| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COBAN 2017 LLP | OC334522 | 10/07/2012 | Gold |
| HISTORIC HOUSES ASSOCIATION | 02001057 | 11/03/2020 | Gold |
| JAMES HOLLAND-HIBBERT LIMITED | 04247584 | 06/07/2001 | Bronze |
| MUNDEN ASSOCIATES LIMITED | 08130937 | 05/07/2012 | Gold |
| ST ALBANS DIOCESAN PROPERTY COMPANY LIMITED | 08899302 | 11/08/2014 | Gold |
| THE PORTMAN ESTATE NOMINEES (ONE) LIMITED | 05175327 | 16/12/2004 | Not Trading |
| THE PORTMAN ESTATE NOMINEES (TWO) LIMITED | 05175370 | 16/12/2004 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| COBAN 2017 LLP | OC334522 | 01/05/2008 | 30/04/2012 | Gold |
| COBAN 2017 SERVICES LIMITED | 01759787 | 01/07/1993 | 16/09/2010 | Dissolved |
| Lane Fox (Hungerford) Ltd | 02900324 | 21/02/1994 | 21/05/1998 | Dissolved |