| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| PRIME PROJECT MANAGEMENT LIMITED | 05532600 | 16/02/2006 | Dissolved |
| ROCKHOLD AYLESBURY LIMITED | 15718000 | 13/05/2024 | Amber |
| ROCKHOLD DUNMOW LIMITED | 12838443 | 26/08/2020 | Silver |
| ROCKHOLD EPPING ROAD LIMITED | 05738144 | 02/12/2016 | Dissolved |
| ROCKHOLD KEW LIMITED | 12569625 | 23/04/2020 | One Red Flag |
| ROCKHOLD LIMITED | 09589115 | 21/08/2015 | Bronze |
| ROCKHOLD WALPOLE LIMITED | 15714140 | 11/05/2024 | Amber |
| ROCKHOLD WESTBERE LIMITED | 10905081 | 08/08/2017 | Dissolved |
| SUN & HARROW LTD | 09732264 | 09/10/2015 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| JAMES TAYLOR HOMES (CHISWICK) LTD | 07888077 | 01/03/2013 | 25/11/2016 | Dissolved |
| JAMES TAYLOR HOMES LIMITED | 06568450 | 01/03/2013 | 19/08/2015 | Silver |
| THORLEY BARNS LIMITED | 15557682 | 12/03/2024 | 27/06/2024 | Amber |