| General Practice Surveyors Limited | Private company limited by shares | Live |
| SUMMUS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SUNNYVIEW EDUCATION LIMITED | Private company limited by shares | Dissolved |
| SUNTAI TRADING LIMITED | Private company limited by shares | Live |
| SUNSAILING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Sunjacksen (HK) Limited | Private company limited by shares | Live |
| SUMAVISION INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| NETWORK TECHNOLOGY SUPPLIERS LIMITED | Private company limited by shares | Live |
| Summit HK Offshore Limited | Private company limited by shares | Live |
| Surfgirl Limited | Private company limited by shares | Dissolved |
| SUNNY IDEA LIMITED | Private company limited by shares | Live |
| SUNWAY INTERNATIONAL HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| EVER SUMMIT ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| RICH SUCCESS INVESTMENTS LIMITED | Private company limited by shares | Live |
| GOODCARE MEDICAL SUPPLIES LIMITED | Private company limited by shares | Live |
| SugarMonkey Limited | Private company limited by shares | Live |
| SUNFLOW HONGKONG LIMITED | Private company limited by shares | Live |
| SUNRISER INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SunBelter Precision Manufacturing Co., Limited | Private company limited by shares | Live |
| SUPER CHOPPER LIMITED | Private company limited by shares | Dissolved |
| SUMMIT RESOURCES LIMITED | Private company limited by shares | Dissolved |
| SUBURBAN PROPERTIES LIMITED | Private company limited by shares | Live |
| SUNWAY GS LIMITED | Private company limited by shares | Live |
| Kayako Support Systems Limited | Private company limited by shares | Dissolved |
| SUNTECH GLOBAL ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| SUNYA INDUSTRIAL LIMITED | Private company limited by shares | Live |
| WIN SUSHI SASHIMI LIMITED | Private company limited by shares | Live |
| ART ACTUATOR SUPPLIER LIMITED | Private company limited by shares | Live |
| HK SUNWAY INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| SUNSHINE STUDIO (ASIA) LIMITED | Private company limited by shares | Live |
| SHENZHEN AN HAI MARINE SUPPLIES CO., LIMITED | Private company limited by shares | Live |
| SUIFENHE TIANFUSHENG ECONOMIC AND TRADE CO., LIMITED | Private company limited by shares | Live |
| CHINA SUWEY SHARES CO., LIMITED | Private company limited by shares | Live |
| SUGARLOAF LIMITED | Private company limited by shares | Live |
| SUMTONG INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SUZHOU JINGTAI METALLIC PIGMENT CO., LIMITED | Private company limited by shares | Live |
| SURPLUS NICE LIMITED | Private company limited by shares | Live |
| Hong Kong Beauty Supplies Limited | Private company limited by shares | Live |
| Innovation Sustainable Energy (Hong Kong) Company Limited | Private company limited by shares | Live |
| SUNNY GRACE LIMITED | Private company limited by shares | Live |
| SURE ASCENT LIMITED | Private company limited by shares | Dissolved |
| Suntech Power Asia Pacific Limited | Private company limited by shares | Live |
| SUNDAY PRINTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SUNGO COMPANY LIMITED | Private company limited by shares | Dissolved |
| FUK LUK SUSHI LIMITED | Private company limited by shares | Dissolved |
| SUPER INN LIMITED | Private company limited by shares | Live |
| SUPER GRACE TRADE LIMITED | Private company limited by shares | Live |
| SUNLIFE LIMITED | Private company limited by shares | Live |
| SUSHI ONE TMT LIMITED | Private company limited by shares | Live |
| SUNSHINE TOP CO., LIMITED | Private company limited by shares | Live |
| SUCCESSFUL INVESTMENT DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SURE SUCCESS DEVELOP LIMITED | Private company limited by shares | Live |
| Superior Revive International Limited | Private company limited by shares | Live |
| SURSEE SCIENTIFIC GROUP LIMITED | Private company limited by shares | Live |
| SUIFENHE HONGRUN ECONOMIC AND TRADE CO., LIMITED | Private company limited by shares | Live |
| SUNDII TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUCCESS VIEW LIMITED | Private company limited by shares | Live |
| SUCCESS DRAGON LIMITED | Private company limited by shares | Live |
| SKY SURPLUS INC. LIMITED | Private company limited by shares | Dissolved |
| MEGA SUNRISE LIMITED | Private company limited by shares | Live |
| SURE LINK SHIPPING LIMITED | Private company limited by shares | Live |
| NINGBO SUNBY INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SunQuest International Co., Limited | Private company limited by shares | Live |
| SUNNY DRAGON LIMITED | Private company limited by shares | Live |
| WINNING SUMMIT LIMITED | Private company limited by shares | Live |
| SUPERBEAUTY COSMETICS CO., LIMITED | Private company limited by shares | Live |
| SUPERIOR GOLDSILVER AND JEWELLERY HK LIMITED | Private company limited by shares | Live |
| SUPREME INNOVATION LIMITED | Private company limited by shares | Live |
| NEW SUNNIC LIMITED | Private company limited by shares | Dissolved |
| SUNSHINE DEVELOP LIMITED | Private company limited by shares | Dissolved |
| SUNRISE MARINE SUPPLIER CO., LIMITED | Private company limited by shares | Live |
| BEST SUNNY LIMITED | Private company limited by shares | Dissolved |
| SUNBOW INDUSTRIAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Sunon Green Pack Limited | Private company limited by shares | Live |
| China Sure Win (HK) Energy Investment Holding Limited | Private company limited by shares | Dissolved |
| CHINA SU'S GROUP SHARES LIMITED | Private company limited by shares | Live |
| SUZHOU LIFENG INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| NINGBO SUNSONG ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| WORLD SUPERMARKER (HK) LIMITED | Private company limited by shares | Live |
| Ningbo Sunny IMP & EXP Company Limited | Private company limited by shares | Live |
| SUZHOU JINNIU CONDUIT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sunpex Technology Limited | Private company limited by shares | Live |
| Hercules-Line Supply Chain (Suzhou) Co., Limited | Private company limited by shares | Dissolved |
| SHANDONG SUNWAY AUTOMOBILE FITTINGS CO., LIMITED | Private company limited by shares | Live |
| SURE TOP DEVELOP LIMITED | Private company limited by shares | Live |
| Sunlife Investment Limited | Private company limited by shares | Live |
| VALUE SUCCESS LIMITED | Private company limited by shares | Live |
| VIC SUNSHINE LIMITED | Private company limited by shares | Dissolved |
| SUZHOU FORST FILTER CO., LIMITED | Private company limited by shares | Live |
| SUMWAY INTERNATIONAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| NEW SURPRISE TRADING (HK) LIMITED | Private company limited by shares | Live |
| SURPLUS SECRETARIES LIMITED | Private company limited by shares | Live |
| SUNPLUS FOODS LIMITED | Private company limited by shares | Dissolved |
| SUMMUS GROUP LIMITED | Private company limited by shares | Live |
| SHING KUM CONSTRUCTION & ENGINEERING SUPPLIES LIMITED | Private company limited by shares | Live |
| ORIENT SUNDA LIMITED | Private company limited by shares | Live |
| GIN SUSHI LIMITED | Private company limited by shares | Live |
| SURE HORIZON INC. LIMITED | Private company limited by shares | Dissolved |
| SUBTRANSFER TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SUNING INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |