| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ARTICLE 25 | 05608022 | 31/10/2005 | Silver |
| J B PRINGLE LTD | 07209903 | 31/03/2010 | Dissolved |
| PRINGLE BRANDON DEVELOPMENTS LIMITED | 03680722 | 09/12/1998 | Dissolved |
| Pringle Brandon Consulting Ltd | 03842543 | 16/09/1999 | Dissolved |
| THE PB PARTNERSHIP LLP | OC312307 | 01/07/2010 | Dissolved |
| THE PBD PARTNERSHIP LLP | OC358651 | 13/10/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| RIBA 1834 LIMITED | 04604934 | 01/07/2003 | 31/08/2008 | Amber |
| RIBA FINANCIAL SERVICES LIMITED | 04604947 | 01/01/2003 | 01/09/2005 | Bronze |
| RIBA TRUST LIMITED | 04604923 | 01/09/2005 | 31/08/2007 | Dissolved |
| THE CONSTRUCTION INDUSTRY COUNCIL | 02388396 | 09/06/2009 | 11/06/2015 | Bronze |
| WIRED ARCHITECTS LIMITED | 06829496 | 25/02/2009 | 30/06/2012 | Dissolved |
| ZU DEVELOPMENTS LIMITED | 11102974 | 08/12/2017 | 17/06/2019 | Dissolved |
| ZU PROPERTY SERVICES LIMITED | 11178634 | 30/01/2018 | 17/06/2019 | Dissolved |