| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DARC MEDIA LIMITED | 06637089 | 03/07/2008 | Silver |
| FESTIVAL INSIGHTS LIMITED | 05344883 | 06/07/2012 | Amber |
| INNSPEC DIGITAL LIMITED | 08736394 | 17/10/2013 | Not Trading |
| MONDIALE HOSPITALITY HOLDINGS LLP | OC314104 | 11/07/2005 | Bronze |
| MONDIALE MEDIA LIMITED | 02019879 | 21/11/1991 | Silver |
| MONDIALE TECHNOLOGY MEDIA LIMITED | 09833086 | 20/10/2015 | Not Trading |
| PEACH 20/20 LIMITED | 05026224 | 11/07/2013 | One Red Flag |
| SLEEPER MEDIA LIMITED | 06637145 | 03/07/2008 | Bronze |
| THE DARC ROOM EXHIBITION LIMITED | 10568933 | 17/01/2017 | Not Trading |
| TOTAL PRODUCTION MAGAZINE LIMITED | 02886728 | 12/01/1994 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BOLLIN 2 LIMITED | 06976381 | 03/11/2014 | 03/11/2016 | Dissolved |
| CGA NIELSEN (GLOBAL) LIMITED | 09152754 | 30/07/2014 | 31/05/2022 | Amber |
| CGA STRATEGY LIMITED | 02675471 | 22/09/2003 | 31/05/2022 | Gold |
| E J MEDIA LIMITED | 05846067 | 06/03/2014 | 14/08/2017 | Dissolved |
| MARKED EVENTS LIMITED | 06011967 | 06/03/2014 | 09/12/2016 | Dissolved |