| EGAN, Giles Edward ACTIVE | Secretary | 28 Nov 2024 | | | | W Hallett & Co, 6 Royal Parade Station Approach, Kew Gardens, Surrey, TW9 3QD |
| CETNAROWICZ, Janusz George Zygmunt ACTIVE | Director | 02 Nov 2016 | | England | November 1956 | W Hallett & Co, 6 Royal Parade Station Approach, Kew Gardens, Surrey, TW9 3QD |
| FIGURES, Nicholas John ACTIVE | Director | 03 Nov 2004 | | United Kingdom | April 1964 | W Hallett & Co, 6 Royal Parade Station Approach, Kew Gardens, Surrey, TW9 3QD |
| FIGURES, Nicholas John RESIGNED | Secretary | 03 Nov 2004 | 27 Nov 2024 | | | W Hallett & Co, 6 Royal Parade Station Approach, Kew Gardens, Surrey, TW9 3QD |
| HUGHESMAN, Anthony Trevor RESIGNED | Secretary | | 29 Apr 1994 | | | Flat 3 Branstone Court, Richmond, Surrey, TW9 3LF |
| MACKLIN, Justin Nicholas RESIGNED | Secretary | 04 Aug 1994 | 08 Jan 1997 | | | 2 Branstone Court, Kew Road, Richmond, Surrey, TW9 3LF |
| WRIGHT, Ashley David RESIGNED | Secretary | 17 Apr 2002 | 03 Nov 2004 | | | 3 Branstone Court, Branstone Road, Kew, TW9 3LF |
| WRIGHT, Julia RESIGNED | Secretary | 08 Jan 1997 | 17 Apr 2002 | | | 1b Branstone Road, Kew Gardens, Richmond, Surrey, TW9 3LB |
| HUGHESMAN, Anthony Trevor RESIGNED | Director | | 29 Apr 1994 | | September 1959 | Flat 3 Branstone Court, Richmond, Surrey, TW9 3LF |
| MACKLIN, Justin Nicholas RESIGNED | Director | 04 Aug 1994 | 08 Jan 1997 | | February 1962 | 2 Branstone Court, Kew Road, Richmond, Surrey, TW9 3LF |
| MARRITT, John RESIGNED | Director | 20 Nov 2003 | 19 Nov 2019 | United Kingdom | June 1938 | Flat 12 Branstone Court, Kew Road, Richmond, Surrey, TW9 3LE |
| SHARPE, Ian Leonard RESIGNED | Director | 19 Nov 2019 | 02 Dec 2025 | England | July 1946 | W Hallett & Co, 6 Royal Parade Station Approach, Kew Gardens, Surrey, TW9 3QD |
| SHARPE, Ian Leonard RESIGNED | Director | 28 Apr 2006 | 21 Oct 2008 | England | July 1946 | 6 Fitzwilliam Avenue, Kew, Richmond, Surrey, TW9 2DQ |
| SHARPE, Johanna Nuala RESIGNED | Director | 21 Oct 2008 | 16 Nov 2017 | United Kingdom | December 1946 | 6 Fitzwilliam Avenue, Kew, Richmond, Surrey, TW9 2DQ |
| TALBOT, Peter Arthur RESIGNED | Director | | 28 Apr 2006 | | October 1925 | 10 Branstone Court, Branstone Road, Richmond, Surrey, TW9 3LE |
| WRIGHT, Ashley David RESIGNED | Director | 20 Nov 2003 | 03 Nov 2004 | | August 1966 | 3 Branstone Court, Branstone Road, Kew, TW9 3LF |
| WRIGHT, Julia RESIGNED | Director | 08 Jan 1997 | 17 Apr 2002 | | February 1941 | 1b Branstone Road, Kew Gardens, Richmond, Surrey, TW9 3LB |