| Ultimate Success Limited | Private company limited by shares | Live |
| ULTIMATE SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| ULTIMATE SYSTEMS LIMITED | Private company limited by shares | Live Commenced dormancy on 29-Oct-1994 |
| Ultimate Team Limited | Private company limited by shares | Live |
| ULTIMATE TRADE HK LIMITED | Private company limited by shares | Live |
| ULTIMATE TUNING LIMITED | Private company limited by shares | Live |
| ULTIMATE VALUE LIMITED | Private company limited by shares | Live |
| ULTIMATE VICTORY LIMITED | Private company limited by shares | Live |
| ULTIMATE VISION LIMITED | Private company limited by shares | Dissolved |
| ULTIMATE WEALTH LIMITED | Private company limited by shares | Live |
| ULTIMATECPA LIMITED | Private company limited by shares | Dissolved |
| Ultimate-exp Trading Limited | | Live |
| ULTIMATE-LINK LIMITED | Private company limited by shares | Dissolved |
| ULTIMATEPAY LIMITED | Private company limited by shares | Live |
| ULTIMATER LIMITED | Private company limited by shares | Dissolved |
| ULTIMATIVE ENERGIE DEUTSCHLAND LIMITED | | Live |
| ULTIMATUM LIMITED | Private company limited by shares | Dissolved |
| ULTIMAX LIMITED | Private company limited by shares | Dissolved |
| ULTIMAX LIMITED | Private company limited by shares | Dissolved |
| ULTIMAX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ULTIMAX PLASTIC PRODUCTS LIMITED | Private company limited by shares | Live |
| ULTIMAX Technology Limited | Private company limited by shares | Live |