| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| F.E.P. (U.K.) LIMITED | 01832211 | 18/04/2017 | Dissolved |
| HEARST MAGAZINES UK 2012-1 LIMITED | 04474102 | 18/04/2017 | Dissolved |
| HEARST UK EVENTS LIMITED | 11182828 | 01/02/2018 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EDITED FINANCIAL SERVICES LIMITED | 07951750 | 18/04/2017 | 29/10/2021 | Not Trading |
| FIPP LIMITED | 01006977 | 04/05/2020 | 10/12/2021 | Amber |
| HANDBAG.COM LIMITED | 03819979 | 18/04/2017 | 06/10/2021 | Not Trading |
| HEARST UK LIMITED | 00519122 | 22/02/2018 | 06/10/2021 | Dissolved |
| ICROSSING EUROPE LIMITED | 06032667 | 20/09/2017 | 20/07/2021 | Amber |
| ICROSSING LIMITED | 03955760 | 20/09/2017 | 20/07/2021 | Bronze |
| JT-PATS LIMITED | 08814968 | 04/11/2014 | 02/02/2017 | Gold |
| NATIONAL MAGAZINE COMPANY LIMITED(THE) | 00112955 | 18/04/2017 | 02/11/2021 | Silver |
| NEWSWORKS | 04618606 | 06/06/2014 | 02/02/2017 | Bronze |
| PROFESSIONAL PUBLISHERS ASSOCIATION LTD | 00132310 | 30/11/2017 | 02/12/2021 | Bronze |
| PUBLISHERS AUDIENCE MEASUREMENT COMPANY LIMITED | 09576666 | 09/04/2019 | 09/09/2021 | Gold |
| THE BROADCAST ADVERTISING STANDARDS BOARD OF FINANCE LIMITED | 05017678 | 22/09/2005 | 18/12/2008 | Silver |
| YAHOO! UK LIMITED | 03244285 | 10/03/2011 | 03/03/2014 | Dissolved |