| FINCHAM, Matthew ACTIVE | Director | 08 Apr 2025 | | United Kingdom | November 1989 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| FRIEDMAN, Timothy William ACTIVE | Director | 05 Apr 2022 | | United Kingdom | May 1970 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| KINDRED, Richard John William ACTIVE | Director | 08 Apr 2025 | | Northern Ireland | April 1982 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| WOOD, Kajal ACTIVE | Director | 05 May 2021 | | United Kingdom | July 1981 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| FRANCIS, Jane Virginia RESIGNED | Secretary | 18 Feb 1999 | 03 Feb 2005 | | | Lisheen, Camden Road, Maidenhead, Berkshire, SL6 6HA |
| GUTHRIE-BROWN, Stuart RESIGNED | Secretary | 18 Feb 1999 | 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 |
| SELBY, Helen Kathryn RESIGNED | Secretary | 10 Dec 2019 | 20 Mar 2020 | | | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| WILLIAMS, Carol RESIGNED | Secretary | 06 Jul 2012 | 29 Dec 2017 | | | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| SISEC LIMITED RESIGNED | Nominee Secretary | 24 Dec 1998 | 18 Feb 1999 | | | 21 Holborn Viaduct, London, EC1A 2DY |
| BLAZA, Sandra Elizabeth, Dr RESIGNED | Director | 03 Feb 2000 | 09 Feb 2001 | United Kingdom | February 1954 | The Old Vicarage, Church Road Burley, Oakham, Leicestershire, LE15 7SU |
| BROCKMAN, Keith RESIGNED | Director | 15 Dec 2014 | 25 May 2016 | United Kingdom | May 1956 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| ENEVOLDSEN, Gillian Mary RESIGNED | Director | 23 Oct 2006 | 28 Jan 2020 | Belgium | December 1962 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| GALLACHER, Michael James RESIGNED | Director | 08 Jan 2004 | 19 Sep 2005 | | February 1966 | Orchard House, The Street, Mortimer, Berkshire, RG7 3RD |
| GUTHRIE-BROWN, Stuart RESIGNED | Director | 18 Feb 1999 | 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 |
| HENDERSON, William George RESIGNED | Director | 18 Feb 1999 | 05 Nov 1999 | United Kingdom | September 1945 | 24 Abbey Road, Bourne End, Buckinghamshire, SL8 5NZ |
| JORDAN, Margaret Alison RESIGNED | Director | 03 Mar 2006 | 06 Jul 2012 | England | February 1952 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| KIMBERLEY, Helen Michelle RESIGNED | Director | 10 Dec 2019 | 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 |
| PARKIN, Barry David RESIGNED | Director | 19 Sep 2005 | 09 Oct 2006 | | April 1964 | 16 Hamilton Drive, Ascot, Berks, SL5 9PP |
| PARTON, Andrew Richard RESIGNED | Director | 09 Aug 2016 | 12 Mar 2024 | United Kingdom | January 1968 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| SELBY, Helen Kathryn RESIGNED | Director | 10 Dec 2019 | 20 Mar 2020 | United Kingdom | March 1969 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| VAN ETTINGER, Adrianus Wilhelmus, Dr RESIGNED | Director | 18 Feb 1999 | 31 Dec 2007 | | February 1955 | Lavendellaar 1, Veghel, 5467 Bg, The Netherlands |
| WILKS, Martyn Kevin RESIGNED | Director | 09 Feb 2001 | 23 Dec 2003 | | February 1958 | Cobbett House, 20 High Pine Close, Weybridge, Surrey, KT13 9EA |
| WILLIAMS, Carol RESIGNED | Director | 06 Jul 2012 | 29 Dec 2017 | United Kingdom | December 1957 | 3d Dundee Road, Slough, Berkshire, SL1 4LG |
| LOVITING LIMITED RESIGNED | Nominee Director | 24 Dec 1998 | 18 Feb 1999 | | | 21 Holborn Viaduct, London, EC1A 2DY |
| SERJEANTS' INN NOMINEES LIMITED RESIGNED | Nominee Director | 24 Dec 1998 | 18 Feb 1999 | | | 21 Holborn Viaduct, London, EC1A 2DY |