| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 10 GROUP HOLDCO LIMITED | 09278348 | 06/04/2022 | Gold |
| 10 GROUP LIMITED | 06998865 | 06/04/2022 | Bronze |
| ASTHMA AND LUNG UK | 01863614 | 02/11/2022 | Bronze |
| INGRAM CONSULTING AND COACHING LTD | 14299989 | 16/08/2022 | Bronze |
| INTERTEK GROUP PLC | 04267576 | 18/12/2020 | Silver |
| MARKS AND SPENCER GROUP P.L.C. | 04256886 | 01/06/2020 | Silver |
| RECKITT BENCKISER GROUP PLC | 06270876 | 01/02/2023 | Bronze |
| VISIT LONDON LIMITED | 00761149 | 16/07/2002 | Insolvent |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALMEIDA THEATRE COMPANY LIMITED | 01546033 | 09/12/2008 | 31/01/2013 | Silver |
| ENGLISH STAGE COMPANY LIMITED(THE) | 00539332 | 14/05/2001 | 09/01/2008 | Bronze |
| G2 LONDON LIMITED | 01448846 | 18/08/2005 | 13/06/2008 | Not Trading |
| GCI LONDON LIMITED | 01269264 | 28/10/2005 | 09/01/2007 | Dissolved |
| GREY ADVERTISING LIMITED | 00539916 | 24/08/2005 | 13/06/2008 | Gold |
| GREY COMMUNICATIONS GROUP LIMITED | 01795794 | 27/07/2005 | 13/06/2008 | Gold |
| GREY GLOBAL GROUP (UK) LIMITED | 03664479 | 27/07/2005 | 13/06/2008 | Silver |
| SAVE THE CHILDREN FUND | 00178159 | 01/12/2009 | 30/11/2018 | Gold |
| SERCO GROUP PLC | 02048608 | 03/03/2014 | 31/07/2016 | Silver |
| THE BEACON FELLOWSHIP CHARITABLE TRUST | 04689391 | 06/03/2003 | 19/04/2005 | Silver |
| THE INSTITUTE OF PRACTITIONERS IN ADVERTISING (PRE-CHARTER) | 00221167 | 05/04/1995 | 26/04/2006 | Dissolved |
| THE ROYAL DRAWING SCHOOL | 04971133 | 04/12/2013 | 28/02/2018 | Silver |
| THE SAGE GROUP PLC. | 02231246 | 21/12/2004 | 31/07/2013 | Bronze |