company limited by shares | Live |
| SINCO TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Live |
| SINO PACIFIC (H.K.) LIMITED | Private company limited by shares | Live |
| SINO ROCK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINICONE LIMITED | Private company limited by shares | Live |
| SINO POTASSA LIMITED | Private company limited by shares | Live |
| SINO STONEGO INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SINO HEALTHCARE LIMITED | Private company limited by shares | Live |
| SINCERE PRO LIMITED | Private company limited by shares | Live |
| SINO FAR IMPORT & EXPORT LIMITED | Private company limited by shares | Live |
| SINO JIN XIA BRIDGE INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| Singbada HK Limited | Private company limited by shares | Live |
| SINO WELL TRADING DEVELOP LIMITED | Private company limited by shares | Dissolved |
| SINGWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sino Smooth Trading Limited | Private company limited by shares | Live |
| YAN SING (HONGKONG) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SING CHI AIR-CONDITIONING & ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO VICTOR (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sino Glory (Hong Kong) Group Co. Limited | Private company limited by shares | Live |
| SINO WAY LIMITED | Private company limited by shares | Live |
| Hongkong Sindawee Co., Limited | Private company limited by shares | Live |
| Singapore National Kidney Disease Research Institute Company Limited | Private company limited by shares | Live |
| TUNG SING INTERNATIONAL WEALTH LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Jun-2015 |
| SINAN CONSULTING LIMITED | Private company limited by shares | Live |
| TAK FUNG (SINO) LIMITED | Private company limited by shares | Dissolved |
| FU SING MEDICAL LIMITED | Private company limited by shares | Live |
| SING YOUR NAME HK LIMITED | Private company limited by shares | Live |
| SINCERE ARTISAN WORKSHOP COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO PROSPER INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOSHARP VIEWCAM LIMITED | Private company limited by shares | Live |
| SINO ASIAN INC LIMITED | Private company limited by shares | Live |
| TACT SINO LIMITED | Private company limited by shares | Dissolved |
| HONG KONG TAK SING VSOUND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO GOLDEN SHIPPING CO., LIMITED | Private company limited by shares | Live |
| CENTRAL SINO INVESTMENTS (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO VICTORY CORPORATION LIMITED | Private company limited by shares | Live Commenced dormancy on 26-Mar-2015 |
| SINKO GLOBAL (HK) LIMITED | Private company limited by shares | Live |
| NEW SING FAI INT'L LIMITED | Private company limited by shares | Live |
| SINO PEARL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO SEA LIMITED | Private company limited by shares | Dissolved |
| SINOPLUS GROUP LIMITED | Private company limited by shares | Live |
| FUNG SING AIR-CONDITION ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| SINO MEDIA STAR LIMITED | Private company limited by shares | Live |
| SinoLink Marine Co., Limited | Private company limited by shares | Live |
| NEW SINOTECH LIMITED | Private company limited by shares | Live |
| Jinan Sinco Testing Equipment Co., Limited | Private company limited by shares | Dissolved |
| SINOPOWER GROUP LIMITED | Private company limited by shares | Live |
| SINO E-TAIL LIMITED | Private company limited by shares | Live |
| SINO FAMOUS (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO-EXPO HK CO., LIMITED | Private company limited by shares | Live |
| Sineurex Limited | Private company limited by shares | Live |
| SING SHUI TRADING LIMITED | Private company limited by shares | Live |
| Wah Sing International Industrial Limited | Private company limited by shares | Live |
| CHINA SINO GROUP LIMITED | Private company limited by shares | Live |
| SINO CASTLE CORPORATION LIMITED | Private company limited by shares | Live |
| SINOINCO LIMITED | Private company limited by shares | Live |
| SING KWONG ENGINEERING (HK) CO. LIMITED | Private company limited by shares | Live |
| Sino Maxim International Corporation Limited | Private company limited by shares | Live |
| HONG KONG SINO REALITY TRADING LIMITED | Private company limited by shares | Live |
| Switzerland Singer Mother & Baby Health Products Group Co., Limited | Private company limited by shares | Live |
| SINO PUBLIC WELFARE FEDERATION LIMITED | Private company limited by shares | Live |
| SINOPORT INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| RICH SINO INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO FAITH (C-HK) LIMITED | Private company limited by shares | Live |
| SINOPAK UNITED RESOURCE CO., LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL SPACE MUSEUM LIMITED | Private company limited by shares | Live |
| Sinolink International Consulting Limited | Private company limited by shares | Live |
| SINO ASIAN INDUSTRY LIMITED | Private company limited by shares | Live |
| SINO INDUSTRIAL ASSOCIATED LIMITED | Private company limited by shares | Live |
| SINO SHEEN HK INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| SINO CROWN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO-AFRICAN TRADE & CULTURE UNION CO., LIMITED | Private company limited by shares | Live |
| WING SING FINANCE LIMITED | Private company limited by shares | Dissolved |
| SINAMOBI ELECTRONIC & TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SING LI TRADING LIMITED | Private company limited by shares | Live |
| SINO GAIN CONSULTANCY LIMITED | Private company limited by shares | Live |
| SING YIK TRADING LIMITED | Private company limited by shares | Dissolved |
| Sinolatin Limited | Private company limited by shares | Live |
| CHONG SING DESIGN LIMITED | Private company limited by shares | Live |
| MING SING GLOBAL TRADING LIMITED | Private company limited by shares | Dissolved |
| Sinovo Technologies Co., Limited | Private company limited by shares | Live |
| Sinolandever Capital (Hong Kong) Limited | Private company limited by shares | Live |
| HO SING PROPERTIES LIMITED | Private company limited by shares | Live |
| Sino Ocean Leisure Fishery Limited | Private company limited by shares | Live |
| SINO-MALAYSIA GRAINS & OILS LIMITED | Private company limited by shares | Live |
| Wang Sing & Co. Limited | Private company limited by shares | Live |
| SMART SINO INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINGFO SOLAR ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| SINOSHINE HY LIMITED | Private company limited by shares | Live |
| SINO SOLUTION CONSULTANT LIMITED | Private company limited by shares | Live |
| SINAISTAR INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SINO STAR ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| SINGOLDEN COMPANY LIMITED | Private company limited by shares | Live |
| SAI SING TRADING COMPANY LIMITED | Private company limited by shares | Live |