| HARRADINE, Jeffrey John, Mr. ACTIVE | Director | 20 Jan 2026 | | United States | February 1979 | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| PITCEATHLY, Richard Stuart, Mr. ACTIVE | Director | 18 Mar 2026 | | United Kingdom | May 1965 | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| BARRETT, Michael John RESIGNED | Secretary | 23 May 2008 | 30 Sep 2017 | | | Bridge House, Oxford Road, Uxbridge, Middlesex, UB8 1HS |
| DILLON, Stephen Charles RESIGNED | Secretary | | 04 Jan 2000 | | | 18 Assheton Road, Beaconsfield, Buckinghamshire, HP9 2NP |
| MOODY, Robert James RESIGNED | Secretary | 24 Jan 2023 | 31 Jul 2024 | | | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| PITCEATHLY, Richard RESIGNED | Secretary | 01 Nov 2017 | 09 Jan 2023 | | | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| ROBERTSON, Jacqueline Mary RESIGNED | Secretary | 15 Jan 2001 | 23 May 2008 | | | Bridge House, Oxford Road, Uxbridge, Middlesex, UB8 1HS |
| SHEPHARD, Carole RESIGNED | Secretary | 04 Jan 2000 | 15 Jan 2001 | | | 1 Hillgrove, Chalfont St. Peter, Gerrards Cross, Buckinghamshire, SL9 0BT |
| ARTHURTON, Anthony William RESIGNED | Director | 23 Mar 2020 | 07 Oct 2022 | England | May 1972 | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| BENOIT, Daniel Marc RESIGNED | Director | 07 Apr 2010 | 03 Sep 2012 | France | January 1967 | Bridge House, Oxford Road, Uxbridge, Middlesex, UB8 1HS |
| BEVAN, David John RESIGNED | Director | 29 Apr 1998 | 30 Jan 2001 | England | October 1943 | 1 Walnut Way, Hyde Heath, Amersham, Buckinghamshire, HP6 5SB |
| BLANCHE, Nicholas Andrew RESIGNED | Director | 29 Apr 1998 | 21 Feb 2000 | | December 1949 | 2 Romsey Way, High Wycombe, Buckinghamshire, HP11 1QP |
| BOYLE, Martin RESIGNED | Director | 18 Mar 2013 | 06 Dec 2019 | United Kingdom | April 1976 | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| BRANCH, Ian RESIGNED | Director | 08 Apr 2002 | 01 Jun 2003 | England | May 1968 | 2 Highwoods Close, Marlow, Buckinghamshire, SL7 3PG |
| CASSIDY, Darren Scott RESIGNED | Director | 01 Jul 2013 | 31 Dec 2015 | England | July 1967 | Bridge House, Oxford Road, Uxbridge, Middlesex, UB8 1HS, England |
| CHARNLEY, Alan Poole RESIGNED | Director | 12 Jul 2007 | 01 Jul 2013 | United Kingdom | June 1956 | Bridge House, Oxford Road, Uxbridge, Middlesex, UB8 1HS |
| CRONIN, Stephen Michael RESIGNED | Director | 30 Aug 2000 | 16 Jan 2004 | | December 1953 | Camden House Sandisplatt Road, Maidenhead, Berkshire, SL6 4NB |
| DEHON, Olivier Jules RESIGNED | Director | 01 Jan 2013 | 17 Jan 2019 | England | August 1967 | Riverview, Oxford Road, Uxbridge, Middlesex, UB8 1HS, England |
| DILLON, Stephen Charles RESIGNED | Director | | 04 Jan 2000 | England | September 1944 | 18 Assheton Road, Beaconsfield, Buckinghamshire, HP9 2NP |
| EADES, Roger Paul RESIGNED | Director | 29 Apr 1998 | 14 Apr 2000 | United Kingdom | August 1943 | 4 Squirrel Wood, West Byfleet, Surrey, KT14 6PE |
| EDWARDS, John Lloyd RESIGNED | Director | 09 Apr 2005 | 31 Mar 2010 | | February 1947 | Bridge House, Oxford Road, Uxbridge, Middlesex, UB8 1HS |
| GUEDEN, Jacques-Edouard RESIGNED | Director | 20 May 2024 | 01 Jun 2026 | France | September 1965 | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| HARRISON, Philip James RESIGNED | Director | 01 Feb 1999 | 30 Mar 2001 | | January 1961 | 5 Pitters Piece, Chilton Road, Long Crendon, Buckinghamshire, HP18 9PP |
