| ITALY UNITED INTERNATIONAL DOORS AND WINDOWS MATCHING SYSTEM LIMITED | Private company limited by shares | Live |
| UNITED JERSEY LIMITED | Private company limited by shares | Live |
| JESSEN UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED JETWAY LIMITED | Private company limited by shares | Live |
| Jetway United Company Limited | Private company limited by shares | Live |
| JEWELLERY UNITED NATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED JEWELRY LIMITED | Private company limited by shares | Dissolved |
| UNITED A & S JEWELRY CO. LIMITED | Private company limited by shares | Live |
| UNITED JEWELRY COMPANY LIMITED | | Live |
| UNITED JEWELRY MANUFACTURER LIMITED | Private company limited by shares | Dissolved |
| HK Jinyi United Holding Limited | Private company limited by shares | Live |
| JOIN UNITED LIMITED | Private company limited by shares | Dissolved |
| JOIN UNITED LIMITED | Private company limited by shares | Live |
| JOIN UNITED LIMITED | Private company limited by shares | Live |
| UNITED JOIN LIMITED | Private company limited by shares | Live |
| UNITED JOYFUL LIMITED | Private company limited by shares | Live |
| HUA JUNE UNITED INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| KASUN UNITED COMPANY LIMITED | Private company limited by shares | Live |
| KAYVEE UNITED LIMITED | Private company limited by shares | Live |
| KEEP UNITED LIMITED | Private company limited by shares | Dissolved |
| KENNEDY UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED KENT LIMITED | Private company limited by shares | Dissolved |
| UNITED KENT LIMITED | Private company limited by shares | Live |
| UNITED KESVICK LIMITED | Private company limited by shares | Live |
| UNITED KIDS LIMITED | Private company limited by shares | Live |
| UNITED KIDS-GENETECH CENTER LIMITED | Private company limited by shares | Live |
| KINGWAY UNITED LIMITED | Private company limited by shares | Dissolved |
| United Kitchenware Company Limited | Private company limited by shares | Live |
| UNITED KNITTING MFG. (CAMBODIA) CO. LIMITED -THE- | Private company limited by shares | Dissolved |
| UNITED KNITTING FACTORY LIMITED | Private company limited by shares | Dissolved |
| UNITED GLORY KNITTING LIMITED | Private company limited by shares | Dissolved |
| H. K. & KOWLOON KNITTING PROCESSING INDUSTRY UNITED ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| Koners United Limited | Private company limited by shares | Live |
| KONG MEI UNITED COMPANY LIMITED | Private company limited by shares | Dissolved |
| United Korea DBT Limited | Company limited by guarantee | Live |
| KWAI CHING UNITED GREEN PUBLIC LIGHT BUS COMPANY LIMITED | Private company limited by shares | Live |
| K-WISE UNITED COMPANY LIMITED | Private company limited by shares | Live |
| UNITED INVESTMENT RECONSTRUCTION (KWU TUNG VILLAGE) LIMITED | Private company limited by shares | Live |
| UNITED LABEL HK LIMITED | Private company limited by shares | Live |
| UNITED LABEL-TRADE LIMITED -THE- | Private company limited by shares | Live |
| UNITED LABORATORIES, LIMITED -THE- | Private company limited by shares | Live |
| Lady Americana (United) Company Limited | Private company limited by shares | Live |
| LADY ROUGE UNITED LIMITED | Private company limited by shares | Live |
| LaiChi United Limited | Private company limited by shares | Live |
| United Lake Investment Holding Limited | Private company limited by shares | Live |
| UNITED LAND LIMITED | Private company limited by shares | Dissolved |
| UNITED LAND LIMITED | Private company limited by shares | Live |
| UNITED LAND LIMITED | Private company limited by shares | Live |
| UNITED LANTAU BUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED LAUNDRIES LIMITED | Private company limited by shares | Dissolved |
| NEW UNITED LAUNDRY LIMITED | Private company limited by shares | Live |
| United Laundry Limited | | Live |
| UNITED LEADER LIMITED | Private company limited by shares | Dissolved |
| UNITED LEADER LIMITED | Private company limited by shares | Dissolved |
| LEADER UNITED LIMITED | Private company limited by shares | Live |
| UNITED LEADER LIMITED | Private company limited by shares | Dissolved |
| UNITED LEADER LIMITED | Private company limited by shares | Live |
| UNITED LEADER INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED LEADER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED LEADER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED LEADERS LIMITED | Private company limited by shares | Dissolved |
| United Council the world peace sinology medicine economy and environmental protection Tourism Leaders Limited | Private company limited by shares | Live |
| Tai United Leasing Company Limited | Private company limited by shares | Live |
| UNITED LEATHERS, LIMITED | Private company limited by shares | Dissolved |
| UNITED LEATHERS LIMITED | Private company limited by shares | Dissolved |
| LEEMIN UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED LEGEND LIMITED | Private company limited by shares | Dissolved |
| LEGEND UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED LEGEND CO. LIMITED | Private company limited by shares | Dissolved |
| UNITED LEGEND LIMITED | Private company limited by shares | Dissolved |
| UNITED LEGEND LIMITED | Private company limited by shares | Live |
| United Lend Limited | Private company limited by shares | Live |
| LEON UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED DO LESUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| LEXINGTON UNITED LIMITED | Private company limited by shares | Live |
| LIEN UNITED A-P LIMITED | Private company limited by shares | Live |
| United Lifestyle Company Limited | Private company limited by shares | Live |
| UNITED LIFTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED LIGHTING LIMITED | Private company limited by shares | Live |
| UNITED LIGHTING ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Like-minded United Limited | | Live |
| UNITED LILY COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED ORIENT LINES LIMITED | Private company limited by shares | Dissolved |
| UNITED SHIPPING LINES LIMITED | Private company limited by shares | Live |
| UNITED LINGUS COMPANY LIMITED | Private company limited by shares | Live |
| UNITED LINK LIMITED | Private company limited by shares | Dissolved |
| LINK UNITED LIMITED | Private company limited by shares | Live |
| UNITED LINK LIMITED | Private company limited by shares | Dissolved |
| UNITED LINK LIMITED | Private company limited by shares | Live |
| UNITED LINK CPA LIMITED | Private company limited by shares | Live |
| UNITED LINK ASIA LIMITED | Private company limited by shares | Dissolved |
| BEST LINK UNITED LIMITED | Private company limited by shares | Live |
| UNITED LINK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| UNITED LINK HOLDING LIMITED | Private company limited by shares | Dissolved |
| UNITED LINK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED LINK INVESTMENTS LIMITED | Private company limited by shares | Live |
| LUCKY LINK UNITED HK LIMITED | Private company limited by shares | Live |
| UNITED LINKAGE LIMITED | Private company limited by shares | Live |
| UNITED LINKER LIMITED | Private company limited by shares | Live |
| UNITED LINKER INVESTMENT LIMITED | Private company limited by shares | Live |