| SMITH, Elizabeth ACTIVE | Secretary | 07 May 2026 | | | | Fujitsu, Lovelace Road, Bracknell, England, RG12 8SN, United Kingdom |
| BROWN, Paul Christopher ACTIVE | Director | 07 May 2026 | | England | September 1977 | Fujitsu, Lovelace Road, Bracknell, RG12 8SN, England |
| COKER, Grainne Elizabeth ACTIVE | Director | 01 May 2006 | | United Kingdom | May 1951 | Fujitsu, Lovelace Road, Bracknell, RG12 8SN, England |
| CROW, Michael Clive ACTIVE | Director | 15 Mar 2022 | | Northern Ireland | May 1961 | Fujitsu, Lovelace Road, Bracknell, RG12 8SN, England |
| ELLIS, Stephen Douglas Jason ACTIVE | Director | 06 Jun 2020 | | England | March 1960 | Fujitsu, Lovelace Road, Bracknell, RG12 8SN, England |
| LILLYWHITE, John George, Dr ACTIVE | Director | 08 Dec 2011 | | England | October 1940 | Fujitsu, Lovelace Road, Bracknell, RG12 8SN, England |
| SILLITOE, David Enoch ACTIVE | Director | 12 Feb 1997 | | United Kingdom | April 1952 | Fujitsu, Lovelace Road, Bracknell, RG12 8SN, England |
| COE, Robert Anthony RESIGNED | Secretary | 10 Sep 1998 | 30 Apr 2002 | | | Whitethorn The Street, Bradfield, Manningtree, Essex, CO11 2US |
| DAVIDSON, Jennifer Sharon RESIGNED | Secretary | 15 Jan 2021 | 07 Jun 2021 | | | 22 Baker Street, London, W1U 3BW |
| DRYDEN, Linda Margaret RESIGNED | Secretary | 01 Apr 2007 | 06 Jun 2007 | | | 7 Charlton Close, Ickenham, Middlesex, UB10 8BW |
| EVANS, Paula Ann RESIGNED | Secretary | 31 Jan 2014 | 15 Oct 2015 | | | 22 Baker Street, London, W1U 3BW |
| EVANS, Paula Ann RESIGNED | Secretary | 06 Jun 2007 | 08 Dec 2011 | | | 22, Baker Street, London, W1U 3BW, United Kingdom |
| HAWKINS, Lindsay Anne RESIGNED | Secretary | 08 Dec 2011 | 31 Jan 2014 | | | 22 Baker Street, London, W1U 3BW |
| HOLMES, Rachel Louise RESIGNED | Secretary | 07 Jun 2021 | 24 Jun 2025 | | | Fujitsu, Lovelace Road, Bracknell, RG12 8SN, England |
| LLOYD, Gwyneth RESIGNED | Secretary | 15 Oct 2015 | 19 Jan 2018 | | | 22 Baker Street, London, W1U 3BW |
| MORGAN, Nicola Jeanna RESIGNED | Secretary | 19 Jan 2018 | 15 Jan 2021 | | | 22 Baker Street, London, W1U 3BW |
| MOSS, Alison Barbara RESIGNED | Secretary | 01 May 2002 | 01 Apr 2007 | | | 14 Harebell Drive, Thatcham, Berkshire, RG18 4DX |
| SCOTT, Roderick Frank RESIGNED | Secretary | | 10 Sep 1998 | | | 89 Cottenham Park Road, Wimbledon, London, SW20 0DS |
| SOHI, Pam RESIGNED | Secretary | 24 Jun 2025 | 07 May 2026 | | | Fujitsu, Lovelace Road, Bracknell, RG12 8SN, England |
| ALLNUTT, Richard Andrew James RESIGNED | Director | 15 Sep 2003 | 15 Oct 2005 | England | July 1952 | 16 Clapham Common West Side, London, SW4 9AJ |
| BAKER, Mark Joseph RESIGNED | Director | 01 May 2006 | 23 Sep 2009 | United Kingdom | September 1969 | 52, Quintilis, Bracknell, Berkshire, RG12 7QQ |
