| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| I B C (Eight) Limited | 01948335 | 01/06/1991 | Dissolved |
| Business Studies Ltd | 01595631 | 01/06/1991 | Dissolved |
| Century Press Ltd | 01609634 | 01/06/1991 | Dissolved |
| DATAMONITOR SECRETARIES LIMITED | 02306018 | 30/07/2007 | Dissolved |
| Datamonitor Trustee Ltd | 04178532 | 30/07/2007 | Dissolved |
| EXPERIENCE STUDIOS LIMITED | 13894759 | 29/06/2022 | One Red Flag |
| Emc Publications Ltd | 03615965 | 31/12/1999 | Dissolved |
| European Intelligence Ltd | 00870888 | 01/11/1991 | Dissolved |
| European Mobile Communications Ltd | 03608863 | 23/07/1999 | Dissolved |
| European Pharma Law Centre Ltd | 01499889 | 22/12/2003 | Dissolved |
| Fleet Street Financial Services Ltd | 01953646 | 01/06/1991 | Dissolved |
| GROSVENOR PRESS INTERNATIONAL LIMITED | 01805442 | 01/06/1991 | Dissolved |
| I B C (Nine) Ltd | 00821042 | 01/06/1991 | Dissolved |
| I B C Financial Publishing Ltd | 01685548 | 01/06/1991 | Dissolved |
| I B C Technical Services Ltd | 03111966 | 07/12/1995 | Dissolved |
| I B C Training Ltd | 01587462 | 01/06/1991 | Dissolved |
| INTERNATIONAL INSIDER PUBLISHING COMPANY LIMITED | 01613095 | 01/06/1991 | Dissolved |
| Ibj Associates Ltd | 02648535 | 31/12/1999 | Dissolved |
| Informa Business Publishing Ltd | 02381059 | 31/12/1999 | Dissolved |
| Informa Financial Publishing Ltd | 02381097 | 31/12/1999 | Dissolved |
| Informa Professional Publishing Ltd | 03610054 | 31/12/1999 | Dissolved |
| Informa Publishing Group Ltd | 04196013 | 25/04/2001 | Dissolved |
| Informadata Sources Ltd | 03247511 | 21/10/1996 | Dissolved |
| Investment & Property Studies Ltd | 00826172 | 01/06/1991 | Dissolved |
| J.R.L. NEWSLETTERS LIMITED | 01271454 | 31/12/1999 | Dissolved |
| JUMP ARCHITECTURE & DESIGN LTD | 07563635 | 25/03/2022 | Bronze |
| Llp Dormant Ltd | 03610049 | 31/12/1999 | Dissolved |
| Lutine Publications Limited | 01169940 | 01/07/2002 | Dissolved |
| M M S International | FC014238 | 11/09/2003 | Dissolved |
| MA AGRICULTURE LIMITED | 01381243 | 01/02/2020 | Bronze |
| MA EXHIBITIONS LIMITED | 02115759 | 17/02/2020 | Amber |
| MA FINANCIAL MEDIA LTD | 14547241 | 27/02/2023 | Bronze |
| MARK ALLEN HOLDINGS LIMITED | 02120366 | 03/07/2017 | Silver |
| Mobile Communications International Ltd | 03142279 | 13/03/1996 | Dissolved |
| Mrc Publications Ltd | 01934069 | 31/12/1999 | Dissolved |
| Mrc Reporting Services Ltd | 02017259 | 31/12/1999 | Dissolved |
| Ovum Est Ltd | 05617414 | 30/07/2007 | Dissolved |
| POPULOUS D&B LIMITED | 13245583 | 25/03/2022 | One Red Flag |
| POPULOUS EVENT (EMEA) LIMITED | 13099762 | 24/12/2020 | Not Trading |
| POPULOUS LIMITED | 02133361 | 18/10/2017 | One Red Flag |
| Phoenix Data Sources Ltd | 03244060 | 30/08/1996 | Dissolved |
| Pugtape Ltd | 03349167 | 17/06/1997 | Dissolved |
| RIVERBIRD LLP | OC417454 | 01/09/2017 | Bronze |
| Risk Services Ltd. | 03075695 | 31/12/1999 | Dissolved |
| THE RIGBY PARTNERSHIP LIMITED | 07463041 | 07/12/2010 | Bronze |
| Techmark Research Ltd | 03833559 | 30/07/2007 | Dissolved |
| Transpotel (U.K.) Ltd | 01658797 | 31/12/1999 | Dissolved |
| WATERLOO STREET BPRA PROPERTY FUND LLP | OC343712 | 03/04/2009 | Bronze |
| WILLAN PUBLISHING LIMITED | 03962177 | 27/05/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BETFAIR GROUP LIMITED | 06489716 | 01/04/2014 | 02/02/2016 | Silver |
| BOB ASSOCIATES(UK) LIMITED | 01244244 | 01/06/1991 | 17/06/1999 | Dissolved |
| CAPITAL ECONOMICS RESEARCH LIMITED | 09242255 | 01/11/2014 | 26/03/2018 | One Red Flag |
| Conatus Ltd | 04144610 | 19/01/2001 | 20/10/2005 | Dissolved |
| ELECTRIC WORD LIMITED | 03934419 | 16/03/2000 | 31/05/2013 | One Red Flag |
| INGENIOUS FILM PARTNERS 2 LLP | OC314069 | 03/02/2006 | 06/04/2011 | Bronze |
| INGENIOUS FILM PARTNERS LLP | OC308659 | 10/02/2005 | 06/04/2010 | Silver |
| INTERCEDE 1001 LIMITED | 09040527 | 14/05/2014 | 26/06/2014 | Dissolved |
| LOCK TOPCO LIMITED | 09175895 | 20/04/2015 | 24/10/2024 | Amber |
| PIMCO (HOLDINGS) LIMITED | 08153096 | 06/04/2014 | 26/06/2014 | Dissolved |