| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BUILD UP ACADEMY LTD | 10731617 | 20/04/2017 | Dissolved |
| FOLLICULAR LYMPHOMA FOUNDATION | 11943477 | 12/04/2019 | Gold |
| LS KANSAS FIVE LLP | OC356342 | 09/07/2010 | Dissolved |
| LS KANSAS ONE LIMITED | 06787566 | 19/01/2009 | Dissolved |
| LS KANSAS SEVEN LLP | OC330535 | 30/04/2009 | Dissolved |
| LS KANSAS SIX LLP | OC323461 | 01/05/2008 | Dissolved |
| LS KANSAS THREE LIMITED | 07356314 | 25/08/2010 | Dissolved |
| Newco-Red Capital Ltd | 06329141 | 31/07/2007 | Dissolved |
| RED CAPITAL LTD | 06330576 | 01/08/2007 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 14 CHESTERFORD GARDENS LTD. | 06594385 | 25/05/2017 | 21/12/2017 | Not Trading |
| ACCENTURE SONG PRODUCTION STUDIOS UK LIMITED | 07628810 | 10/05/2011 | 31/05/2013 | Silver |
| BARTLE BOGLE HEGARTY LIMITED | 01622226 | 04/01/2000 | 11/03/2003 | Bronze |
| BW 2012 LIMITED | 07631017 | 11/05/2011 | 31/05/2013 | Dissolved |
| DIAGEO PLC | 00023307 | 01/09/2014 | 28/09/2023 | Bronze |
| GATHER (FORUM) LTD | 05244493 | 28/09/2004 | 01/07/2009 | One Red Flag |
| GREY ADVERTISING LIMITED | 00539916 | 23/05/2003 | 06/02/2006 | Gold |
| K COMMS GROUP LIMITED | 07632340 | 12/05/2011 | 31/05/2013 | Dissolved |
| KARMARAMA COMMS LIMITED | 07628831 | 10/05/2011 | 31/05/2013 | Dissolved |
| THE INSTITUTE OF PRACTITIONERS IN ADVERTISING (PRE-CHARTER) | 00221167 | 26/04/2006 | 28/05/2013 | Dissolved |
| THE REEL ONE PARTNERSHIP LLP | OC316001 | 29/03/2006 | 22/03/2022 | Dissolved |
| THE REEL TWO PARTNERSHIP LLP | OC316002 | 29/03/2006 | 22/03/2022 | Dissolved |
| WHITE RIBBON ALLIANCE UK | 07369725 | 08/09/2010 | 30/05/2013 | Dissolved |
| WOMEN'S PRIZE TRUST | 03691656 | 14/11/2012 | 06/12/2017 | Silver |