| U.D. COMPANY LIMITED | | Live |
| U.D. (INT'L) ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| U.D. GROUP. LIMITED | Private company limited by shares | Live |
| UDAFOND INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UDAL INTERNATIONAL ARCHITECTURE DESIGN CORPORATION LIMITED | Private company limited by shares | Live |
| UDALL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UDAM TRADING CO., LIMITED | Private company limited by shares | Live |
| UDANAVARGA LIMITED | Private company limited by shares | Live |
| Udara Limited | | Live |
| U-DAT ELECTRONIC (HK) CO., LIMITED | Private company limited by shares | Live |
| U-Data technology company Limited | Private company limited by shares | Live |
| UDAY SRI LIMITED | Private company limited by shares | Dissolved |
| HONGKONG UDBU FASHION LIMITED | Private company limited by shares | Live |
| UDCON INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| Udda Hong Kong Limited | Private company limited by shares | Live |
| UDDEBO LIMITED | Private company limited by shares | Dissolved |
| Uddou Limited | Private company limited by shares | Live |
| Udea Technology Limited | Private company limited by shares | Live |
| U-DEAK PROPERTY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UDEALER LIMITED | Private company limited by shares | Live |
| Udeaplus Manufacturing Limited | Private company limited by shares | Live |
| UDE-CEO Production Company Limited | Private company limited by shares | Dissolved |
| U-DECO COMPANY LIMITED | Private company limited by shares | Live |
| UDEETECH COMPANY LIMITED | Private company limited by shares | Live |
| UDELLA LIMITED | Private company limited by shares | Live Commenced dormancy on 12-Dec-2008 |
| U-deluxe Limited | Private company limited by shares | Dissolved |
| U-DESIGN & COMPANY LIMITED | Private company limited by shares | Dissolved |
| UDESIGN NETWORK LIMITED | Private company limited by shares | Live |
| UDEVICE HK LIMITED | Private company limited by shares | Dissolved |
| U.D.I. LIMITED | Private company limited by shares | Dissolved |
| UDIAG Group Co., Limited | Private company limited by shares | Live |
| Udiamond Limited | Private company limited by shares | Live |
| UDIAN TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| UDICX LIMITED | Private company limited by shares | Live |
| UDIFLOW LIMITED | Private company limited by shares | Live |
| UDIGI LIMITED | Private company limited by shares | Live |
| UDI-HK Limited | Private company limited by shares | Live |
| UDIN LIGHTING CO LIMITED | Private company limited by shares | Live |
| UDINE LIMITED | Private company limited by shares | Dissolved |
| ITALIA UDINESE INTERNATIONAL ENTERPRISE GROUP LIMITED | Private company limited by shares | Live |
| GERMANY U-DING KITCHEN WARE CO., LIMITED | Private company limited by shares | Dissolved |
| UDIRC INTELLIGENT COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG UDIRC INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| UDIRC TOYS MANUFACTURER LIMITED | Private company limited by shares | Live |
| UDIRC TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Udith E-Commerce (Hong Kong) Co., Limited | Private company limited by shares | Live |
| UDLITE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Udlot LIMITED | Private company limited by shares | Live |
| UDMART LIMITED | Private company limited by shares | Live |
| UDNA GROUP LIMITED | Private company limited by shares | Live |
| Udog Petechnology Company Limited | Private company limited by shares | Live |
| Udohow Electronics Co., Limited | Private company limited by shares | Live |
| UDOLF TRADE LIMITED | Private company limited by shares | Live |
| UDOLLE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| UDomain Internet Company Limited | Private company limited by shares | Live |
| Udomarket Limited | Private company limited by shares | Live |
| Rai Zin Udon Ramen Yaki Food Shop Limited | Private company limited by shares | Live |
| GAWAKI UDON LIMITED | Private company limited by shares | Dissolved |
| TATEBAYASHI UDON (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| Little Udon Limited | | Live |
| UDON LOGISTICS LIMITED | Private company limited by shares | Dissolved |
| PURE UDON LIMITED | Private company limited by shares | Live |
| SANUKI UDON COMPANY LIMITED | | Live |
| SHIKOKU UDON COMPANY LIMITED | Private company limited by shares | Dissolved |
| Thai Udon Taste Limited | | Live |
| UDON WORKS LIMITED | Private company limited by shares | Live |
| UDPOWER TECHNOLOGY CO., LIMITED | | Live |
| UDREAM ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| U-DREAMER LIMITED | Private company limited by shares | Live |
| U-DREAMS INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| U-DRIVE COMPANY LIMITED | Private company limited by shares | Live |
| UDRIVE HOLDING (HK) LIMITED | Private company limited by shares | Live |
| U-DRIVE INTELLIGENT TECH CO., LIMITED | Private company limited by shares | Live |
| UDRIVE MOTORING COMPANY LIMITED | Private company limited by shares | Live |
| UDRIVE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| UDRIVE TRADING CO., LIMITED | Private company limited by shares | Live |
| uDroppy Limited | Private company limited by shares | Live |
| U.D.S Group Limited | Private company limited by shares | Live |
| U.D.S. TRANSPORT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UDStore Solution Limited | Private company limited by shares | Live |
| UDTEK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| UDTS Limited | | Live |
| UDuck Health Limited | | Live |
| Hangzhou Udwells Technology Co., Limited | | Live |
| U-DZINE COMPANY LIMITED | Private company limited by shares | Dissolved |