| BEATTIE, Donald Farquharson RESIGNED | Director | | 29 Feb 1996 | | November 1943 | 151 The Broadway, London, SW19 1JQ |
| BERRY, David John RESIGNED | Director | 26 Feb 1996 | 05 Nov 1996 | | August 1935 | 16 The Broadwalk, Northwood, Middlesex, HA6 2XD |
| BROWN, Paul Christopher RESIGNED | Director | 01 Nov 2023 | 20 Jun 2024 | England | September 1977 | Fujitsu, Lovelace Road, Bracknell, RG12 8SN, England |
| CLAYTON, Stephen David RESIGNED | Director | 15 Sep 2003 | 01 May 2006 | | August 1964 | The Cedars, Chequers Lane Eversley, Hook, Hampshire, RG27 0NT |
| COE, Robert Anthony RESIGNED | Director | | 10 Sep 1998 | | April 1946 | Whitethorn The Street, Bradfield, Manningtree, Essex, CO11 2US |
| COLQUHOUN, Fiona RESIGNED | Director | 16 May 1997 | 09 Nov 2001 | England | November 1952 | 15 Trinity Church Road, Barnes, London, SW13 8ET |
| CROOKS, Harold Leslie RESIGNED | Director | | 10 Nov 1994 | | October 1929 | Timbers 13 Elsenwood Crescent, Camberley, Surrey, GU15 2BA |
| CULLEN, Nicholas Antony RESIGNED | Director | 02 Nov 2004 | 08 Dec 2016 | England | January 1959 | 22 Baker Street, London, W1U 3BW |
| EADIE, Ninian Piers Darby RESIGNED | Director | | 12 Feb 1997 | | March 1937 | 18 The Mall, East Sheen, London, SW14 7EN |
| EARL, Peter Robert RESIGNED | Director | 15 Aug 2000 | 28 Jun 2002 | | May 1960 | 16 Valley Close, Goring, Reading, Berkshire, RG8 0AN |
| GIBSON, Alan James RESIGNED | Director | 08 Dec 1999 | 15 Aug 2000 | United Kingdom | July 1955 | Chapel Farmhouse, Grafton, Oxfordshire, OX18 2RY |
| HARRIS, Brian RESIGNED | Director | 21 Aug 2002 | 15 Sep 2003 | United Kingdom | June 1947 | Ridge End, Rowley Green Road, Arkley, Hertfordshire, EN5 3HH |
| HARRISON, John RESIGNED | Director | 10 Feb 1995 | 16 May 1997 | | July 1943 | 20 Ryles Park Road, Macclesfield, Cheshire, SK11 8AH |
| HINES, Bryan Charles RESIGNED | Director | 24 May 1991 | 21 Nov 2001 | | May 1932 | Pipers Wood, Old Long Grove Seer Green, Beaconsfield, Buckinghamshire, HP9 2QH |
| HUTCHINSON, Peter Frederick RESIGNED | Director | 09 Sep 2002 | 31 Jul 2008 | England | February 1954 | 16 Brokes Road, Reigate, Surrey, RH2 9LJ |
| KANE, Frederic John RESIGNED | Director | 27 Feb 1995 | 11 Mar 2004 | | August 1930 | 21 Hazelbank Close, Liphook, Hampshire, GU30 7BZ |
| LEEK, Roger John RESIGNED | Director | 09 Nov 2001 | 15 Sep 2003 | United Kingdom | June 1949 | Virginia House, 2 Georgian Heights, Bourne End, Buckinghamshire, SL8 5NJ |
| LILLYWHITE, John George, Dr RESIGNED | Director | 02 Jan 1996 | 12 Feb 1997 | England | October 1940 | Delicias Pine Walk, East Horsley, Surrey, KT24 5AG |
| MAGUIRE, Dermot Gerard RESIGNED | Director | 02 Mar 2017 | 15 Mar 2022 | England | September 1961 | 22 Baker Street, London, W1U 3BW |
| MARSHALL, Colin Edward RESIGNED | Director | 10 Nov 2000 | 08 Dec 2011 | United Kingdom | March 1939 | 22 Baker Street, London, W1U 3BW |
| MARSHALL, Colin Edward RESIGNED | Director | | 31 Mar 2000 | United Kingdom | March 1939 | Grange Villa Sandy Lane, Longsdon, Stoke On Trent, Staffordshire, ST9 9QQ |
| MARWOOD, David Christopher Laborde RESIGNED | Director | | 29 Feb 1996 | | February 1923 | 36 The Ridgeway, Tonbridge, Kent, TN10 4NJ |
| MCCONACHIE, Andrew William RESIGNED | Director | 27 Feb 1995 | 10 Sep 1998 | | April 1937 | 8 Dunvegan Avenue, Portlethen, Aberdeen, AB1 4QF, Scotland |
| MCINNES, Annette Karyn RESIGNED | Director | 21 Sep 2016 | 05 Sep 2023 | England | November 1972 | Fujitsu, Lovelace Road, Bracknell, RG12 8SN, England |
| OWEN, Martin Neville RESIGNED | Director | 22 Feb 2001 | 28 Jun 2002 | | January 1947 | 55 Greenways, Beckenham, Kent, BR3 3NQ |
| PROVOOST, Martin RESIGNED | Director | 08 Jun 2010 | 01 Oct 2011 | United Kingdom | March 1965 | 22 Baker Street, London, W1U 3BW |
| RICE, Janet RESIGNED | Director | 01 Feb 2002 | 31 Jan 2020 | United Kingdom | December 1949 | 22 Baker Street, London, W1U 3BW |
| RICHARDSON, David Arthur RESIGNED | Director | 10 Sep 1998 | 28 Jun 2002 | | April 1944 | Moor Cottage Moor Lane, Newbury, Berkshire, RG14 1RT |
| RIESENFELD, Stefan RESIGNED | Director | 29 Nov 1996 | 30 Apr 1999 | | July 1948 | Flat 4 Robert Lodge 4 Milner Street, London, SW3 2PU |
| ROBERTS, David John Edward RESIGNED | Director | 23 Sep 2009 | 21 Oct 2009 | England | March 1962 | 22, Baker Street, London, W1U 3BW |
| SAUNDERS, Alan George RESIGNED | Director | 01 Nov 2006 | 20 Jun 2012 | England | April 1949 | 22 Baker Street, London, W1U 3BW |
| SCOTT, Roderick Frank RESIGNED | Director | 10 Sep 1998 | 26 Feb 2002 | | November 1947 | 89 Cottenham Park Road, Wimbledon, London, SW20 0DS |
| STEWART, Patrick Michael RESIGNED | Director | 23 Oct 2002 | 30 Jun 2011 | United Kingdom | July 1949 | 22 Baker Street, London, W1U 3BW |
| STIMPSON, Joanne Elizabeth RESIGNED | Director | 12 Feb 1997 | 01 Feb 2001 | England | August 1962 | The Garden House, 18 Heathway Blackheath, London, SE3 7AN |
| TODD, Thomas Keith RESIGNED | Director | | 02 Jan 1996 | United Kingdom | June 1953 | The Hill, Penn Road, Knotty Green, Buckinghamshire, HP9 2TS |
| TREVOR, Gareth John RESIGNED | Director | 05 Mar 1991 | 14 Aug 1992 | England | May 1950 | Whitegates Harvest Hill Road, Maidenhead, Berkshire, SL6 2QR |
| WIMPRESS, David Arthur RESIGNED | Director | 14 Aug 1992 | 10 Feb 1995 | | November 1946 | 24 Chiltern Court Mews, Fawcett Road, Windsor, Berkshire, SL4 5DJ |
| ROSS RUSSELL LIMITED RESIGNED | Director | 20 Jun 2012 | 13 Nov 2015 | | | 14, Bewdley Street, Islington, London, N1 1HB, United Kingdom |