| LAWES, Nikita Kaushik ACTIVE | Secretary | 05 Mar 2026 | | | | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| HODGES, James Edward ACTIVE | Director | 16 Dec 2020 | | England | May 1977 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| MANSELL, James Douglas Colin ACTIVE | Director | 01 Jul 2025 | | United Kingdom | February 1984 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| WILLIAMS, Gareth Robert ACTIVE | Director | 21 Jul 2025 | | United Kingdom | September 1978 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| HODGES, James Edward RESIGNED | Secretary | 08 Jun 2020 | 08 Feb 2025 | | | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| KENWARD, Sally RESIGNED | Secretary | 08 Feb 2025 | 05 Mar 2026 | | | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| LOGAN, Christine Anne-Marie RESIGNED | Secretary | 16 Dec 2014 | 08 Jun 2020 | | | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| RICHARDSON, Elizabeth Anne RESIGNED | Secretary | 31 Dec 2001 | 16 Dec 2014 | | | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| SALTMARSH, Philip David RESIGNED | Secretary | 27 Oct 1995 | 01 Mar 1996 | | | 106 Broadwood Avenue, Ruislip, Middlesex, HA4 7XT |
| TAYLOR, Alec RESIGNED | Secretary | | 27 Oct 1995 | | | 36 High Beeches, Gerrards Cross, Buckinghamshire, SL9 7HX |
| WILSON, Paul James RESIGNED | Secretary | 01 Mar 1996 | 28 Dec 2001 | | | 47 Wordsworth Drive, Cheam, Surrey, SM3 8HE |
| ANDERSEN, Henning Lang RESIGNED | Director | 31 Jul 2012 | 24 May 2013 | United Kingdom | January 1963 | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| BROWN, Colin Carlyle Campbell RESIGNED | Director | | 31 Mar 1995 | | November 1940 | Little Bower, 10 Nuns Walk, Virginia Water, Surrey, GU25 4RT |
| CHANDLER, Allan Illingworth RESIGNED | Director | 19 Apr 1995 | 30 Jun 2000 | | February 1946 | 95 Silverdale Avenue, Walton On Thames, Surrey, KT12 1EJ |
| CLEMENTS, Patrick Norris, Dr RESIGNED | Director | 03 Jun 2013 | 30 Apr 2016 | United Kingdom | July 1964 | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| COBB, Anthony Farley RESIGNED | Director | 30 Nov 1999 | 28 Feb 2003 | England | April 1944 | Woodstock, Mays Green Harpsden, Henley On Thames, Oxfordshire, RG9 4AL |
| DAVIES, Candida Jane RESIGNED | Director | 31 Jul 2012 | 13 Dec 2017 | United Kingdom | December 1973 | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| DAWAR, Manish RESIGNED | Director | 26 Nov 2010 | 31 Jul 2012 | United Kingdom | December 1965 | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| DAY, Colin Richard RESIGNED | Director | 23 Apr 2001 | 08 Feb 2011 | England | March 1955 | The Beeches, 17 Stratton Road, Beaconsfield, Buckinghamshire, HP9 1HR |
| DIXON, John Charles RESIGNED | Director | 21 May 2021 | 11 Sep 2023 | United Kingdom | May 1956 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| DOBBIE, Iain George RESIGNED | Director | | 31 Mar 1998 | | October 1937 | Cedar Ridge 218 Upper Chobham Road, Camberley, Surrey, GU15 1HD |
| EDWARDS, Simon Jeremy RESIGNED | Director | 26 Feb 2003 | 11 Dec 2013 | United Kingdom | April 1961 | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| GREENSMITH, Richard Mark RESIGNED | Director | 14 Feb 2024 | 21 Jul 2025 | England | June 1973 | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| GREENSMITH, Richard Mark RESIGNED | Director | 21 Apr 2016 | 21 May 2021 | England | June 1973 | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| HOLDRUP, Richard Edmund Francis RESIGNED | Director | 17 May 2000 | 09 Apr 2001 | | February 1954 | 9 Chinnocks Wharf, 42 Narrow Street, London, E14 8DJ |
| JONES, Jonathan Hugh RESIGNED | Director | 26 Jun 2000 | 24 Feb 2003 | | July 1956 | 28 Colebrooke Avenue, Ealing, London, W13 8JY |
| KEELEY, Martin Spencer RESIGNED | Director | 30 Jan 2009 | 28 Apr 2012 | United Kingdom | March 1956 | Kenmore, Devenish Road, Sunningdale, Berkshire, SL5 9PF |
| MARTEL, Timothy John RESIGNED | Director | 08 Jun 2020 | 14 Feb 2024 | United Kingdom | January 1975 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| MAYDON, Peter John RESIGNED | Director | | 27 Mar 1997 | United Kingdom | March 1942 | White Cottage, North Heath Chieveley, Newbury, Berkshire, RG20 8UA |
| MORDAN, William Richard RESIGNED | Director | 31 Jul 2012 | 01 Oct 2015 | United Kingdom | September 1969 | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| NEVILLE, Simon Andrew RESIGNED | Director | 21 Aug 2017 | 01 Jul 2020 | United Kingdom | October 1957 | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| PEACH, Alasdair James RESIGNED | Director | 20 Jul 2020 | 16 Dec 2020 | United Kingdom | June 1970 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| PICKSTONE, Stephen Christopher Andrew RESIGNED | Director | 14 Feb 2024 | 01 Jul 2025 | England | February 1978 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| SALTMARSH, Philip David RESIGNED | Director | | 26 Jun 2000 | | August 1939 | 106 Broadwood Avenue, Ruislip, Middlesex, HA4 7XT |
| SCRIMSHAW, Jeremy Peter RESIGNED | Director | 19 Apr 1995 | 31 Jan 1997 | | March 1947 | Orhcard Farm Main Street, Great Kelk, Driffield, North Humberside, YO25 8HN |
| TIMMIS, Jonathan RESIGNED | Director | 16 Mar 2018 | 08 Jun 2020 | England | June 1975 | 103-105 Bath Road, Slough, Berkshire, SL1 3UH |
| TOOHEY, Jonathan Keith RESIGNED | Director | 26 Feb 2003 | 09 Apr 2003 | England | May 1964 | 4 Dale Gardens, Sandhurst, Berkshire, GU47 8LA |
| TURRELL, Michael Frederick RESIGNED | Director | 01 Apr 1997 | 10 Dec 1999 | | July 1943 | Meadow Vale Lodge, Stokesheath Road, Oxshott, Surrey, KT22 0PS |
| WILSON, Mark Raymond RESIGNED | Director | 09 Apr 2003 | 30 Jan 2009 | | February 1968 | 37 Balmoral Gardens, Windsor, Berkshire, SL4 3SG |