| LAWES, Nikita Kaushik ACTIVE | Secretary | 05 Mar 2026 | | | | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| HODGES, James Edward ACTIVE | Director | 14 Feb 2024 | | England | May 1977 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| MANSELL, James Douglas Colin ACTIVE | Director | 08 Oct 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 |
| BUXTON SMITH, Maria Rita RESIGNED | Secretary | 30 Sep 2005 | 01 Nov 2010 | | | Ssl International Plc, 35 New Bridge Street, Lond0n, EC4V 6BW |
| GOULD, John Roger Beresford RESIGNED | Secretary | | 01 Jun 1999 | | | 4 The Park, Grasscroft, Oldham, Lancashire, OL4 4ES |
| HODGES, James Edward RESIGNED | Secretary | 08 Jun 2020 | 08 Feb 2025 | | | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| JOWETT, Jonathan David RESIGNED | Secretary | 01 Jun 1999 | 30 Sep 2004 | | | 43 Armistead Way, Cranage, Crewe, Cheshire, CW4 8FE |
| KENWARD, Sally RESIGNED | Secretary | 08 Feb 2025 | 05 Mar 2026 | | | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, England |
| LOGAN, Christine Anne-Marie RESIGNED | Secretary | 16 Dec 2014 | 08 Jun 2020 | | | 103-105, Bath Road, Slough, Berkshire, SL1 3UH |
| MANNION, Antony Clive Patrick RESIGNED | Secretary | 30 Sep 2004 | 30 Sep 2005 | | | Castle Farm, Mountfield, East Sussex, TN32 5JU |
| RICHARDSON, Elizabeth Anne RESIGNED | Secretary | 01 Nov 2010 | 16 Dec 2014 | | | 103-105, Bath Road, Slough, Berkshire, SL1 3UH |
| ANDERSEN, Henning Lang RESIGNED | Director | 31 Jul 2012 | 24 May 2013 | United Kingdom | January 1963 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH |
| BUCHAN, Brian John RESIGNED | Director | 12 Mar 2001 | 23 Mar 2004 | England | May 1952 | Manor Farmhouse, Fyfield, Abingdon, Oxfordshire, OX13 5LR |
| BUXTON-SMITH, Maria Rita, Dr RESIGNED | Director | 23 Jul 2008 | 01 Nov 2010 | | April 1965 | Ssl International Plc, 35 New Bridge Street, London, Bucks, EC4V 6BW |
| CAIZZONE, Salvatore RESIGNED | Director | 08 Aug 2011 | 14 May 2012 | United Kingdom | June 1964 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH |
| CATER, Iain Charles Douglas RESIGNED | Director | | 19 Feb 2001 | | January 1952 | The Orchard The Avenue, Hale, Altrincham, Cheshire, WA15 0LX |
| CLEMENTS, Patrick Norris, Dr RESIGNED | Director | 03 Jun 2013 | 30 Apr 2016 | United Kingdom | July 1964 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH |
| COLLYER, Graham John RESIGNED | Director | 09 Nov 1999 | 29 May 2001 | England | September 1960 | Bowden Head Farmhouse, Bowden Lane Chapel En Le Frith, Stockport, Derbyshire, SK23 0QP |
| DAVIES, Candida Jane RESIGNED | Director | 31 Jul 2012 | 13 Dec 2017 | United Kingdom | December 1973 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH |
| DAVIS, Shaun Kevin RESIGNED | Director | 25 Mar 2004 | 01 Nov 2010 | Gb-Eng | January 1958 | Ssl International Plc, 35 New Bridge Street, London, EC4V 6BW |
| DAWAR, Manish RESIGNED | Director | 01 Nov 2010 | 31 Jul 2012 | United Kingdom | December 1965 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH |
| DWYER, Robert Charles RESIGNED | Director | 27 Mar 2002 | 31 May 2003 | England | May 1948 | Little Birches, 22 Woodend Drive, Ascot, Berkshire, SL5 9BG |
| EDWARDS, Simon Jeremy RESIGNED | Director | 08 Feb 2011 | 11 Dec 2013 | United Kingdom | April 1961 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH |
| GEORGE, Dieno RESIGNED | Director | 09 Nov 1999 | 29 May 2001 | | July 1956 | Holsworthy Farm Boots Green, Allostock, Knutsford, Cheshire, WA16 9NU |
| GOULD, John Roger Beresford RESIGNED | Director | | 30 Sep 1999 | United Kingdom | January 1940 | 4 The Park, Grasscroft, Oldham, Lancashire, OL4 4ES |
| GREENSMITH, Richard Mark RESIGNED | Director | 21 Apr 2016 | 21 Jul 2025 | England | June 1973 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH |
| HUMPHREYS, Roger Owen RESIGNED | Director | 01 Mar 1995 | 31 Oct 1997 | | March 1961 | Squirrels Chase 23 Park Road, Disley, Stockport, Cheshire, SK12 2NA |
| JOWETT, Jonathan David RESIGNED | Director | 29 May 2001 | 30 Sep 2004 | United Kingdom | November 1962 | 43 Armistead Way, Cranage, Crewe, Cheshire, CW4 8FE |
| KEELEY, Martin Spencer RESIGNED | Director | 01 Nov 2010 | 08 Aug 2011 | United Kingdom | March 1956 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH |
| MANNION, Antony Clive Patrick RESIGNED | Director | 17 Nov 2004 | 01 Nov 2010 | United Kingdom | February 1961 | Ssl International Plc, 35 New Bridge Street, London, EC4V 6BW |
| 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 |
| MORAN, Mark RESIGNED | Director | 05 Aug 2004 | 01 Nov 2010 | United Kingdom | April 1960 | Ssl International Plc, 35 New Bridge Street, London, EC4V 6BW, England |
| MORDAN, William Richard RESIGNED | Director | 01 Nov 2010 | 01 Oct 2015 | United Kingdom | September 1969 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH |
| PEACH, Alasdair James RESIGNED | Director | 20 Aug 2019 | 22 Dec 2021 | United Kingdom | June 1970 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| PICKSTONE, Stephen Christopher Andrew RESIGNED | Director | 22 Dec 2021 | 08 Oct 2025 | United Kingdom | February 1978 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| PILKINGTON, Michael John RESIGNED | Director | 31 May 2002 | 22 Mar 2007 | United Kingdom | April 1961 | 41 Woodside Lane, Poynton, Cheshire, SK12 1BB |
| SANDERS, Paul Antony RESIGNED | Director | 01 Nov 1997 | 30 Nov 2000 | | August 1964 | 3 Roseneath, Sandringham Park, Bramhall, Cheshire, SK7 3LP |
| SLATER, Andrew RESIGNED | Director | 29 May 2001 | 30 Apr 2003 | | October 1947 | Orwell Dene, Levington Road, Nacton, Suffolk, IP10 0EJ |
| STOLLER, Norman Kelvin RESIGNED | Director | | 11 Oct 1999 | United Kingdom | September 1934 | Inarush Garsdale Lane, Lostock, Bolton, Lancashire, BL1 5XW |
| TIMMIS, Jonathan RESIGNED | Director | 13 Dec 2017 | 08 Jun 2020 | England | June 1975 | 103-105, Bath Road, Slough, Berkshire, SL1 3UH, United Kingdom |
| WATTS, Garry RESIGNED | Director | 19 Feb 2001 | 01 Nov 2010 | United Kingdom | December 1956 | 35, New Bridge Street, London, EC4V 6BW |