| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DEVERE PROPERTIES LONDON LTD | 06231063 | 09/05/2007 | Silver |
| De Vere Corporation Ltd. | 02935919 | 26/07/1994 | Dissolved |
| GROVE PLACE RESIDENTS ASSOCIATION (HATFIELD) LIMITED | 02493580 | 10/02/2009 | Silver |
| HADRIAN COURT FREEHOLD LIMITED | 03935961 | 04/11/2005 | Silver |
| HADRIAN COURT MANAGEMENT CO. LIMITED | 02053434 | 04/11/2005 | Silver |
| PERRY MEAD MANAGEMENT COMPANY LIMITED | 03651140 | 30/06/1999 | Silver |
| THE FORGE (COOPERS LANE) CO. LIMITED | 04559468 | 10/10/2002 | Not Trading |
| THE OAKS (FURZEHILL ROAD) MANAGEMENT CO. LIMITED | 05545445 | 24/08/2005 | Not Trading |
| THE SOMERSET ROAD MANAGEMENT COMPANY LIMITED | 02192994 | 27/08/1999 | Silver |
| WOODSIDE COURT (HOLTWHITES HILL) LIMITED | 07286672 | 02/01/2013 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| SADLERS ESTATE & PROPERTY MANAGEMENT SPECIALISTS LTD | 04122388 | 01/04/2001 | 31/12/2002 | Gold |
| SALISBURY COURT (BARNET) MANAGEMENT COMPANY LIMITED | 01666433 | 22/06/1999 | 31/05/2014 | Gold |
| YATTSDALE FLAT MANAGEMENT COMPANY LIMITED | 01619015 | 04/06/2013 | 10/12/2024 | Silver |