| HAVARD, James Lyndon RESIGNED | Director | 03 May 1994 | 29 Apr 1998 | | January 1945 | Heathlands, 7 Weedon Lane, Amersham, Buckinghamshire, HP6 5QS |
| JONES, James Leslie Scott RESIGNED | Director | | 29 Apr 1994 | | April 1944 | Sunny Corner Bloxham Road, Banbury, Oxfordshire, OX16 9LE |
| MALCOLM, Sarah RESIGNED | Director | 08 Jun 2000 | 05 Apr 2002 | United Kingdom | April 1966 | 94 Ealing Village, Ealing, London, W5 2EA |
| MARTIN, John Francis RESIGNED | Director | 28 Mar 2025 | 20 Jan 2026 | United States | March 1966 | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| MCKAY, Karen Elizabeth RESIGNED | Director | 01 Mar 2022 | 31 Mar 2024 | England | July 1964 | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| NOONOO, Rodney RESIGNED | Director | 11 Jan 2019 | 23 Mar 2020 | England | March 1962 | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| PEACOCK, Russell Martin RESIGNED | Director | 09 Apr 2005 | 05 Oct 2007 | | July 1958 | Bridge House, Oxford Road, Uxbridge, Middlesex, UB8 1HS |
| PINNEY, Christopher John RESIGNED | Director | | 01 Feb 1999 | United Kingdom | February 1946 | Lyndale, Wayside Chipperfield, Watford, Hertfordshire, WD4 9JL |
| PLANT, Peter RESIGNED | Director | | 29 Apr 1998 | | February 1944 | Ardeevin, Claremont Pines, Carrickmines, Dublin 18, IRISH, Ireland |
| PORREVECCHIO, Frank Richard RESIGNED | Director | | 29 Apr 1994 | | October 1947 | Arlington House 5 Coombe Hill Court, St Leonard's Hill, Windsor, Berkshire, SL4 4UL |
| PREEST, Harriet Jane RESIGNED | Director | 06 Dec 2019 | 22 Apr 2022 | England | September 1972 | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| RAISON, Gordon Leonard Thomas RESIGNED | Director | 30 Mar 2001 | 08 Apr 2005 | | September 1965 | 10 Basil Close, Earley, Reading, Berkshire, RG6 5GL |
| RICHARDS, Marion Elizabeth RESIGNED | Director | 01 Apr 2010 | 31 Jul 2015 | England | May 1966 | Bridge House, Oxford Road, Uxbridge, Middlesex, UB8 1HS |
| RIGBY, Philip Andrew RESIGNED | Director | 01 Jun 2003 | 25 Feb 2008 | | April 1966 | Bridge House, Oxford Road, Uxbridge, Middlesex, UB8 1HS |
| ROBERTS, Hugh Benedict Polmear RESIGNED | Director | 01 Jun 2003 | 05 Feb 2013 | United Kingdom | June 1962 | Bridge House, Oxford Road, Uxbridge, Middlesex, UB8 1HS |
| SHEPHARD, Carole RESIGNED | Director | 04 Jan 2000 | 31 Jan 2001 | England | December 1955 | 1 Hillgrove, Chalfont St. Peter, Gerrards Cross, Buckinghamshire, SL9 0BT |
| THOMAS, Brett Coolidge RESIGNED | Director | 26 Feb 2008 | 09 Apr 2010 | | March 1959 | Bridge House, Oxford Road, Uxbridge, Middlesex, UB8 1HS |
| THOMPSON, Brian Peter RESIGNED | Director | 15 Feb 2001 | 31 Dec 2007 | England | August 1951 | Ivy Cottage, Halton Village, Aylesbury, Buckinghamshire, HP22 5NS |
| VAN BRAKEL, Johannes Pieter RESIGNED | Director | 07 Oct 2022 | 28 Mar 2025 | United States | March 1974 | Building 4, Uxbridge Business Park, Sanderson Road, Uxbridge, Middlesex, UB8 1DH, England |
| WALKER, Robert RESIGNED | Director | 29 Apr 1998 | 30 Aug 2000 | United Kingdom | February 1952 | Field House, Beacon Hill, Penn, High Wycombe, Buckinghamshire, HP10 8ND |