| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| EMERGENT CAPITAL PARTNERS LIMITED | 09044482 | 01/10/2014 | Dissolved |
| Lanara Group Ltd | 05030249 | 04/05/2004 | Dissolved |
| SPARTENT GLOBAL SENTINEL LIMITED | 09860847 | 06/11/2015 | Dissolved |
| SUSTAINABLE VILLAGES LIMITED | 05042222 | 04/04/2011 | Dissolved |
| Ug Realisations 2008 Ltd | 06025464 | 14/03/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Ahs Emstar Holdings Ltd | 00230643 | 28/09/1991 | 15/11/1991 | Dissolved |
| BG ENERGY HOLDINGS LIMITED | 03763515 | 28/10/1999 | 23/10/2000 | Gold |
| BG GROUP LIMITED | 03690065 | 15/09/1999 | 23/10/2000 | Bronze |
| BRITISH MANAGEMENT DATA FOUNDATION(THE) | 00974633 | 07/12/2006 | 22/12/2016 | Dissolved |
| CAREERS RESEARCH AND ADVISORY CENTRE (CRAC) LIMITED(THE) | 00825036 | 01/08/1992 | 25/04/2005 | Bronze |
| CORPORATE RESPONSIBILITY GROUP LIMITED | 02717692 | 26/05/1992 | 08/05/1998 | Gold |
| CYGNUS SMART TECHNOLOGIES LIMITED | 09006722 | 23/04/2014 | 22/04/2017 | Dissolved |
| ENERGY AND UTILITY SKILLS LIMITED | 03812163 | 16/10/2003 | 15/09/2009 | Silver |
| FOUNDATION FOR MANAGEMENT EDUCATION | 00670414 | 01/10/1995 | 30/06/2013 | Dissolved |
| INSEEGO LTD | 04643588 | 01/10/2003 | 01/11/2010 | One Red Flag |
| INTERNATIONAL LONGEVITY CENTRE - UK | 03798902 | 15/12/2003 | 10/11/2015 | Silver |
| LATTICE GROUP LIMITED | 03900804 | 01/09/2000 | 30/11/2003 | Silver |
| NATIONAL GAS TRANSMISSION HOLDINGS LIMITED | 03675375 | 27/09/1999 | 03/06/2003 | Amber |
| NATIONAL GAS TRANSMISSION PLC | 02006000 | 01/04/1996 | 21/10/2002 | Silver |
| NATIONAL GRID COMMERCIAL HOLDINGS LIMITED | 04042700 | 06/10/2000 | 30/11/2003 | Silver |
| NATIONAL GRID PLC | 04031152 | 21/10/2002 | 30/11/2003 | Silver |
| NGT TELECOM NO. 1 LIMITED | 03751494 | 28/11/2001 | 30/11/2003 | Dissolved |
| SEAVIEW BAY MANAGEMENT LIMITED | 02367364 | 06/08/2005 | 21/08/2017 | Silver |
| SHELL RESEARCH LIMITED | 00539964 | 01/10/1995 | 19/01/1996 | One Red Flag |
| SHELL U.K. LIMITED | 00140141 | 22/03/1993 | 16/01/1996 | Bronze |
| SPARTENT GLOBAL SOLUTIONS LIMITED | 07890792 | 08/10/2014 | 16/03/2017 | Silver |
| SUSTAINABLE VILLAGES (ENERGY) LIMITED | 07547005 | 20/07/2011 | 18/03/2015 | Dissolved |
| SYNERGY SKILLS LIMITED | 04776566 | 23/05/2003 | 18/05/2010 | Dissolved |
| THE EXPERIENCE CORPS | 04184699 | 05/06/2003 | 21/09/2004 | Bronze |
| WARM WALES - CYMRU GYNNES CWMNI BUDDIANT CYMUNEDOL | 05183580 | 16/04/2008 | 03/02/2010 | Silver |