| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ASTROPHEL LIMITED LIABILITY PARTNERSHIP | OC334550 | 05/02/2008 | Silver |
| Blumberg Nichols Ltd | 05542423 | 22/08/2005 | Dissolved |
| Heckler Ltd | 02608001 | 01/06/2003 | Dissolved |
| N M A Communications Ltd | 02001620 | 20/07/1990 | Dissolved |
| Nichols Communications Ltd | 01882198 | 12/01/1992 | Dissolved |
| Nichols Communications Ltd | 01882198 | 12/01/1992 | Dissolved |
| Pro-Log Research Ltd | 03554925 | 07/05/1998 | Dissolved |
| Profile Public Relations Ltd | 03395266 | 27/09/2002 | Dissolved |
| THE KNOWLEDGE TRANSFORMATION COMPANY LIMITED | 07995243 | 19/03/2012 | Dissolved |
| Whiteoaks International Ltd | 04148951 | 08/02/2001 | Dissolved |
| nichols macomish maxim ltd | 02339571 | 20/07/1990 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Blumberg Nichols Ltd | 05542423 | 22/08/2005 | 26/02/2007 | Dissolved |
| CHCR ENTERPRISES LIMITED | 08261740 | 22/10/2012 | 16/02/2024 | Silver |
| Globalcom | 03531005 | 20/04/1998 | 30/09/1999 | Dissolved |
| IMAGECOURT LIMITED | 03278804 | 02/12/1996 | 10/06/2003 | Bronze |
| Moatwall Limited | 02582612 | 09/07/1992 | 29/01/1993 | Dissolved |
| THE MCONIE AGENCY LTD. | 03857368 | 26/05/2015 | 04/03/2020 | Silver |
| THE WHITE OAKS CONSULTANCY LIMITED | 02337741 | 03/08/1991 | 06/03/2008 | One Red Flag |
| WHITEOAKS INTERNATIONAL LIMITED | 03811535 | 14/10/1999 | 31/01/2008 | Not Trading |