| UNITED DAIRIES LIMITED | Private company limited by shares | Dissolved |
| UNITED DASSIE LIMITED | Private company limited by shares | Dissolved |
| UNITED DATA COMPANY LIMITED | Private company limited by shares | Dissolved |
| DATA UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED DATA LIMITED | Private company limited by shares | Live |
| HK DAYANG UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DEAKEN UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED DEALERS, LIMITED | Private company limited by shares | Dissolved |
| UNITED GOLD DEALERS LIMITED | Private company limited by shares | Live |
| DELTA UNITED LIMITED | Private company limited by shares | Live |
| DENVER UNITED LIMITED | Private company limited by shares | Live |
| United Depot Limited | Private company limited by shares | Live |
| UNITED DESIGN LIMITED | Private company limited by shares | Dissolved |
| DESIGN UNITED LIMITED | Private company limited by shares | Dissolved |
| VSO UNITED DESIGN LIMITED | Private company limited by shares | Live |
| UNITED CURTAINWALL DESIGN AND MANUFACTURING LIMITED | Private company limited by shares | Live |
| UNITED POWER DESIGN LIMITED | Private company limited by shares | Dissolved |
| UNITED DEVELOP LIMITED | Private company limited by shares | Dissolved |
| UNITED DEVELOP LIMITED | Private company limited by shares | Live |
| UNITED DEVELOP ASIA LIMITED | Private company limited by shares | Live |
| UNITED ASIA DEVELOP LIMITED | Private company limited by shares | Live |
| UNITED NATIONS TECHNICS DEVELOP LIMITED | Private company limited by shares | Dissolved |
| CHINA ZJJG UNITED DEVELOP ACCELERATE ASSOCIATION GROUP LIMITED | Private company limited by shares | Dissolved |
| ALL UNITED DEVELOPMENTS LIMITED | Private company limited by shares | Live |
| BUSINESS UNITED DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED DECADE DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED TRADE DEVELOPMENTS, LIMITED | Private company limited by shares | Dissolved |
| Digital United Limited | | Live |
| United Display Limited | | Live |
| Donvale United Limited | Private company limited by shares | Live |
| UNITED AIM DOORS LIMITED | Private company limited by shares | Dissolved |
| UNITED DRAGON COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 08-Dec-2014 |
| DRAGON UNITED LIMITED | Private company limited by shares | Live |
| UNITED DRAGON INC LIMITED | Private company limited by shares | Live |
| Fly Dragon United Company Limited | Private company limited by shares | Live |
| UNITED DRAGON LIMITED | | Live |
| DRAGONS UNITED LIMITED | Private company limited by shares | Live |
| DREAM UNITED ASSOCIATION LIMITED | Company limited by guarantee | Live |
| UNITED DYNAMIC LIMITED | Private company limited by shares | Live |
| UNITED DYNAMIC SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNITED DYNASTY LIMITED | Private company limited by shares | Live |
| UNITED DYNASTY LIMITED | Private company limited by shares | Live |
| DYNASTY UNITED LIMITED | Private company limited by shares | Live |
| UNITED DYNASTY LIMITED | | Live |
| E.A. UNITED ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| E.A. UNITED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED EASTERN LIMITED | Private company limited by shares | Dissolved |
| EASTERN UNITED LIMITED | Private company limited by shares | Live |
| UNITED EASTERN LIMITED | Private company limited by shares | Live |
| UNITED EASTWAY LIMITED | Private company limited by shares | Live |
| UNITED EASY LIMITED | Private company limited by shares | Live |
| UNITED EASY LIMITED | Private company limited by shares | Live |
| UNITED eCOMMERCE LIMITED | Private company limited by shares | Live |
| New United Ecommerce Limited | | Live |
| United African Economic Association Limited | Private company limited by shares | Live |
| CHINA ARABIAN GALLON CAPITAL UNITED E.C.S.INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| UNITED EDUCATION LIMITED | Private company limited by shares | Dissolved |
| United Education Limited | Private company limited by shares | Live |
| United Education USA Limited | Private company limited by shares | Live |
| UNITED EDUCATION ASIA LIMITED | Private company limited by shares | Live |
| UNITED EDUCATION CONSULTANCY CO. LIMITED | Private company limited by shares | Live |
| UNITED ENGLISH EDUCATION LIMITED | Private company limited by shares | Live |
| UNITED TASK IN MOVEMENT EDUCATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED EDUTAINMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED EFFORT LIMITED | Private company limited by shares | Dissolved |
| UNITED EFFORT LIMITED | Private company limited by shares | Live |
| EIGHT UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED ELASTOMER LIMITED | Private company limited by shares | Dissolved |
| UNITED ELECTECH LIMITED | Private company limited by shares | Live |
| UNITED ELECTRIC HK LIMITED | Private company limited by shares | Live |
| UNITED ELECTRICAL COMPANY LIMITED | Private company limited by shares | Live |
| UNITED CONCERN ELECTRIX LIMITED | Private company limited by shares | Dissolved |
| UNITED ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| United Electronic Limited | Private company limited by shares | Live |
| UNITED ELECTRONIC COMPONENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED ELECTRIC AND ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED ELECTRONIC WELDING FACTORY LIMITED | Private company limited by shares | Live |
| UNITED PACIFIC ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| UNITED ELEGANCE LIMITED | Private company limited by shares | Live |
| UNITED ELEMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED ELITE LIMITED | Private company limited by shares | Live |
| ELITE UNITED LIMITED | Private company limited by shares | Live |
| UNITED ELITE INC LIMITED | Private company limited by shares | Live |
| UNITED ELITE INC LIMITED | Private company limited by shares | Live |
| Elite United Venture Holding Limited | Private company limited by shares | Live |
| EMERALD UNITED OIL COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED NATIONS ASIA EMERGENCY RELIEF SUPPLIES LIMITED | Private company limited by shares | Live |
| UNITED NATIONS EMERGENCY RELIEF MATERIAL CIRCULATION COMPANY LIMITED | Private company limited by shares | Live |
| UNITED EMPEROR LIMITED | Private company limited by shares | Dissolved |
| UNITED ENAMEL WORKS, LIMITED -THE- | Private company limited by shares | Dissolved |
| UNITED ENAMELWARE COMPANY LIMITED | Private company limited by shares | Live |
| UNITED ENGINEERS LIMITED | Private company limited by shares | Dissolved |
| UNITED ENGINEERS LIMITED | Private company limited by shares | Live |
| NEW UNITED ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNITED WAY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNITED MAX ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| UNITED ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED SUN ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNITED JOY ENTERPRISE LIMITED | Private company limited by shares | Live |
| UNITED ENTERPRISE LIMITED | Private company limited by shares | Dissolved |