| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AACR LIMITED | 03520095 | 01/12/2000 | Dissolved |
| AAL EMPLOYEE OWNERSHIP TRUSTEE LIMITED | 11645739 | 26/10/2018 | Amber |
| ASSAEL ARCHITECTURE GULF STATES LIMITED | 05651535 | 12/12/2005 | One Red Flag |
| ASSAEL ARCHITECTURE LIMITED | 02933452 | 26/05/1994 | Silver |
| ASSAEL LIMITED | 06747675 | 12/11/2008 | Amber |
| LADYGREY ESTATES PLC | 02373235 | 05/11/1991 | Dissolved |
| LADYGREY PROPERTY ADVISORS LTD | 02371194 | 05/11/1991 | Amber |
| RIGHTSIZER LIMITED | 11977685 | 03/05/2019 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARCHITECTS BENEVOLENT SOCIETY | 01084747 | 09/06/2004 | 16/06/2021 | Bronze |
| ASSAEL ARCHITECTURE INTERNATIONAL LIMITED | 12015396 | 24/05/2019 | 31/12/2023 | One Red Flag |
| ASSAEL ARCHITECTURE UK LIMITED | 13014199 | 12/11/2020 | 31/12/2023 | Bronze |
| ASSAEL INTERIORS LIMITED | 03034875 | 11/11/2010 | 31/12/2023 | Silver |
| OLD JOURNALS LIMITED | 02775655 | 01/10/2003 | 23/08/2010 | Dissolved |
| RIBA 1834 LIMITED | 04604934 | 14/12/2006 | 20/01/2012 | Amber |
| RIBA FINANCIAL SERVICES LIMITED | 04604947 | 01/09/2008 | 24/09/2015 | Bronze |