| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Portavadie Holdings Ltd | SC299489 | 23/03/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| KNDS UK HOLDINGS LIMITED | 05801100 | 19/01/2007 | 22/05/2012 | Gold |
| KNOWLEDGE TRANSFER NETWORK LIMITED | 08705643 | 01/02/2014 | 31/03/2016 | Bronze |
| LAIRD HOLDINGS LIMITED | SC006373 | 04/04/2014 | 05/09/2016 | Silver |
| LAIRD LIMITED | 00055513 | 13/08/2012 | 05/09/2016 | Silver |
| LAIRD OVERSEAS HOLDINGS LIMITED | 06135076 | 04/04/2014 | 05/09/2016 | Gold |
| NCIPHER CORPORATION LIMITED | 03169278 | 01/04/2010 | 01/06/2011 | Dissolved |
| QUINTEC ASSOCIATES LIMITED | 02375963 | 01/04/2010 | 01/09/2011 | Dissolved |
| THALES ATM LIMITED | 03229755 | 01/04/2010 | 01/09/2011 | Not Trading |
| THALES E-SECURITY LIMITED | 02518805 | 01/04/2010 | 01/09/2011 | Not Trading |
| THALES INFORMATION SYSTEMS LIMITED | 02937836 | 01/04/2010 | 01/09/2011 | Strike Off |
| THALES OPTRONICS (BURY ST. EDMUNDS) LIMITED | 01127352 | 10/10/2007 | 01/04/2010 | Dissolved |
| THALES OPTRONICS (STAINES) LIMITED | SC154357 | 10/10/2007 | 01/04/2010 | Dissolved |
| THALES OPTRONICS LIMITED | SC008495 | 10/10/2007 | 01/04/2010 | Strike Off |
| THALES READING 1 LTD | 04081720 | 01/04/2010 | 01/06/2011 | Not Trading |
| THALES TRANSPORT AND SECURITY LIMITED | 03132438 | 01/04/2010 | 01/09/2011 | Amber |
| THALES UK LIMITED | 00868273 | 01/04/2010 | 01/09/2011 | Bronze |
| WARTH INTERNATIONAL HOLDINGS LIMITED | 03341340 | 04/04/2014 | 04/04/2014 | Dissolved |