| UPGLOW LIMITED | Private company limited by shares | Dissolved |
| UPGO LIMITED | Private company limited by shares | Dissolved |
| UPGO INVESTMENT LIMITED | Private company limited by shares | Live |
| UPGOCP LIMITED | Private company limited by shares | Live |
| HONGKONG UPGOING INDUSTRY LIMITED | Private company limited by shares | Live |
| Upgoing Star Limited | Private company limited by shares | Live |
| UPGOOD LIMITED | Private company limited by shares | Live |
| UPGOOD ENTERPRISES LIMITED | Private company limited by shares | Live |
| UP-GRACE LIMITED | Private company limited by shares | Live |
| GO UPGRADE LIMITED | Private company limited by shares | Live |
| UPGRADE COMPANY LIMITED | Private company limited by shares | Live |
| UPGRADE ART LIMITED | Private company limited by shares | Live |
| WIN UPGRADE LIMITED | Private company limited by shares | Live |
| UPGRADE BEST BUY CO. LIMITED | Private company limited by shares | Dissolved |
| BEST UPGRADE LIMITED | Private company limited by shares | Live |
| Upgrade Biopolymers Limited | | Live |
| Upgrade Capital Limited | Private company limited by shares | Live |
| Care Upgrade Company Limited | | Live |
| UPGRADE CLEANING SERVICE LIMITED | Private company limited by shares | Live |
| Shanghai Home Upgrade Network Technology Co., Limited | Private company limited by shares | Live |
| HONGKONG JZ POWER AUTOMOTIVE UPGRADE SERVICE CO., LIMITED | Private company limited by shares | Live |
| UPGRADE COLLECTION LIMITED | Private company limited by shares | Dissolved |
| UPGRADE DESIGN LIMITED | Private company limited by shares | Live |
| UPGRADE EDUCATION CENTRE LIMITED | Private company limited by shares | Live |
| UPGRADE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| EXECUTIVE UPGRADE LIMITED | Private company limited by shares | Dissolved |
| FULL UPGRADE LIMITED | Private company limited by shares | Live |
| GOLD UPGRADE LIMITED | Private company limited by shares | Live |
| Hong Kong Power Train Upgrade Limited | Private company limited by shares | Live |
| UPGRADE INVESTMENT LIMITED | Private company limited by shares | Live |
| KOREA UPGRADE (HK) INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| UPGRADE MACHINERY LIMITED | Private company limited by shares | Dissolved |
| UPGRADE MANUFACTORY COMPANY LIMITED | Private company limited by shares | Live |
| UPGRADE NATION LIMITED | Private company limited by shares | Dissolved |
| UPGRADE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UPGRADE SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UPGRADE SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| Upgrade Technology Limited | | Live |
| TOTAL UPGRADE LIMITED | Private company limited by shares | Live |
| NEXT UPGRADES HK LIMITED | Private company limited by shares | Live |
| UPGRADING LIMITED | | Live |
| China Manufacturing Transformation & Upgrading Co., Limited | | Live |
| UPGRAND DEVELOPMENT LIMITED | Private company limited by shares | Live |
| UPGRAND INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Upgrayed Limited | Private company limited by shares | Live |
| UPGREEN CO. LIMITED | Private company limited by shares | Live |
| UPGROW HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| UPGROWN COMPANY LIMITED | Private company limited by shares | Dissolved |
| UPGROWTH COMPANY LIMITED | Private company limited by shares | Live |
| UPGROWTH EVOLUTION LIMITED | Private company limited by shares | Live |
| UPGROWTH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Upgrowth Travel Agent Limited | Private company limited by shares | Live |
| UPGUSA Petroleum (H.K.) Company Limited | Private company limited by shares | Dissolved |
| UPHALL COMPANY LIMITED | Private company limited by shares | Live |
| UPHAM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UPHealth Company Limited | Private company limited by shares | Live |
| UPHEAVAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UPHIGH LIMITED | Private company limited by shares | Dissolved |
| UPHIGH CORPORATION LIMITED | Private company limited by shares | Live |
| UPHIGH FOUNTAIN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Uphill Capital Limited | Private company limited by shares | Live |
| Uphill Catering Limited | Private company limited by shares | Live |
| UPHILL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| UPHILL HOMETEXTILE (HK) LIMITED | Private company limited by shares | Dissolved |
| UP-HILL INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HK UPHILL INT'L GLASSES CITY GROUP LIMITED | Private company limited by shares | Live |
| UPHILL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Uphill Technology Company Limited | Private company limited by shares | Live |
| UPHK1 Co., Limited | Private company limited by shares | Live |
| UPHOLD LIMITED | Private company limited by shares | Dissolved |
| UPHOLDING INVESTIGATION LIMITED | Private company limited by shares | Live |
| UpHoldings Limited | Private company limited by shares | Live |
| USA SIMMONS UPHOLSTERED FURNITURE GROUP CO., LIMITED | | Live |
| ASIA UPHOLSTERY LIMITED | Private company limited by shares | Live |
| SWEDEN NORDIC U-SKY UPHOLSTERY FURNITURE CO., LIMITED | Private company limited by shares | Dissolved |
| New Look Upholstery Company Limited | Private company limited by shares | Live |
| Shijia Decoration Upholstery Design Engineering (HK) Limited | Private company limited by shares | Live |
| Uphonec Technology Limited | Private company limited by shares | Live |
| ART IT UP－HONG KONG LIMITED | Private company limited by shares | Live |
| UPHOST LIMITED | Private company limited by shares | Dissolved |
| UPHUE LIMITED | Private company limited by shares | Live |
| Upick Company Limited | Private company limited by shares | Live |
| UPICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UPIK LIMITED | Private company limited by shares | Dissolved |
| UPIN LIMITED | Private company limited by shares | Live |
| UPIN LIMITED | | Live |
| UpInfo Technology Co., LIMITED | Private company limited by shares | Live |
| UPING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UPINGTON LIMITED | Private company limited by shares | Dissolved |
| UPINK BAGS LIMITED | Private company limited by shares | Live |
| UPINK BAGS LIMITED | Private company limited by shares | Live |
| Upink Technology Co., Limited | Private company limited by shares | Live |
| UPINKJI LIMITED | Private company limited by shares | Live |
| U-pins Premiums & Gifts Co., Limited | Private company limited by shares | Live |
| UPINVEST LIMITED | Private company limited by shares | Live |
| UPI-SEMICONDUCTOR CORPORATION (HK) LIMITED | Private company limited by shares | Live |
| UPIX (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| UPJECTIVE DIGITAL LIMITED | Private company limited by shares | Live |
| UPJET LIMITED | Private company limited by shares | Live Ceased dormancy on 06-Feb-2015 |
| UPJET INVESTMENTS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |