| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Cabe Education Foundation | 04430493 | 02/11/2004 | Dissolved |
| Commission for Architecture & The Built Environment | 03831652 | 11/03/2002 | Dissolved |
| JANE WERNICK ASSOCIATES EMPLOYEE BENEFIT TRUSTEE LIMITED | 07277239 | 15/06/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CULLINAN STUDIO LTD | 02383808 | 26/11/1991 | 15/07/2020 | One Red Flag |
| Construction Industry Registers Ltd | 02516168 | 16/06/1999 | 14/06/2000 | Dissolved |
| JANE WERNICK ASSOCIATES EMPLOYEE BENEFIT TRUSTEE LIMITED | 07277239 | 15/06/2010 | 08/06/2011 | Dissolved |
| NATIONAL HOUSE-BUILDING COUNCIL | 00320784 | 12/06/2007 | 11/06/2014 | Bronze |
| NHBC SERVICES LIMITED | 03067703 | 20/02/2008 | 03/05/2013 | Gold |
| OLD JOURNALS LIMITED | 02775655 | 03/03/1993 | 16/07/1997 | Dissolved |
| STEEL CONSTRUCTION INSTITUTE(THE) | 01916698 | 13/11/1996 | 31/05/1999 | Bronze |
| THE CONSTRUCTION INDUSTRY COUNCIL | 02388396 | 13/06/1995 | 13/06/2001 | Bronze |
| THE RED HOUSE COMPANY LIMITED | 02555144 | 16/03/2007 | 21/06/2016 | Silver |