| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Carock Holdings Ltd | 04559656 | 10/10/2002 | Dissolved |
| Carock Holdings Ltd | 04559656 | 10/10/2002 | Dissolved |
| GLYN CARTWRIGHT ASSOCIATES LIMITED | 05288189 | 16/11/2004 | Silver |
| LIQUID ROOFING SYSTEMS LTD | 06963012 | 14/12/2009 | Bronze |
| THE CONSULTANCY ACADEMY LIMITED | 06474938 | 30/07/2010 | One Red Flag |
| The Independent Nationwide Federation of Rooflight Manufactu | 03468086 | 07/01/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BEAMLOCK BUILDING SYSTEMS LIMITED | 05384997 | 10/04/2006 | 31/05/2006 | Dissolved |
| Hilbre Laboratories Ltd | 02861183 | 26/01/1994 | 13/06/1997 | Dissolved |
| IKO PLC | 02678296 | 26/01/1994 | 13/06/1997 | Gold |
| JET COX LTD. | 00229110 | 01/12/2000 | 31/10/2002 | One Red Flag |
| LIQUID RUBBER GREAT BRITAIN LIMITED | 05237846 | 22/06/2007 | 08/02/2010 | Silver |
| Ruberoid Roofplan Ltd | 02861001 | 15/03/1995 | 13/06/1997 | Dissolved |
| SYNTHOMER (UK) LIMITED | 00872262 | 30/06/1997 | 04/05/2000 | Gold |