| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CARRIG STONE CONSULTANTS UK LIMITED | 04707074 | 30/09/2009 | Dissolved |
| LONDON & STROUD LIMITED | 03916342 | 31/01/2000 | Dissolved |
| SANDOWN COURT (SOUTHPORT) LIMITED | 01345336 | 08/06/2015 | Silver |
| The-E-Shop.Co.Uk Ltd | 03948166 | 30/09/2009 | Dissolved |
| Whitby & Bird Mep Ltd | 05678763 | 30/09/2009 | Dissolved |
| Whitbybird Environmental Ltd | 05972032 | 30/09/2009 | Dissolved |
| Whitbybird International Ltd. | 05105840 | 30/09/2009 | Dissolved |
| Whitbybird Middle East Ltd. | 05104988 | 30/09/2009 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 03834250 LIMITED | 03834250 | 22/04/2002 | 24/11/2004 | Dissolved |
| FITZROVIA TRUST LIMITED(THE) | 01950030 | 18/06/2008 | 19/09/2012 | Bronze |
| PELL FRISCHMANN CONSULTANTS LIMITED | 01777946 | 01/04/2013 | 31/10/2016 | Silver |
| PF CONSULTING GROUP LTD. | 04403030 | 01/04/2013 | 31/10/2016 | Gold |
| RAMBOLL MIDDLE EAST LIMITED | 02019473 | 04/01/2010 | 03/09/2012 | One Red Flag |
| RAMBOLL UK LIMITED | 03659970 | 01/10/2000 | 03/09/2012 | Gold |
| RAMBOLL WHITBYBIRD HOLDINGS LIMITED | 04079634 | 27/02/2002 | 03/09/2012 | Not Trading |
| RYBKA SMITH GINSLER AND BATTLE LONDON LIMITED | 02526071 | 09/09/2009 | 03/09/2012 | Dissolved |
| Strategic Fire Engineering Ltd | 04833583 | 15/07/2003 | 13/07/2006 | Dissolved |