| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GLOBALDATA PLC | 03925319 | 06/08/2007 | Bronze |
| Media Medica Publications Ltd | 02698346 | 01/07/1993 | Dissolved |
| OPTIMA DATA INTELLIGENCE SERVICES LIMITED | 06233911 | 27/06/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADVANCE MEDIA INFORMATION LIMITED | 03528049 | 15/03/2006 | 14/12/2007 | Dissolved |
| AGENCY RUN LIMITED | 05880579 | 30/06/2015 | 22/02/2018 | Dissolved |
| AVTECH MEDIA LIMITED | 07808477 | 17/09/2015 | 28/02/2018 | Bronze |
| BUTLER DIRECT LIMITED | 03360695 | 03/05/2001 | 31/01/2005 | Dissolved |
| BUTLER RESEARCH GROUP LIMITED | 03984054 | 17/05/2001 | 30/04/2007 | Dissolved |
| BUTLER RESEARCH LIMITED | 02007668 | 17/05/2001 | 31/01/2005 | Dissolved |
| CHRYSALIS VCT PLC | 04095791 | 01/04/2005 | 30/09/2017 | Insolvent |
| CLIPABILITY LIMITED | 03835785 | 01/04/2005 | 15/12/2006 | Dissolved |
| ENERGY DATA SERVICES LIMITED | 02744645 | 01/04/2005 | 15/12/2006 | Dissolved |
| ENTERTAINMENT PRESS CUTTINGS AGENCY LIMITED | 03225651 | 01/04/2005 | 15/12/2006 | Dissolved |
| ENTHUSE GROUP LIMITED | 06635333 | 30/07/2008 | 22/02/2018 | Silver |
| ENTHUSE HOLDINGS LIMITED | 07406382 | 13/10/2010 | 22/02/2018 | One Red Flag |
| ESUBSTANCE LIMITED | 03829537 | 01/12/2015 | 27/09/2018 | One Red Flag |
| Gjs (100) Ltd | 05868610 | 07/07/2006 | 14/08/2006 | Dissolved |
| INFORMA SERVICES LIMITED | 02306113 | 01/03/2005 | 13/07/2007 | Bronze |
| INK PUBLISHING (HOLDINGS) LIMITED | 05879839 | 01/12/2015 | 27/09/2018 | Dissolved |
| KBBI GROUP LIMITED | 05269205 | 31/03/2005 | 15/12/2006 | Dissolved |
| KBI TRUSTEES LIMITED | 05400544 | 01/04/2005 | 15/12/2006 | Dissolved |
| KEYWAYS PUBLISHING LIMITED | 05795902 | 08/06/2006 | 15/01/2009 | Dissolved |
| KNIGHT BANNER BUSINESS INFORMATION LIMITED | 05298457 | 31/03/2005 | 15/12/2006 | Dissolved |
| KNIGHT-BANNER INFORMATION LIMITED | 04152862 | 01/04/2005 | 15/12/2006 | Dissolved |
| LILYPRESS LIMITED | 03200722 | 01/04/2005 | 15/12/2006 | Dissolved |
| LIVVAKT LIMITED | 07019427 | 01/10/2009 | 02/03/2011 | Silver |
| MEDIA REPORT EDITORIAL LIMITED | 04021833 | 01/04/2005 | 15/12/2006 | Dissolved |
| MYTIME MEDIA LIMITED | 05649018 | 16/08/2006 | 28/02/2018 | One Red Flag |
| PRECISE MEDIA MONITORING LTD | 03247942 | 01/04/2005 | 15/12/2006 | One Red Flag |
| PRESS SELECT LIMITED | 03182407 | 01/04/2005 | 15/12/2006 | Dissolved |
| PROFESSIONAL MANAGERIAL & HEALTHCARE PUBLICATIONS LIMITED | 02290112 | 15/06/1992 | 15/01/2009 | Dissolved |
| Postgraduate Publications Ltd | 03966021 | 06/04/2000 | 15/01/2009 | Dissolved |
| SANDERSON DESIGN GROUP PLC | 00061880 | 28/03/2001 | 19/07/2005 | Silver |
| Sherlock Holmes Gazette Ltd | 03155891 | 16/02/1996 | 15/01/2009 | Dissolved |
| UK MEDIA MONITORING ASSOCIATION LIMITED | 04322950 | 24/11/2005 | 19/12/2007 | Dissolved |
| VOLANTI HOLDINGS LIMITED | 09331218 | 15/07/2015 | 27/09/2018 | Dissolved |
| VOLANTI MANAGEMENT LIMITED | 10812330 | 09/06/2017 | 27/09/2018 | Dissolved |
| VOLANTI MEDIA (HOLDINGS) LIMITED | 10812060 | 09/06/2017 | 27/09/2018 | Dissolved |
| VOLANTI MEDIA LIMITED | 10812511 | 09/06/2017 | 27/09/2018 | Dissolved |
| W.H.Y PUBLICATIONS LIMITED | 03243520 | 09/09/1996 | 03/04/1997 | Dissolved |
| W.H.Y PUBLICATIONS LIMITED | 03243520 | 09/09/1996 | 08/01/1999 | Dissolved |
| Yearswap Limited | 02435852 | 17/11/1991 | 16/06/1993 | Dissolved |