| Company | Timeline | Status | |
| Ultra-Centrifuge Nederland Limited Secretary • Unreported | 12 Aug 1993←15 Years→1 Jun 2009 | Dissolved | |
| Uranit UK Limited Secretary • Unreported | 12 Aug 1993←15 Years→1 Jun 2009 | Active | |
| Urenco Limited Secretary • Unreported | 5 Jul 1992←4 Years→25 Mar 1997 | Active | |
