| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AREVA NP (UK) LIMITED | 01371903 | 31/03/1998 | 01/08/1999 | Dissolved |
| ATOS IT SOLUTIONS AND SERVICES LIMITED | 01203466 | 10/11/1998 | 08/12/1999 | Not Trading |
| Alfred Engelmann Manufacturing Ltd | 01962914 | 25/02/1998 | 21/12/2000 | Dissolved |
| BAXI GLOBAL LIMITED | 03879158 | 28/03/2000 | 22/11/2000 | Insolvent |
| BAXI PARTNERSHIP LIMITED | 00367875 | 28/03/2000 | 22/11/2000 | Silver |
| BSH HOME APPLIANCES LIMITED | 01844007 | 02/01/1999 | 01/06/2009 | Bronze |
| CERES POWER HOLDINGS PLC | 05174075 | 04/02/2008 | 29/02/2012 | Amber |
| CONTINENTAL AUTOMOTIVE HOLDINGS UK LIMITED | 04114756 | 20/12/2006 | 01/10/2007 | Amber |
| CONTINENTAL AUTOMOTIVE TRADING UK LIMITED | 00965702 | 12/01/2007 | 01/10/2007 | One Red Flag |
| CONTINENTAL AUTOMOTIVE UK LIMITED | 00976731 | 20/12/2006 | 01/10/2007 | Amber |
| CTI GROUP LIMITED | 01792086 | 25/03/1991 | 22/03/1993 | Dissolved |
| E.E.F. TRUSTEES LIMITED | 00727080 | 04/05/2006 | 05/08/2009 | Dissolved |
| EEF LIMITED | 05950172 | 01/10/2008 | 06/05/2009 | Silver |
| ELECTRIUM (UK) LIMITED | 00167171 | 17/01/2007 | 01/10/2007 | Dissolved |
| ELECTRIUM SALES LIMITED | 02226729 | 04/01/2006 | 01/10/2007 | Silver |
| Electrium Ltd | 04948228 | 04/01/2006 | 01/10/2007 | Dissolved |
| FENNER GROUP HOLDINGS LIMITED | 00329377 | 01/04/2010 | 13/01/2016 | Silver |
| GERMAN-BRITISH CHAMBER OF INDUSTRY & COMMERCE | 01016261 | 15/02/2001 | 28/11/2012 | Silver |
| LEDVANCE LTD | 01961715 | 31/03/1998 | 01/10/2007 | Bronze |
| Oldbury (Banbury) Ltd | 04115058 | 16/05/2002 | 01/10/2007 | Dissolved |
| RELECTRONIC-REMECH LTD. | 02585109 | 11/04/1994 | 15/03/2000 | Dissolved |
| ROKE MANOR RESEARCH LIMITED | 00267550 | 12/06/2001 | 14/12/2004 | Gold |
| SIEMENS HOLDINGS PLC | 02465263 | 01/01/1998 | 30/11/2012 | Silver |
| SIEMENS METERING LIMITED | 01389920 | 18/03/1993 | 01/08/1999 | Dissolved |
| SIEMENS POWER GENERATION LIMITED | 03332999 | 31/03/1998 | 31/10/2002 | Strike Off |
| SIEMENS PUBLIC LIMITED COMPANY | 00727817 | 18/03/1992 | 01/10/2007 | Silver |
| Siemens Building Technologies Ltd | 01681983 | 24/07/2002 | 09/01/2006 | Dissolved |
| Siemens Dematic Systems Ltd | 04123512 | 01/05/2002 | 12/08/2004 | Dissolved |
| Siemens Metering Services Ltd | 03496161 | 03/09/1998 | 01/08/1999 | Dissolved |
| Siemens Microelectronics Ltd | 01665663 | 01/12/1997 | 01/08/1999 | Dissolved |
| Siemens Nixdorf Information Systems Ltd | 01388767 | 31/03/1998 | 01/08/1999 | Dissolved |
| Siemens Real Estate Developments Ltd | 01194995 | 01/12/1997 | 02/07/1999 | Dissolved |
| Siemens Westinghouse Power Ltd | 02684886 | 01/08/1998 | 01/08/1999 | Dissolved |
| TDK UK LIMITED | 03965688 | 01/12/2000 | 28/02/2006 | Gold |
| TP GROUP LIMITED | 03152034 | 01/04/2006 | 20/04/2010 | Bronze |
| VITESCO TECHNOLOGIES UK LIMITED | 02375012 | 06/05/1998 | 01/10/2007 | Gold |
| WHATMAN LIMITED | 00630958 | 01/01/2006 | 25/04/2008 | Amber |