| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BUSINESS LINK THAMES VALLEY LIMITED | 02926978 | 19/04/2001 | Dissolved |
| Centec Centrifuge Techniques Ltd | 01089512 | 02/11/1992 | Dissolved |
| LATTITUDE GLOBAL VOLUNTEERING | 01289296 | 28/02/2011 | Insolvent |
| LATTITUDE GLOBAL VOLUNTEERING (ENTERPRISES) LIMITED | 04171540 | 29/09/2014 | Dissolved |
| OPUS ONE ENERGY ACQUISITION LIMITED | 07790177 | 28/09/2011 | Dissolved |
| PEPPARD COMMON UNIVERSAL LIMITED | 07988401 | 13/03/2012 | Dissolved |
| PEPPARD COMMON UTILITIES LIMITED | 07484392 | 06/01/2011 | Dissolved |
| Thames Valley Enterprise Ltd | 02486082 | 22/09/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Bnes Ltd. | 03333868 | 07/07/1997 | 01/05/2007 | Dissolved |
| ENRICHMENT TECHNOLOGY COMPANY LIMITED | 04651476 | 29/01/2003 | 03/07/2006 | Silver |
| ENRICHMENT TECHNOLOGY UK LIMITED | 04651475 | 29/01/2003 | 01/05/2010 | Amber |
| URENCO ENRICHMENT COMPANY LIMITED | 04696557 | 02/12/2003 | 16/12/2004 | Gold |
| URENCO LIMITED | 01022786 | 28/05/1993 | 16/12/2004 | Silver |
| URENCO NUCLEAR STEWARDSHIP LIMITED | 04113197 | 26/06/2002 | 29/11/2004 | Amber |
| URENCO UK LIMITED | 01144899 | 07/09/1993 | 16/12/2004 | Silver |
| Urenco (Investments U S) Ltd | 02357664 | 13/02/2003 | 16/12/2004 | Dissolved |