| UCHA Consultants Limited | Private company limited by shares | Live |
| uChallenge Hong Kong Limited | Private company limited by shares | Dissolved |
| U-CHAMP TECHNOLOGY GROUP LIMITED | | Live |
| U-CHAMP TECHNOLOGY GROUP LIMITED | | Live |
| U-CHANCE LIMITED | Private company limited by shares | Live |
| Uchange Company Limited | Private company limited by shares | Live |
| UCHARGE LIMITED | Private company limited by shares | Live |
| UCHARM INVESTMENTS LIMITED | Private company limited by shares | Live |
| U-Charm Manpower Limited | | Live |
| U-charm Times Limited | Private company limited by shares | Live |
| Uchat Limited | Private company limited by shares | Live |
| UCHATWORLD LIMITED | Private company limited by shares | Live |
| Uchee Company Limited | Private company limited by shares | Live |
| UCHEE GROUP LIMITED | Private company limited by shares | Live |
| UCHEM CHINA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Uchemelot Limited | | Live |
| U-CHEMO HOLDING CO., LIMITED | Private company limited by shares | Live |
| HongKong U-Chen Investment Group Limited | Private company limited by shares | Dissolved |
| Uchi International Co., Limited | Private company limited by shares | Live |
| Uchi Design Limited | Private company limited by shares | Live |
| UCHI INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| RICH UCHI LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Uchic Co., Limited | Private company limited by shares | Live |
| UCHINERY TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UCHINO HONG KONG COMPANY LIMITED | | Live |
| U-CHIP LIMITED | Private company limited by shares | Dissolved |
| UChip Technology Limited | Private company limited by shares | Live |
| U-Chips Electronics Asia Limited | | Live |
| U-chips (HK) Co., Limited | Private company limited by shares | Live |
| Uchiwu Digital Technology Center Limited | | Live |
| UCHK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UCHNNG INDUSTRIAL AND TRADING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| U-Choice Limited | Private company limited by shares | Dissolved |
| U-Choice Education Limited | Private company limited by shares | Dissolved |
| UCHOICE ENTERPRISE LIMITED | Private company limited by shares | Live |
| GUANGZHOU U-CHOICE TRADING LIMITED | Private company limited by shares | Live |
| U-CHOICE PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| UCHOICE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| UCHOICE(HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| Uchon Limited | | Live |
| Dongguan U-Choose Industrial Tech Co., Limited | Private company limited by shares | Live |
| Uchu Company Limited | | Live |
| UCHUANG Artificial Intelligence Limited | Private company limited by shares | Live |
| U-CHUNG REALTY LIMITED | Private company limited by shares | Dissolved |