| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| D M G I (Bateman Street) Ltd | 01886979 | 06/12/2001 | Dissolved |
| EX EDR LTD | 03624832 | 22/06/1999 | Dissolved |
| HARMSWORTH COMMUNICATIONS LIMITED | 01926727 | 08/12/1997 | Dissolved |
| HARMSWORTH COMMUNICATIONS LIMITED | 01926727 | 08/12/1997 | Dissolved |
| HARMSWORTH VETERINARY INFORMATION PUBLISHING LIMITED | 03004383 | 09/06/1997 | Dissolved |
| HARMSWORTH VETERINARY INFORMATION PUBLISHING LIMITED | 03004383 | 09/06/1997 | Dissolved |
| Harmsworth Information Publishing Ltd | 02985445 | 09/06/1997 | Dissolved |
| Harmsworth Information Publishing Ltd | 02985445 | 09/06/1997 | Dissolved |
| Harmsworth Publications Ltd | 00898269 | 09/06/1997 | Dissolved |
| Harmsworth Publications Ltd | 00898269 | 09/06/1997 | Dissolved |
| Hobsons Systems Ltd | 03849043 | 13/10/1999 | Dissolved |
| Hobsons Systems Ltd | 03849043 | 13/10/1999 | Dissolved |
| Old R M S Ltd | 03137663 | 06/08/1998 | Dissolved |
| Old R M S Ltd | 03137663 | 06/08/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CENTRE FOR INVESTOR EDUCATION (UK) LIMITED | 01951332 | 31/12/1998 | 16/04/2007 | Dissolved |
| Cromwell Road Brighton Investments Ltd | 03533814 | 06/06/2006 | 02/02/2008 | Dissolved |
| Cromwell Road Brighton Investments Ltd | 03533814 | 06/06/2006 | 02/02/2008 | Dissolved |
| DMG ANGEX LIMITED | 02302189 | 09/12/2009 | 11/01/2017 | Dissolved |
| DMG EVENTS INTERNATIONAL LIMITED | 04118004 | 09/12/2009 | 11/01/2017 | Bronze |
| DMG EVENTS LIMITED | 01150306 | 09/12/2009 | 11/01/2017 | Dissolved |
| DMG INFORMATION LIMITED | 03708142 | 02/03/1999 | 11/01/2017 | One Red Flag |
| DMGI LAND & PROPERTY EUROPE LTD | 01163844 | 09/06/1997 | 20/03/2008 | Bronze |
| DMGI LAND & PROPERTY EUROPE LTD | 01163844 | 09/06/1997 | 11/01/2017 | Bronze |
| EDR LANDMARK MANAGEMENT SERVICES LIMITED | 02892815 | 30/09/1998 | 27/03/2014 | Dissolved |
| GENSCAPE UK LIMITED | 02026765 | 31/12/1998 | 16/04/2007 | Amber |
| HOMECHECK LIMITED | 03767233 | 18/09/2003 | 18/04/2013 | Dissolved |
| HOMECHECK PROFESSIONAL LIMITED | 04185716 | 18/09/2003 | 18/04/2013 | Dissolved |
| LANDMARK INFORMATION GROUP LIMITED | 02892803 | 30/09/1998 | 11/01/2017 | Silver |
| LANDMARK INTERNATIONAL HOLDINGS LIMITED | 02970415 | 30/09/1998 | 11/01/2017 | Dissolved |
| LEWTAN TECHNOLOGIES LIMITED | 05554541 | 06/09/2005 | 27/10/2014 | Dissolved |
| NOT IN MY BACK YARD LIMITED | 03936659 | 18/09/2003 | 18/04/2013 | Dissolved |
| PRODAT SYSTEMS PLC | 02849560 | 22/06/1999 | 26/03/2014 | Dissolved |
| PROPERTY & PORTFOLIO RESEARCH LIMITED | 03847408 | 13/10/1999 | 17/07/2009 | Dissolved |
| PROPERTY & PORTFOLIO RESEARCH LIMITED | 03847408 | 13/10/1999 | 17/07/2009 | Dissolved |
| QS ENROLMENT SOLUTIONS LIMITED | 00640846 | 09/06/1997 | 11/01/2017 | Gold |
| RISK MANAGEMENT SOLUTIONS LIMITED | 02823504 | 25/02/1998 | 07/03/2002 | Gold |
| RISK MANAGEMENT SOLUTIONS LIMITED | 02823504 | 04/07/1997 | 14/08/2012 | Gold |
| RMSI LIMITED | 04658340 | 14/02/2003 | 31/03/2009 | Gold |
| RMSI LIMITED | 04658340 | 14/02/2003 | 30/04/2009 | Gold |
| SITESCOPE LIMITED | 03527086 | 18/09/2003 | 30/09/2015 | Dissolved |
| STUDY GROUP UK LIMITED | 03108030 | 11/07/1997 | 08/09/2006 | Gold |
| TREPP LIMITED | 03087851 | 07/12/2005 | 11/01/2017 | Dissolved |
| TREPP LIMITED | 03087851 | 07/12/2005 | 11/01/2017 | Dissolved |