| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| APSLEY DEVELOPMENTS LIMITED | 03326072 | 28/02/1997 | Gold |
| BEECHWOOD HOMES (WESTERN) LIMITED | 08218923 | 18/09/2012 | Dissolved |
| BEECHWOOD HOMES LIMITED | 00933426 | 31/01/1992 | Amber |
| BIG BOX COMPANY DEVELOPMENTS LIMITED | 11356788 | 11/05/2018 | Not Trading |
| BIG BOX COMPANY SERVICES LIMITED | 10314733 | 05/08/2016 | Silver |
| BLACKSMITH COURT MANAGEMENT LTD | 07640293 | 19/05/2011 | Dissolved |
| Beechwood Homes (Construction) Ltd | 00703880 | 31/01/1992 | Dissolved |
| FIRSTEP LIMITED | 06705486 | 23/09/2008 | Dissolved |
| Finlinson & Partners Ltd | 00583164 | 31/01/1992 | Dissolved |
| Finlinson Properties Ltd | 01045923 | 31/01/1992 | Dissolved |
| King's Langley Mills,Limited | 00351414 | 31/01/1992 | Dissolved |
| MEADOW SIDE MANAGEMENT LIMITED | 04151068 | 01/12/2008 | Dissolved |
| NYCOLLES WOOD MANAGEMENT COMPANY LIMITED | 07925077 | 26/01/2012 | Dissolved |
| OSPREY HOMES (CENTRAL) LIMITED | 10604715 | 07/02/2017 | Silver |
| OSPREY HOMES (EASTERN) LIMITED | 10604953 | 07/02/2017 | Not Trading |
| OSPREY HOMES (SOUTH EAST) LIMITED | 07723326 | 29/07/2011 | Bronze |
| PARKER LAND LLP | OC333550 | 12/12/2007 | Bronze |
| Piccotts End Mill Ltd | 00345713 | 31/01/1992 | Dissolved |
| WALCHRA COURT MANAGEMENT LIMITED | 09146884 | 24/07/2014 | Dissolved |
| WATLING STREET RESIDENTS LIMITED | 09911643 | 10/12/2015 | Amber |
| Watford Model Laundry Ltd. | 00150141 | 31/01/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Boundnight Ltd | 02159798 | 28/05/1992 | 05/07/1995 | Dissolved |
| Cranmead Developments Ltd | 02883513 | 16/06/1998 | 03/03/2006 | Dissolved |
| FINLINSON (HOLDINGS) LIMITED | 01249266 | 31/01/1992 | 31/01/1994 | Gold |
| FINWAY COURT MANAGEMENT LIMITED | 01894004 | 05/09/1991 | 31/01/1994 | Amber |
| GADE HOMES LIMITED | 01007961 | 31/01/1992 | 31/01/1994 | One Red Flag |
| GREAT OFFLEY MANAGEMENT COMPANY LIMITED | 08432158 | 06/03/2013 | 01/11/2016 | Gold |
| MARSHAL'S COURT MANAGEMENT COMPANY LIMITED | 02561833 | 23/11/1991 | 14/06/1992 | Amber |
| Orbital Developments Ltd | 01029599 | 31/01/1992 | 25/05/1995 | Dissolved |
| PLOT 2100 MANAGEMENT LIMITED | 08268420 | 19/10/2021 | 10/05/2023 | Not Trading |
| SHIRE END CLOSE MANAGEMENT COMPANY LIMITED | 10390607 | 22/09/2016 | 16/10/2017 | Gold |
| STANBOROUGH LEISURE LIMITED | 03378902 | 30/05/1997 | 02/03/2021 | One Red Flag |
| WESTON CLOSE MANAGEMENT COMPANY LIMITED | 02939800 | 05/09/1994 | 09/09/2015 | Not Trading |
| WESTON CLOSE MANAGEMENT COMPANY LIMITED | 02939800 | 05/09/1994 | 09/09/2015 | Not Trading |