| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Oldbury (Banbury) Ltd | 04115058 | 31/08/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ATOS IT SOLUTIONS AND SERVICES LIMITED | 01203466 | 01/04/2006 | 01/07/2011 | Not Trading |
| BSH HOME APPLIANCES LIMITED | 01844007 | 01/06/2009 | 31/12/2011 | Bronze |
| ELECTRIUM SALES LIMITED | 02226729 | 30/06/2008 | 31/12/2011 | Gold |
| Electrium Ltd | 04948228 | 30/06/2008 | 23/09/2009 | Dissolved |
| GERMAN-BRITISH CHAMBER OF INDUSTRY & COMMERCE | 01016261 | 25/06/2009 | 31/12/2011 | Gold |
| LEDVANCE LTD | 01961715 | 01/08/2008 | 28/10/2009 | Silver |
| SCIENCE MUSEUM FOUNDATION | 08156772 | 25/07/2012 | 24/09/2013 | Silver |
| SIEMENS HOLDINGS PLC | 02465263 | 01/04/2006 | 31/12/2011 | Silver |
| SIEMENS PUBLIC LIMITED COMPANY | 00727817 | 01/04/2006 | 31/12/2011 | Silver |
| UNIFY ENTERPRISE COMMUNICATIONS LIMITED | 05903714 | 11/12/2006 | 30/09/2008 | Silver |