| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DULWICH COLLEGE | 08208764 | 10/09/2012 | 31/07/2019 | Silver |
| DULWICH COLLEGE ENTERPRISES LIMITED | 03039344 | 06/03/2012 | 31/07/2019 | Bronze |
| INSTITUTE FOR GOVERNMENT | 06480524 | 01/09/2008 | 21/09/2011 | Bronze |
| LME HOLDINGS LIMITED | 04081219 | 20/04/2010 | 06/12/2019 | Silver |
| MHP COMMUNICATIONS LIMITED | 01855944 | 01/01/2011 | 12/07/2011 | Dissolved |
| POOL REINSURANCE (NUCLEAR) LIMITED | 03084992 | 07/11/2014 | 07/11/2020 | Silver |
| POOL REINSURANCE COMPANY LIMITED | 02798901 | 21/05/2014 | 20/05/2020 | Gold |
| THE BRITISH QUALITY FOUNDATION | 02770257 | 26/10/1999 | 10/05/2000 | Silver |
| THE COLLABORATE FOUNDATION | 02513936 | 18/10/1999 | 01/08/2002 | Dissolved |
| THE FINANCIAL REPORTING COUNCIL LIMITED | 02486368 | 01/03/2014 | 29/02/2020 | Silver |
| THE LONDON METAL EXCHANGE | 02128666 | 20/04/2010 | 06/12/2019 | Gold |
| WATER UK | 03539600 | 01/08/2015 | 08/04/2020 | Bronze |