| YELLOWSTONE PROPERTIES LIMITED ACTIVE | Secretary | 01 Jun 2013 | | | | 19, Sunnyside Road, London, W5 5HT, England |
| DHARM-DATTA, Shreshth, Dr ACTIVE | Director | 10 Dec 2008 | | England | March 1977 | 19, Sunnyside Road, London, W5 5HT |
| GROSE, Richard John ACTIVE | Director | | | England | June 1946 | 19, Sunnyside Road, London, W5 5HT |
| GROSE, Richard John RESIGNED | Secretary | | 01 Jun 2013 | | | 12 Marilea Court, London, W5 5ET |
| MCPHERSON, Linda Jean RESIGNED | Secretary | | 01 Jun 2013 | | | 2 Marilea Court, London, W5 5ET |
| BAKER, Alma Beatrice RESIGNED | Director | | 31 Jan 2007 | | July 1919 | 1 Marilea Court, London, W5 5ET |
| EDGAR, Edna Alexander RESIGNED | Director | | 06 Apr 1998 | | March 1915 | 11 Marilea Court, London, W5 5ET |
| EMETT, Jeremy John RESIGNED | Director | 22 Jan 2001 | 31 Aug 2003 | | February 1948 | 8 Marilea Court, St Marys Road, London, W5 5ET |
| GREEN, David Charles Stafford RESIGNED | Director | 08 Mar 2017 | 09 Apr 2026 | England | November 1958 | 19, Sunnyside Road, London, W5 5HT |
| LEWINGTON, Josephine Mary RESIGNED | Director | 31 Jan 2007 | 17 Dec 2012 | England | October 1956 | Flat 8, Marilea Court St. Marys Road, London, W5 5ET |
| MCPHERSON, Linda Jean RESIGNED | Director | | 01 Oct 2022 | England | February 1944 | 19, Sunnyside Road, London, W5 5HT |
| MEADOWS, Hilda Catherine RESIGNED | Director | | 10 Dec 2008 | | February 1925 | 7 Marilea Court, London, W5 5ET |