| FINCHAM, Matthew ACTIVE | Director | 08 Apr 2025 | | United Kingdom | November 1989 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| FRIEDMAN, Timothy William ACTIVE | Director | 17 Dec 2024 | | United Kingdom | May 1970 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| BULLIMORE, Simon RESIGNED | Secretary | 16 Oct 1991 | 04 Nov 1992 | | | 46 Bathurst Mews, London, W2 2SB |
| GUTHRIE-BROWN, Stuart RESIGNED | Secretary | | 03 Mar 2006 | | | Wealdcote Wigley Bush Lane, South Weald, Brentwood, Essex, CM14 5QN |
| JORDAN, Margaret Alison RESIGNED | Secretary | 03 Mar 2006 | 06 Jul 2012 | | | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| WILLIAMS, Carol RESIGNED | Secretary | 06 Jul 2012 | 29 Dec 2017 | | | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| BROCKMAN, Keith RESIGNED | Director | 15 Dec 2014 | 25 May 2016 | United Kingdom | May 1956 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| BULLIMORE, Simon RESIGNED | Director | | 12 Mar 1998 | | March 1942 | 46 Bathurst Mews, London, W2 2SB |
| ENEVOLDSEN, Gillian Mary RESIGNED | Director | 20 Feb 2009 | 28 Jan 2020 | Belgium | December 1962 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| GUTHRIE-BROWN, Stuart RESIGNED | Director | | 15 Dec 2014 | United Kingdom | April 1948 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| HAINES, David James RESIGNED | Director | 09 Aug 2016 | 14 Aug 2019 | England | May 1969 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| HALLATT, Anthony Peter RESIGNED | Director | | 21 Jul 1995 | | December 1934 | The Grove, Castle Acre, Kings Lynn, Norfolk, PE32 2BO |
| HARRIS, Richard Charles William RESIGNED | Director | 12 Mar 1998 | 19 Aug 2002 | | April 1950 | 30 Ashwell Road, Oakham, Leicestershire, LE15 6QG |
| JORDAN, Margaret Alison RESIGNED | Director | 19 Aug 2002 | 06 Jul 2012 | England | February 1952 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| KIMBERLEY, Helen Michelle RESIGNED | Director | 17 Dec 2024 | 08 Apr 2025 | United Kingdom | January 1981 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| LANGER, Ian James RESIGNED | Director | 15 Dec 2014 | 02 Jul 2021 | United Kingdom | November 1965 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| PARTON, Andrew Richard RESIGNED | Director | 09 Aug 2016 | 12 Mar 2024 | United Kingdom | January 1968 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| WILLIAMS, Carol RESIGNED | Director | 06 Jul 2012 | 29 Dec 2017 | United Kingdom | December 1957 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |