| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BUTLERS MEWS (BLOCK B) MANAGEMENT COMPANY LIMITED | 02395806 | 31/03/2014 | Silver |
| CORBETT ALTMAN LIMITED | 04021432 | 15/06/2007 | Dissolved |
| CORBETT ALTMAN LIMITED | 04021432 | 04/11/2009 | Dissolved |
| JZB LIMITED | 03671626 | 04/11/2009 | Dissolved |
| MONTAGUE FELL RTM COMPANY LIMITED | 08535316 | 30/04/2017 | Dissolved |
| WILSON HAWKINS COMPANY SECRETARY SERVICES LIMITED | 07385343 | 23/09/2010 | Dissolved |
| WILSON HAWKINS HARROW ON THE HILL LIMITED | 06450037 | 10/03/2009 | Dissolved |
| WILSON HAWKINS INTERNATIONAL LIMITED | 06450050 | 10/03/2009 | Dissolved |
| WILSON HAWKINS SURVEYORS LIMITED | 06379807 | 26/06/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 19/21 MARSH LANE MANAGEMENT LIMITED | 01843082 | 29/04/2022 | 29/04/2022 | Silver |
| BUTLERS MEWS (BLOCK D) MANAGEMENT COMPANY LIMITED | 02395464 | 30/03/2019 | 25/03/2021 | Silver |
| BUTLERS MEWS (BLOCK E) MANAGEMENT COMPANY LIMITED | 02395458 | 01/03/2015 | 05/04/2017 | Silver |
| WILSON HAWKINS HARROW ON THE HILL LIMITED | 06450037 | 11/12/2007 | 10/03/2009 | Dissolved |
| WILSON HAWKINS HOLDINGS LIMITED | 06450051 | 11/12/2007 | 10/03/2009 | Not Trading |
| WILSON HAWKINS INTERNATIONAL LIMITED | 06450050 | 11/12/2007 | 10/03/2009 | Dissolved |
| WILSON HAWKINS LIMITED | 02461573 | 15/06/2007 | 01/01/2009 | Dissolved |
| WILSON HAWKINS PROPERTY MANAGEMENT LTD. | 06450045 | 11/12/2007 | 10/03/2009 | One Red Flag |
| WILSON HAWKINS PROPERTY MANAGEMENT LTD. | 06450045 | 10/03/2009 | 01/03/2024 | One Red Flag |
| ZTECH LIMITED | 06450033 | 11/12/2007 | 10/03/2009 | Amber |
| ZTECH LIMITED | 06450033 | 10/03/2009 | 01/01/2017 | Amber |