| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALCONE UK LIMITED | 00559569 | 01/10/1999 | Dissolved |
| BERNARD HODES ADVERTISING LIMITED | 01503257 | 01/10/1999 | Dissolved |
| KABBANS INTERIM SOLUTIONS LTD. | 07826373 | 22/12/2011 | Dissolved |
| KABBANS SECURITIES LIMITED | 00657026 | 13/03/1991 | Dissolved |
| MACMILLAN DAVIES HODES CONSULTANTS LIMITED | 01906555 | 01/10/1999 | Dissolved |
| MIND CHANGE LIMITED | 07671112 | 15/06/2011 | Dissolved |
| PATRON?S LUNCH EVENTS LIMITED | 09564453 | 28/04/2015 | Dissolved |
| PLAYING FIELD (THEATRE) LIMITED | 10814603 | 26/10/2022 | Amber |
| Porter Novelli Europe Ltd | 02101709 | 16/05/2000 | Dissolved |
| THE ANVIL CONSULTANCY LIMITED | 02265560 | 01/10/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 239 OMR LIMITED | 01835151 | 01/10/1999 | 31/12/2008 | Dissolved |
| ADELPHI GROUP LIMITED | 01975338 | 21/03/2006 | 31/12/2008 | One Red Flag |
| AMV BBDO INVESTMENTS LIMITED | 01699246 | 01/10/1999 | 23/04/2003 | One Red Flag |
| CEDAR COMMUNICATIONS LIMITED | 02709621 | 01/10/1999 | 31/12/2008 | Bronze |
| COGNIZANT NEW SOLUTIONS LIMITED | 01620820 | 19/04/2000 | 30/08/2006 | Strike Off |
| CPM UNITED KINGDOM LIMITED | 01757157 | 09/03/2007 | 31/05/2008 | One Red Flag |
| Cpm International Group Ltd | 02674704 | 23/04/2003 | 12/03/2007 | Dissolved |
| DAS EUROPE LIMITED | 01468528 | 01/10/1999 | 31/12/2008 | Gold |
| DAS FRANCE LIMITED | 02320966 | 01/10/1999 | 31/12/2008 | Dissolved |
| DIVERSIFIED AGENCY SERVICES LIMITED | 02343731 | 01/10/1999 | 31/12/2008 | Silver |
| DRAWROD TREBMAL LIMITED | 02330501 | 01/10/1999 | 06/04/2006 | Dissolved |
| ENTERADEN LIMITED | 01920258 | 30/01/1992 | 12/07/2017 | Gold |
| EXPERIENCE WORLDWIDE LIMITED | 03389679 | 19/12/2005 | 31/12/2008 | Dissolved |
| FLAMINGO RESEARCH LIMITED | 02735873 | 19/12/2006 | 31/12/2008 | Dissolved |
| G PLUS LIMITED | 04085569 | 31/01/2006 | 31/12/2008 | Bronze |
| Gpc Group | 01857222 | 30/03/2000 | 06/05/2004 | Dissolved |
| HEYSER LIMITED | 10694589 | 28/03/2017 | 13/01/2021 | Bronze |
| KREAB LIMITED | 02560679 | 01/10/1999 | 01/08/2008 | Silver |
| LADIES EUROPEAN TOUR LIMITED | 02222839 | 24/08/1999 | 26/09/2002 | Silver |
| LADIES' EUROPEAN TOUR ENTERPRISES LIMITED | 03634497 | 09/07/1999 | 13/11/2001 | Dissolved |
| LIVE COMMUNICATION LIMITED | 03889814 | 12/05/2000 | 31/12/2008 | Dissolved |
| LORD'S TAVERNERS LIMITED(THE) | 00582579 | 24/04/2006 | 11/04/2011 | Bronze |
| OMNICOM EUROPE LIMITED | 04816192 | 31/07/2003 | 01/06/2009 | Bronze |
| OMNICOM FINANCE LIMITED | 01064095 | 01/10/1999 | 13/12/2001 | Gold |
| Omnicom Finance (Gb). | 03027070 | 01/10/1999 | 05/09/2001 | Dissolved |
| PORTER NOVELLI LIMITED | 01101649 | 01/10/1999 | 26/01/2001 | Bronze |
| PORTLAND PR EUROPE LIMITED | 04547776 | 31/01/2006 | 31/12/2008 | Bronze |
| Pauffley Ltd | 01793166 | 10/12/1992 | 31/12/2008 | Dissolved |
| Pleon Uk Ltd | 03123018 | 20/09/1999 | 04/10/2004 | Dissolved |
| RAPP LIMITED | 01581935 | 29/06/2001 | 01/08/2008 | Bronze |
| SCANIA (GREAT BRITAIN) LIMITED | 00831017 | 01/01/1999 | 22/02/2000 | Bronze |
| SMARTFUSION SV LIMITED | 04479040 | 01/07/2005 | 31/12/2008 | Dissolved |
| SPECIALIST PUBLICATIONS (UK) LIMITED | 00964145 | 01/01/2007 | 01/08/2008 | Dissolved |
| SPONSORSHIP CONSULTING LIMITED | 02446511 | 24/11/1991 | 06/03/1995 | Dissolved |
| TARGETBASE CLAYDON HEELEY LIMITED | 02421407 | 31/12/2002 | 01/07/2008 | Dissolved |
| TAYLOR BIRCHWOOD LIMITED | 02014369 | 01/10/1996 | 31/05/1999 | Gold |
| THE BEANSTALK GROUP UK LIMITED | 04159987 | 01/02/2006 | 31/12/2008 | Gold |
| THIRTY CLUB OF LONDON,LIMITED(THE) | 00167635 | 11/09/2012 | 08/09/2015 | Gold |
| WEAVE HEALTH LIMITED | 01491788 | 01/10/1999 | 01/08/2008 | Bronze |
| WOLFF OLINS LIMITED | 01945130 | 08/03/2007 | 31/12/2008 | One Red Flag |
| Wolff Olins Holdings | 03335604 | 31/05/2001 | 04/10/2006 | Dissolved |