| SMOOTH SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SUNNY SINO CORPORATION LIMITED | Private company limited by shares | Live |
| AMPLE SINO TRADING LIMITED | Private company limited by shares | Live |
| Upstar Silicon (HK) Limited | Private company limited by shares | Live |
| Silicon TX Holdings HK Limited | Private company limited by shares | Live |
| SIDU LIMITED | Private company limited by shares | Live |
| Sino container line Limited | Private company limited by shares | Live |
| JOY SINO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINGULARITY INTERACTIVE LIMITED | Private company limited by shares | Live |
| SINGATE ELECTRIC GROUP CO., LIMITED | Private company limited by shares | Live |
| Sinorailways Company Limited | Private company limited by shares | Live |
| Sichuan Fortune International Holdings Company Limited | Private company limited by shares | Live |
| Non Signe Limited | Private company limited by shares | Live |
| Siramik Limited | Private company limited by shares | Live |
| Make It Simple (MIS) Limited | Private company limited by shares | Live |
| SIDUTRADE NV LIMITED | Private company limited by shares | Live |
| SINO ENERGY INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| HK SIQUAN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINCE TRADING LIMITED | Private company limited by shares | Live |
| Sirom Plastic Limited | Private company limited by shares | Live |
| SINSHIN TRADING LIMITED | Private company limited by shares | Live |
| Silverspoons Limited | Private company limited by shares | Live |
| SINO SKY CREATION LIMITED | Private company limited by shares | Live |
| SILVER NOTION LIMITED | Private company limited by shares | Live |
| SINO FAME INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Po Sing Catering Group Limited | Private company limited by shares | Live |
| SINO EQUITY LIMITED | Private company limited by shares | Live |
| KO SING PROFESSION CONSULTANT LIMITED | Private company limited by shares | Live |
| LEAD SINO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Silford (Hong Kong) Company Limited | Private company limited by shares | Live |
| WAH SIHNG SUPPLY CHAIN LIMITED | Private company limited by shares | Live |
| Yat Sing Material Co., Limited | Private company limited by shares | Live |
| SING FUNG PAINTING COMPANY LIMITED | Private company limited by shares | Live |
| SINO LIGHT PROPERTIES LIMITED | Private company limited by shares | Live |
| OK SILICONE GIFT CO., LIMITED | Private company limited by shares | Live |
| One Sixteenth Coffee Company Limited | Private company limited by shares | Live |
| Sino Sky Star Corporation Limited | Private company limited by shares | Live |
| SINO EARN LIMITED | Private company limited by shares | Live |
| SINCERE REWARD LIMITED | Private company limited by shares | Live |
| SIMSBERG WINE COMPANY LIMITED | Private company limited by shares | Live |
| Sino-Mold-Town Group Limited | Private company limited by shares | Live |
| SIRIUSTAR INVESTMENT LIMITED | Private company limited by shares | Live |
| Sichuan Teweing (HK) Engineering Co., Limited | Private company limited by shares | Live |
| Simmax Supply Chain Limited | Private company limited by shares | Live |
| HIM SING LIMITED | Private company limited by shares | Live |
| RICH SINO INC LIMITED | Private company limited by shares | Live |
| SINO MEGA TRADE LIMITED | Private company limited by shares | Dissolved |
| SINO ERLI INDUSTRIAL AND TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HK SilkRoad International Investment Co., Limited | Private company limited by shares | Live |
| Simple Link Lodging Limited | Private company limited by shares | Live |
| SILK ROAD ENTERTAINMENT COMPANY LIMITED | Private company limited by shares | Live |
| Sino Rosy Culture and Media Company Limited | Private company limited by shares | Live |
| SIMWAY LIMITED | Private company limited by shares | Live |
| SINOIF TRADING LIMITED | Private company limited by shares | Live |
| SightSeeker Limited | Private company limited by shares | Live |
| SING TAI TRADING CO., LIMITED | Private company limited by shares | Live |
| SIBACO INVESTMENT LIMITED | Private company limited by shares | Live |
| SIMWITCH LIMITED | Private company limited by shares | Live |
| SINO ASSET INC LIMITED | Private company limited by shares | Live |
| SINO CORPORATE LIMITED | Private company limited by shares | Live |
| SINO SKY INC LIMITED | Private company limited by shares | Dissolved |
| HK Sinocof International Wines Company Limited | Private company limited by shares | Live |
| SINOTEAM INVESTMENT LIMITED | Private company limited by shares | Live |
| Sino Oil & Gas Investment Limited | Private company limited by shares | Live |
| WISE SINO LIMITED | Private company limited by shares | Live |
| PAN SINO LIMITED | Private company limited by shares | Live |
| ABLE SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| CHUEN SING EXHIBITION AND STAGE LIMITED | Private company limited by shares | Live |
| Sibai Precision Machinery Limited | Private company limited by shares | Live |
| SIGMAWIT LIMITED | Private company limited by shares | Live |
| VIP SIGNAL LIMITED | Private company limited by shares | Live |
| SINO BRAND INC LIMITED | Private company limited by shares | Live |
| China Simann Industrial Co., Limited | Private company limited by shares | Live |
| SINO CLASSIC ENTERPRISES LIMITED | Private company limited by shares | Live |
| Sing Sing China Limited | Private company limited by shares | Live |
| SINO SUCCESS ASIA LIMITED | Private company limited by shares | Live |
| SINOTORCH INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| KA SING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Siana Limited | Private company limited by shares | Live |
| Siam Private Equity Limited | Private company limited by shares | Live |
| Sao Simao Investment Limited | Private company limited by shares | Live |
| Single Coffee Limited | Private company limited by shares | Live |
| KIND SINO LIMITED | Private company limited by shares | Live |
| SING YIU CARPENTER CERAMIC PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| Silven Group Limited | Private company limited by shares | Live |
| Sincere Cleaning Service Limited | Private company limited by shares | Live |
| Sino Treasure Investment Management Limited | Private company limited by shares | Live |
| Sing Yan Nursing Home Operating Management Limited | Private company limited by shares | Live |
| SINO BEST MEGA TRADE LIMITED | Private company limited by shares | Live |
| RUDDY SINO TRADING LIMITED | Private company limited by shares | Live Commenced dormancy on 23-Oct-2018 |
| Sing Mok Engineering Hong Kong Company Limited | Private company limited by shares | Live |
| SINO BRIGHT FIELD LIMITED | Private company limited by shares | Live |
| SINO EVER BRIGHT LIMITED | Private company limited by shares | Live |
| SINO MILLION INC LIMITED | Private company limited by shares | Live |
| SINO GOLD DRAGON LIMITED | Private company limited by shares | Live |
| SINO GREAT FAITH LIMITED | Private company limited by shares | Live |
| SINO TIME LUCK LIMITED | Private company limited by shares | Live |
| SINO HONEST INC LIMITED | Private company limited by shares | Live |
| SINNALBA (HK) LIMITED | Private company limited by shares | Live |
| SIWAI IMPORT AND EXPORT TRADE CO., LIMITED | Private company limited by shares | Live |