| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BARB AUDIENCES LIMITED | 03611026 | 31/10/2013 | Amber |
| BRIGHTMOVE MEDIA LIMITED | 08319850 | 21/01/2015 | Dissolved |
| DIGITAL CINEMA MEDIA LIMITED | 06497707 | 01/08/2013 | One Red Flag |
| Dl 101 Ltd | 05912284 | 17/12/2007 | Dissolved |
| LOCAL PLANET INTERNATIONAL LIMITED | 05982460 | 28/02/2019 | One Red Flag |
| Paradox Productions Ltd | 05359563 | 01/03/2005 | Dissolved |
| SILVER BULLET DATA SERVICES GROUP PLC | 08525481 | 16/07/2020 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMNET LIMITED | 03148086 | 20/09/2004 | 11/05/2012 | Dissolved |
| ANORAK DIGITAL LIMITED | 02814982 | 01/01/2009 | 11/05/2012 | Dissolved |
| CARAT BUSINESS LIMITED | 02660350 | 20/09/2004 | 11/05/2012 | Dissolved |
| CARAT DIGITAL LIMITED | 02435981 | 01/01/2008 | 11/05/2012 | Dissolved |
| CARAT INSIGHT LIMITED | 02496207 | 20/09/2004 | 11/05/2012 | Dissolved |
| CARAT LIMITED | 01378339 | 20/09/2004 | 31/12/2011 | Dissolved |
| CARAT MEDIA LIMITED | 07685803 | 28/06/2011 | 02/07/2012 | Dissolved |
| DENTSU MANCHESTER LIMITED | 02886697 | 08/07/2011 | 27/07/2013 | Dissolved |
| DENTSU UK LIMITED | 01939690 | 20/09/2004 | 11/05/2012 | One Red Flag |
| DIFFINITI LIMITED | 02439663 | 04/07/2004 | 11/05/2012 | Dissolved |
| DIFFINITI UK LIMITED | 06372880 | 17/09/2007 | 11/05/2012 | Dissolved |
| Directfare Ltd | 01308571 | 14/05/1993 | 27/07/1994 | Dissolved |
| FEATHER BROOKSBANK LIMITED | SC127341 | 02/09/2004 | 11/05/2012 | Dissolved |
| FILMBANK DISTRIBUTORS LIMITED | 01021212 | 11/05/1999 | 25/06/2004 | One Red Flag |
| GLUE LONDON LIMITED | 04293519 | 10/08/2005 | 11/05/2012 | Dissolved |
| GREY ADVERTISING LIMITED | 00539916 | 04/10/1992 | 03/10/1997 | Gold |
| GREY MIDLANDS LIMITED | 02499827 | 02/08/1994 | 22/04/1996 | Dissolved |
| ISOBAR DORMANT LIMITED | 01406257 | 24/11/2004 | 11/05/2011 | Dissolved |
| JUST MEDIA LIMITED | 03176226 | 14/10/2005 | 11/05/2012 | Dissolved |
| Just Media Trust Co Ltd | 03703197 | 14/10/2005 | 01/04/2007 | Dissolved |
| KRS FILM DISTRIBUTORS LIMITED | 00423372 | 07/09/1999 | 30/09/2004 | Bronze |
| MARVELLOUS IDEAS LTD | 04133741 | 13/06/2007 | 10/05/2012 | Dissolved |
| MEDIA DYNAMICS LIMITED | 00926520 | 01/01/2009 | 11/05/2012 | Dissolved |
| OUTDOOR LIFE LIMITED(THE) | 01952739 | 28/09/2004 | 11/05/2012 | Dissolved |
| OUTDOOR PLUS LIMITED | 04823380 | 14/11/2016 | 31/08/2018 | One Red Flag |
| PROJECT ICONIC HOLDINGS LIMITED | 10303993 | 14/11/2016 | 31/08/2018 | Silver |
| THE INSTITUTE OF PRACTITIONERS IN ADVERTISING (PRE-CHARTER) | 00221167 | 14/04/1994 | 23/04/1998 | Dissolved |
| THE MEDIA BUSINESS LIMITED | 02522081 | 06/01/1993 | 03/10/1997 | Dissolved |
| VIZEUM UK LIMITED | 02394574 | 05/07/2004 | 11/05/2012 | Dissolved |
| WARNER BROS. ENTERTAINMENT UK LIMITED | 00259661 | 11/05/1999 | 25/06/2004 | Gold |