| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 03885565 LIMITED | 03885565 | 25/10/2021 | Insolvent |
| 101 PROJECTS LIMITED | 07483043 | 31/03/2021 | Dissolved |
| APL GROUP LIMITED | 00235734 | 12/10/2010 | Bronze |
| CAB (NO. 1) LIMITED | 03031120 | 09/08/2018 | Not Trading |
| CLARITAS (UK) LIMITED | 01933461 | 22/01/2019 | Dissolved |
| CMGRP MARKETING SERVICES LIMITED | 01306069 | 26/10/2021 | Dissolved |
| COMPLETE MEDICAL GROUP WORLDWIDE LIMITED | 02709932 | 29/06/2022 | Insolvent |
| CREATION COMMUNICATIONS LIMITED | 05619191 | 30/04/2014 | Silver |
| CSIB (NO.1) LIMITED | 07242304 | 30/04/2014 | One Red Flag |
| DOUBLE HELIX BIO-TECHNOLOGY DEVELOPMENT LIMITED | 03069262 | 08/03/2021 | Dissolved |
| ENGELS (NO.1) LIMITED | 00515994 | 16/12/2004 | Amber |
| FCB EUROPE LIMITED | 03007253 | 23/09/2014 | Gold |
| HELLO ELEPHANT LTD | 09301267 | 07/12/2023 | Insolvent |
| INTERPUBLIC LIMITED | 00867637 | 24/05/2012 | Bronze |
| IPG EUROPE LTD | 09301144 | 07/11/2014 | One Red Flag |
| IPG HOLDINGS (UK) LIMITED | 02353279 | 29/05/2012 | Silver |
| ITB (SATURDAY) LIMITED | 08811505 | 08/06/2021 | Dissolved |
| ITB360 LIMITED | 06568982 | 16/04/2021 | Dissolved |
| LES (NO.1) LIMITED | 03035203 | 11/04/2014 | Silver |
| LOWE INTERNATIONAL LIMITED | 01709017 | 27/04/1994 | Bronze |
| MCCANN HEALTH LIMITED | 08743251 | 12/01/2023 | One Red Flag |
| MCCANN-ERICKSON UK GROUP LIMITED | 03640484 | 30/04/2014 | Bronze |
| MULLENLOWE GROUP LIMITED | 00506057 | 26/01/2000 | Silver |
| MULLENLOWE OPEN LIMITED | 03556415 | 20/05/2021 | Dissolved |
| MULLENLOWE PROFERO CONNECT LIMITED | 07018896 | 22/03/2021 | Dissolved |
| MULLENLOWE PROFERO LONDON LIMITED | 07020571 | 05/03/2021 | Dissolved |
| MULLENLOWE PROFERO PERFORMANCE LIMITED | 07018892 | 05/03/2021 | Dissolved |
| SPRINGPOINT UK LIMITED | 02495907 | 10/01/2019 | Insolvent |
| THE MARTIN AGENCY LIMITED | 08684283 | 12/08/2021 | Insolvent |
| VIRGO HEALTH PR LIMITED | 03889969 | 01/10/2014 | Insolvent |
| WEBER SHANDWICK INTERNATIONAL LTD | 02258441 | 26/10/2021 | Insolvent |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|