| United Paragon Limited | Private company limited by shares | Live |
| United Paragon Limited | | Live |
| UNITED PARK LIMITED | Private company limited by shares | Dissolved |
| UNITED PARK LIMITED | Private company limited by shares | Dissolved |
| UNITED PARTS LIMITED | Private company limited by shares | Dissolved |
| UNITED PARTS COMPANY LIMITED | Private company limited by shares | Live |
| UNITED PARTS SUPPLY LIMITED | Private company limited by shares | Live |
| UNITED PAYMENT SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| UNITED PEACE LIMITED | Private company limited by shares | Live |
| UNITED PEACE LIMITED | Private company limited by shares | Live |
| UNITED PEAK LIMITED | Private company limited by shares | Live |
| UNITED PEAK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| UNITED PENTAGON COMPANY LIMITED | Private company limited by shares | Dissolved |
| United People Limited | Private company limited by shares | Live |
| CSL UNITED PERSONALCOM LIMITED | Private company limited by shares | Dissolved |
| UNITED PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| CHINA UNITED PETROLEUM CHEMICALS INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| UNITED PETROLEUM HOLDING LIMITED | Private company limited by shares | Dissolved |
| PHAB United Network Limited | | Live |
| UNITED ARTIST PHOTOGRAPHIC ASSOCIATION LIMITED | Company limited by guarantee | Live |
| UNITED PHOTO-VIDEO LIMITED | Private company limited by shares | Live |
| PICK UNITED LIMITED | Private company limited by shares | Live |
| UNITED PINE LIMITED | Private company limited by shares | Dissolved |
| UNITED PINE LIMITED | Private company limited by shares | Live |
| PING AN UNITED RESOURCES LIMITED | Private company limited by shares | Live |
| UNITED PLAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED PLAN LIMITED | Private company limited by shares | Dissolved |
| UNITED PLAN LIMITED | Private company limited by shares | Live |
| UNITED PLANNER LIMITED | Private company limited by shares | Dissolved |
| UNITED PLAZA LIMITED | Private company limited by shares | Live |
| TOP UNITED P.L.B. LIMITED | Private company limited by shares | Live |
| PLENTY UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED PLUS LIMITED | Private company limited by shares | Dissolved |
| UNITED PLUS LIMITED | Private company limited by shares | Dissolved |
| UNITED PLUS LIMITED | Private company limited by shares | Live Commenced dormancy on 20-Dec-2011 |
| PLUS UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED PLUS LIMITED | Private company limited by shares | Live |
| UNITED PLUS ASIA LIMITED | Private company limited by shares | Dissolved |
| UNITED PLYWOOD MFG. LIMITED | Private company limited by shares | Dissolved |
| UNITED POINT LIMITED | Private company limited by shares | Dissolved |
| UNITED POINT LIMITED | Private company limited by shares | Live |
| UNITED POINT LIMITED | | Live |
| POLY UNITED LIMITED | Private company limited by shares | Dissolved |
| POLY UNITED LIMITED | Private company limited by shares | Live |
| UNITED POLY-PACK COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 12-Dec-2006 |
| UNITED PORT LIMITED | Private company limited by shares | Dissolved |
| UNITED PORT INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED PORT PROPERTIES LIMITED | Private company limited by shares | Live |
| UNITED PORT SHIPPING LIMITED | Private company limited by shares | Dissolved |
| UNITED POST-PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| POWER UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED POWER LIMITED | Private company limited by shares | Dissolved |
| UNITED POWER LIMITED | Private company limited by shares | Live |
| United Eco Power Limited | Private company limited by shares | Live |
| UNITED POWER HK CPA LIMITED | Private company limited by shares | Live |
| POWER UNITED LIMITED | Private company limited by shares | Live |
| POWER CONSULT UNITED LIMITED | Private company limited by shares | Live |
| UNITED POWER ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED GRAND POWER LIMITED | Private company limited by shares | Live |
| UNITED POWER RESTAURANT LIMITED | Private company limited by shares | Live |
| United Power Space Limited | | Live |
| UNITED WIND POWER LIMITED | Private company limited by shares | Live |
| POWERCHAIN UNITED LIMITED | Private company limited by shares | Live |
| POWERFUL UNITED LIMITED | Private company limited by shares | Live |
| UNITED POWERFUL LIMITED | Private company limited by shares | Live |
| HK UNITED POWERFUL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED POWERS COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| UNITED POWER-TECH LIMITED | Private company limited by shares | Live |
| Shenzhen United Power-Tech Limited | Private company limited by shares | Live |
| United Sunrise Precision Holding Limited | Private company limited by shares | Live |
| UNITED PREMIER LIMITED | Private company limited by shares | Live |
| UNITED PRESTIGE LIMITED | Private company limited by shares | Live |
| UNITED PRESTIGE INC LIMITED | Private company limited by shares | Live |
| PRETTY UNITED LIMITED | Private company limited by shares | Dissolved |
| UNITED WRINKLE FREE PROCESSING LIMITED | Private company limited by shares | Live |
| UNITED PRODUCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED WAY PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| ART UNITED PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| United Productions Limited | Private company limited by shares | Live |
| UNITED FILM PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| GRACE UNITED PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| UNITED PRODUCTS, LIMITED | Private company limited by shares | Dissolved |
| UNITED P. V. C. PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| UNITED MAX PRODUCTS LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Aug-2014 |
| United Products Limited | Private company limited by shares | Live |
| UNITED PRODUCTS ENTERPRISE LIMITED | Private company limited by shares | Live |
| United Forest Products Limited | | Live |
| UNITED INTERNET PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| UNITED MERIT PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED ORIENT PRODUCTS LIMITED | Private company limited by shares | Live |
| UNITED POLYTHENE PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| GRAND UNITED PRECISION PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED SUCCESS PRODUCTS LIMITED | Private company limited by shares | Live |
| UNITED PROFESSION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GLORY UNITED PROFITS LIMITED | Private company limited by shares | Live |
| UNITED WAY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNITED PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNITED PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNITED WAY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| UNITED TOP PROPERTIES LIMITED | Private company limited by shares | Live |