| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANYADA LIMITED | 05301879 | 01/12/2004 | Dissolved |
| ANYADA LIMITED | 05301879 | 01/12/2004 | Dissolved |
| FIRMDECISIONS LIMITED | 06283647 | 01/03/2019 | Amber |
| FUTURE PLC | 03757874 | 06/02/2018 | Gold |
| HOME-START WATFORD AND THREE RIVERS | 05385393 | 22/07/2024 | Silver |
| NEWLAWNS LIMITED | 04693439 | 11/03/2003 | Gold |
| NEWLAWNS LIMITED | 04693439 | 11/03/2003 | Gold |
| YOUGOV1208 Ltd | 05675275 | 19/12/2008 | Dissolved |
| YOUGOVALPHA LIMITED | 06296012 | 11/08/2008 | Dissolved |
| YOUGOVALPHA LIMITED | 06296012 | 11/08/2008 | Dissolved |
| Yougovamerica Holdings Ltd | 06296010 | 11/08/2008 | Dissolved |
| Yougoveurope Holdings Ltd | 06296007 | 11/08/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADTRACK LIMITED | 01581736 | 01/10/2020 | 12/05/2023 | Silver |
| AMMO (ADVANCE MEDIA & MARKETING OPPORTUNITIES) LIMITED | 02898703 | 01/10/2020 | 12/05/2023 | Gold |
| AXIOLOGY LIMITED | 07151326 | 01/10/2020 | 12/05/2023 | Gold |
| BARSBY ROWE LIMITED | 02082629 | 01/10/2020 | 12/05/2023 | Gold |
| BCMG ACQUISITIONS LIMITED | 04049362 | 01/10/2020 | 12/05/2023 | Silver |
| BCMG LIMITED | 03013406 | 01/03/2019 | 12/05/2023 | One Red Flag |
| BILLETTS INTERNATIONAL LIMITED | 03434819 | 01/10/2020 | 12/05/2023 | Silver |
| BILLETTS LIMITED | 03044446 | 01/10/2020 | 12/05/2023 | Gold |
| BILLETTS MARKETING SCIENCES LIMITED | 04238800 | 01/10/2020 | 12/05/2023 | Amber |
| BILLETTS MEDIA CONSULTING LIMITED | 01908293 | 01/10/2020 | 12/05/2023 | Amber |
| BRIEF INFORMATION LIMITED | 03113563 | 01/10/2020 | 12/05/2023 | Amber |
| CHECKING ADVERTISING SERVICES LIMITED | 03580727 | 01/03/2019 | 12/05/2023 | Silver |
| COEDITOR LTD | 07431283 | 01/12/2010 | 06/12/2017 | Dissolved |
| DATA MANAGEMENT SERVICES GROUP LIMITED | 03011070 | 01/10/2020 | 12/05/2023 | Gold |
| DIGIREELS LIMITED | 03320677 | 01/10/2020 | 12/05/2023 | Silver |
| DOUGHTY MEDIA 2 LTD | 07401422 | 06/09/2013 | 06/12/2017 | Dissolved |
| EBIQUITY ASIA PACIFIC LIMITED | 03528287 | 01/03/2019 | 12/05/2023 | Amber |
| EBIQUITY ASSOCIATES LIMITED | 03300123 | 30/01/2019 | 30/06/2023 | Bronze |
| EBIQUITY CEE LIMITED | 03723076 | 01/03/2019 | 12/05/2023 | Silver |
| EBIQUITY PLC | 03967525 | 07/01/2019 | 30/06/2023 | Amber |
| EBIQUITY UK HOLDINGS LIMITED | 03667743 | 01/03/2019 | 12/05/2023 | Gold |
| EBIQUITY UK LIMITED | 02454455 | 01/09/2020 | 12/05/2023 | Amber |
| EBIQUITY US FINANCING LIMITED | 08633401 | 01/03/2019 | 12/05/2023 | Silver |
| EBIQUITY US HOLDINGS LIMITED | 08632518 | 01/03/2019 | 12/05/2023 | One Red Flag |
| ERNST & YOUNG LLP | OC300001 | 09/10/2006 | 31/08/2007 | Bronze |
| FAIRBROTHER LENZ ELEY LIMITED | 02548073 | 01/10/2020 | 12/05/2023 | Amber |
| FIRMDECISIONS GROUP LIMITED | 06283975 | 01/03/2019 | 12/05/2023 | Bronze |
| FLE HOLDINGS LIMITED | 05819100 | 01/03/2019 | 12/05/2023 | Silver |
| FOUBERTS PLACE SUBSIDIARY NO.4 LIMITED | 02120582 | 01/10/2020 | 12/05/2023 | Silver |
| FRESHCORP LIMITED | 03550125 | 01/10/2020 | 12/05/2023 | Gold |
| FREUD MUSEUM ENTERPRISES LIMITED | 02008407 | 01/08/2010 | 01/10/2022 | Bronze |
| KPMG LLP | OC301540 | 03/05/2002 | 16/08/2002 | Silver |
| PRESS ADVERTISING REGISTER LIMITED(THE) | 01829527 | 01/10/2020 | 12/05/2023 | Silver |
| PROMINENT PAGES LIMITED | 03053312 | 01/10/2020 | 12/05/2023 | Amber |
| SHOTS LIMITED | 02469544 | 01/10/2020 | 12/05/2023 | Gold |
| THE FREUD MUSEUM LONDON | 05467415 | 01/04/2010 | 23/11/2021 | Bronze |
| THE QUOTED COMPANIES ALLIANCE | 04025281 | 04/10/2011 | 28/10/2020 | Silver |
| THE REGISTER GROUP LIMITED | 01658972 | 01/03/2019 | 12/05/2023 | Amber |
| WORLDWIDE MEDIA MANAGEMENT LIMITED | 05608821 | 01/10/2020 | 12/05/2023 | Gold |
| XTREME INFORMATION (USA) LTD | 05037537 | 29/01/2021 | 12/05/2023 | Gold |
| XTREME INFORMATION LIMITED | 03255646 | 01/10/2020 | 12/05/2023 | Gold |
| XTREME INFORMATION SERVICES LIMITED | 04244794 | 01/03/2019 | 12/05/2023 | Bronze |
| YGV FINANCE LIMITED | 08133482 | 06/07/2012 | 06/12/2017 | Dissolved |
| YOUGOV PLC | 03607311 | 11/08/2008 | 24/07/2015 | Gold |
| YOUGOV PLC | 03607311 | 11/08/2008 | 06/12/2017 | Gold |
| YOUGOV SERVICES LIMITED | 06739732 | 03/11/2008 | 06/12/2017 | Bronze |
| YOUGOVSTONE LIMITED | 06119964 | 11/08/2008 | 25/11/2015 | Dissolved |
| YOUGOVSTONE LIMITED | 06119964 | 11/08/2008 | 06/12/2017 | Dissolved |