| UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED SUN INVESTMENT LIMITED | Private company limited by shares | Live |
| WAH YAN UNITED INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED WIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED WAY INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED AIM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PRC UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED TOP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SKY UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| JET UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| 3G UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED WIN INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED ARM INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED TOP INVESTMENT LIMITED | Private company limited by shares | Live |
| JET UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| IGW United Investment Limited | Private company limited by shares | Dissolved |
| UNITED MAX INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED MEJ INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED JOY INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED GP INVESTMENT LIMITED | Private company limited by shares | Live |
| SEA UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| KK United Investment Limited | | Live |
| AMPLE UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED ASIA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ASIA UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NEW UNITED (ASIA) INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| ASIA UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| HK Asia United Investment Limited | Private company limited by shares | Live |
| UNITED TOP ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED BEST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED BEST INVESTMENT LIMITED | Private company limited by shares | Live |
| BEST UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED BOND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED BOND INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED BRAVERY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED BUSINESS INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED CAPITAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED WAY CAPITAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED SKY CAPITAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED CAPITAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED WAY CAPITAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED CAPITAL INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED CARNIVAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED CENTURY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED CENTURY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED CENTURY INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED CHINESE INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Chinese United Investment Limited | Private company limited by shares | Live |
| UNITED CHINESE INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| JV United Investment Consultancy Company Limited | Private company limited by shares | Live |
| CYBER UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DELTA UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| DRAGON UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| United Dynasty Investment Limited | Private company limited by shares | Live |
| UNITED INVESTMENT & FINANCE LIMITED | Private company limited by shares | Dissolved |
| UNITED FIRST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED FIRST INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED GAINER INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED GLORY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GLORY UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED GLORY INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED GOLD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GOLD UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED GOLD INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED GRAND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GRAND UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GRAND UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| United Grand Investment Limited | Private company limited by shares | Live |
| UNITED GULF INVESTMENT LIMITED | Private company limited by shares | Live |
| HAPPY UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED HAPPY INVESTMENT LIMITED | Private company limited by shares | Live |
| United Investment Holding Company Limited | Private company limited by shares | Live |
| i united investment holding Limited | Private company limited by shares | Live |
| UNITED HONEST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED HONEST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Icon United Investment Pte Limited | Private company limited by shares | Live |
| United Innovative & Investment Limited | Private company limited by shares | Live |
| United Korea Investment Limited | Private company limited by shares | Live |
| UNITED LAND INVESTMENT COMPANY, LIMITED -THE- | Private company limited by shares | Dissolved |
| LONG UNITED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED LUCK INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED MARK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED METRO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED MILLION INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MING UNITED INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED MORE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| United Nile Investment Company Limited | Private company limited by shares | Live |
| UNITED OCEAN INVESTMENT LIMITED | Private company limited by shares | Live |
| U P I UNITED PACIFIC INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED PACIFIC INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED PACIFIC INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED POINT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED POWER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED POWER INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED PROSPEROUS INVESTMENT LIMITED | Private company limited by shares | Live |
| UNITED RANK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| United Renewable Investment Limited | | Live |
| UNITED RICH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| UNITED RICH INVESTMENT LIMITED | Private company limited by shares | Dissolved |