| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Anglepine Ltd | 01910716 | 06/01/1993 | Dissolved |
| Complete Response Company (Holdings) Limited | 02260935 | 12/07/1993 | Dissolved |
| FRENO LTD | 04451038 | 01/04/2010 | Dissolved |
| M W I P LTD | 04645179 | 01/04/2010 | Dissolved |
| Sandpiper Communications Ltd | 03132711 | 01/12/1999 | Dissolved |
| Sandpiper Communications Ltd | 03132711 | 27/11/1995 | Dissolved |
| White Steel Howes Limited | 02238180 | 12/07/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Amx Studios Ltd | 02270435 | 06/01/1993 | 31/08/1997 | Dissolved |
| CGI LONDON LIMITED | 02190573 | 06/01/1993 | 31/08/1997 | Dissolved |
| CNLR HORIZONS LIMITED | 02271807 | 07/07/2006 | 29/03/2010 | Bronze |
| CNLR HORIZONS LIMITED | 02271807 | 29/06/2006 | 01/06/2009 | Bronze |
| Eric Communications Ltd | 02524698 | 02/01/1993 | 02/02/1998 | Dissolved |
| Eric Communications Ltd | 02524698 | 17/12/1997 | 02/02/1998 | Dissolved |
| FRENOCARBON LTD | 07635299 | 16/05/2011 | 30/06/2017 | Dissolved |
| H4B LONDON LIMITED | 03135539 | 07/12/1995 | 31/08/1999 | Bronze |
| H4B LONDON LIMITED | 03135539 | 17/12/1997 | 31/08/1999 | Bronze |
| HAVAS PR UK LIMITED | 01881448 | 02/02/1993 | 28/02/2006 | Gold |
| HAVAS PR UK LIMITED | 01881448 | 01/01/1994 | 28/02/2006 | Gold |
| LIGHTHOUSE IPR LTD | 09655062 | 30/06/2015 | 31/07/2017 | Dissolved |
| Leedex Euro R S C G Ltd | 02106271 | 31/08/1999 | 28/02/2006 | Dissolved |
| Leedex Euro R S C G Ltd | 02106271 | 31/08/1999 | 28/02/2006 | Dissolved |
| MAITLAND POLITICAL LIMITED | 05566516 | 19/10/2005 | 28/02/2006 | Dissolved |
| MAITLAND POLITICAL LIMITED | 05566516 | 29/09/2005 | 28/02/2006 | Dissolved |
| Omnium Financial Ltd | 03514142 | 20/02/1998 | 28/02/2006 | Dissolved |