| U-PO International Limited | Private company limited by shares | Live |
| UpOcean (ASIA) Company Limited | | Live |
| UPOD LIMITED | Private company limited by shares | Live |
| U-POINT LIMITED | Private company limited by shares | Dissolved |
| U-POINT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| U-POINT INVESTMENT LIMITED | Private company limited by shares | Live |
| uPoint Workspaces Limited | Private company limited by shares | Live |
| UPOLabs Innovation Limited | Private company limited by shares | Dissolved |
| U-POLEMAG INDUSTRY LIMITED | Private company limited by shares | Live |
| UPOLEY ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| UPON LIMITED | Private company limited by shares | Live |
| MAX UPON LIMITED | Private company limited by shares | Live |
| Upon Sky Limited | Private company limited by shares | Live |
| SPEED UPON LIMITED | Private company limited by shares | Live |
| STAR UPON LIMITED | Private company limited by shares | Dissolved |
| UPONCOMM TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| Upone Limited | | Live |
| HONGKONG UP-ONE INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| Uponor Hong Kong Limited | Private company limited by shares | Live |
| UPONTIME ENTERPRISES LIMITED | Private company limited by shares | Live |
| UPONTYNE COMPANY LIMITED | Private company limited by shares | Live |
| UPONWAY GLOBAL LIMITED | | Live |
| upoon industrial Co., Limited | Private company limited by shares | Live |
| U-POPULAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| UPORT LIMITED | Private company limited by shares | Dissolved |
| UPORTS LIMITED | Private company limited by shares | Dissolved |
| UPOS LIMITED | Private company limited by shares | Live |
| HK UPOS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| uPost2 Limited | Private company limited by shares | Live |
| Upower Limited | Private company limited by shares | Live |
| UPOWER LIMITED | Private company limited by shares | Live |
| Upower.com.hk Company Limited | Private company limited by shares | Live |