| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Construction Industry Registers Ltd | 02516168 | 14/06/2000 | Dissolved |
| Happold Trust Publications Ltd | 03396685 | 02/07/1997 | Dissolved |
| NETHERFIELD ASSOCIATES LTD | 05721006 | 17/03/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BH GEOENVIRONMENTAL LIMITED | 01458850 | 04/03/1991 | 01/05/1994 | Gold |
| BRE TRUST | 03282856 | 20/02/2013 | 31/05/2018 | Silver |
| BURO HAPPOLD CONSULTING ENGINEERS LIMITED | 02005673 | 04/03/1991 | 01/05/1994 | Silver |
| BURO HAPPOLD ENGINEERS LIMITED | 02005893 | 01/11/1996 | 30/04/2006 | Gold |
| BURO HAPPOLD LIMITED | 02049511 | 13/12/1991 | 30/04/2006 | Silver |
| HAPPOLD MEDIA LIMITED | 02919771 | 20/04/1994 | 30/04/2006 | Dissolved |
| THE CONSTRUCTION INDUSTRY COUNCIL | 02388396 | 16/06/1999 | 11/06/2003 | Bronze |
| THEATRE ROYAL BATH LIMITED(THE) | 01416448 | 12/04/1994 | 11/01/2011 | Silver |
| TIMBER RESEARCH AND DEVELOPMENT ASSOCIATION | 00286895 | 04/07/2002 | 07/07/2005 | Not Trading |