| BARBOUR, Stephen ACTIVE | Director | 01 Jun 2024 | | Northern Ireland | August 1964 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| BLACK, Adam Christopher ACTIVE | Director | 01 Oct 2019 | | England | April 1975 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| BRADNEY, Matthew ACTIVE | Director | 01 Oct 2019 | | England | October 1970 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| BROWN, Steven Lochiel ACTIVE | Director | 01 Jun 2024 | | England | June 1977 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| HILL, Jennifer Sarah ACTIVE | Director | 31 Aug 2022 | | England | March 1977 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| JESRI, Mona ACTIVE | Director | 14 May 2025 | | England | July 1991 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| MILLER, Harry James Cameron ACTIVE | Director | 28 Jul 2026 | | England | May 1988 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| QUIGLEY, Peter Frederick James ACTIVE | Director | 01 Jun 2024 | | Northern Ireland | April 1983 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| SMITH, Faye Catherine, Dr ACTIVE | Director | 15 May 2013 | | England | December 1971 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| SUMMERS, Joseph Alexander ACTIVE | Director | 01 Sep 2020 | | England | January 1977 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| VARDY, Luke David ACTIVE | Director | 27 Sep 2021 | | England | April 1978 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| WINTERSGILL, Paul ACTIVE | Director | 25 Nov 2025 | | England | August 1977 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| FORSDYKE, Kenneth Leonard RESIGNED | Secretary | 28 Jul 2000 | 30 Sep 2008 | | | Sarum Lodge, Saint Annes Court, Talygarn, Pontyclun, Mid Glamorgan, CF72 9HH |
| HALLIWELL, Susan Margaret, Dr RESIGNED | Secretary | 01 Aug 2010 | 31 Aug 2012 | | | 4a Broom Business Park, Bridge Way, Chesterfield, Derbyshire, S41 9QG |
| LITTLE, Christopher John RESIGNED | Secretary | 01 Oct 2008 | 01 Aug 2010 | | | Culver Cottage, Buckbury Lane, Newport, Isle Of Wight, PO30 2NJ |
| SWIFT INCORPORATIONS LIMITED RESIGNED | Nominee Secretary | 28 Jul 2000 | 28 Jul 2000 | | | 26, Church Street, London, NW8 8EP |
| APPLETON, Neil Steven RESIGNED | Director | 03 Aug 2012 | 01 Aug 2016 | United Kingdom | August 1962 | Innovation House, 39 Mark Road, Hemel Hempstead, Hertfordshire, HP2 7DN, United Kingdom |
| APPLETON, Neil Steven RESIGNED | Director | 15 Mar 2002 | 02 Nov 2004 | | August 1962 | Eskdale, 1 New Street Rosuston, Swadlincote, Derbyshire, DE12 8VE |
| ARTHUR, Francis John RESIGNED | Director | 01 Oct 2019 | 27 Sep 2021 | United Kingdom | March 1986 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| AUSTEN, Stephen James RESIGNED | Director | 15 May 2013 | 31 Aug 2015 | England | March 1971 | Innovation House, 39 Mark Road, Hemel Hempstead, Hertfordshire, HP2 7DN, United Kingdom |
| BANKS, Alan RESIGNED | Director | 01 Sep 2020 | 21 Oct 2024 | England | December 1966 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| BANKS, Samuel James RESIGNED | Director | 26 May 2009 | 19 Oct 2009 | | October 1946 | 54, Westhoughton Road, Adlington, Chorley, Lancashire, PR7 4ET |
| BEARDSWORTH, David Robert RESIGNED | Director | 06 Dec 2004 | 15 May 2013 | United Kingdom | May 1952 | 13 Beech Close, Scruton, Northallerton, North Yorkshire, DL7 0TU |
| BROWN, David William RESIGNED | Director | 28 Jul 2000 | 24 Apr 2008 | | January 1947 | 17 Ash Tree Close, Worlingham, Beccles, Suffolk, NR34 7RU |
| CHIVERS, Peter John RESIGNED | Director | 15 May 2013 | 01 Oct 2019 | England | April 1960 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| COLLIER, Paul RESIGNED | Director | 15 May 2013 | 28 Sep 2017 | England | March 1968 | Innovation House, 39 Mark Road, Hemel Hempstead, Hertfordshire, HP2 7DN, United Kingdom |
| CREED, Rupert James Beaupre RESIGNED | Director | 01 Aug 2010 | 31 Aug 2012 | United Kingdom | May 1949 | 4a Broom Business Park, Bridge Way, Chesterfield, Derbyshire, S41 9QG |
| CUNLIFFE, Alan Findlay RESIGNED | Director | 28 Jul 2000 | 20 Oct 2004 | United Kingdom | January 1950 | 6a Gainsborough Road, Southport, Merseyside, PR8 2EY |
| DARBY, Paul Richard, Dr RESIGNED | Director | 21 Mar 2003 | 28 Aug 2014 | England | February 1962 | 40 Saint Giles Avenue, Grimsby, North East Lincolnshire, DN33 2HB |
| DELANEY, Barry RESIGNED | Director | 28 Aug 2014 | 01 Sep 2018 | United Kingdom | April 1964 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| DEVEREUX, Mark Christian RESIGNED | Director | 28 Jul 2000 | 15 Mar 2002 | England | May 1962 | 3 Bishops Close, Fleet, Hampshire, GU52 7TU |
| DOYLE, John Paul RESIGNED | Director | 28 Sep 2017 | 01 Sep 2018 | England | April 1971 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| DUGMORE, Andrew Charles RESIGNED | Director | 31 Aug 2012 | 01 Sep 2018 | England | October 1972 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| FARRAR, Malcolm Henry RESIGNED | Director | 28 Jul 2000 | 31 Aug 2005 | England | June 1945 | Riversdale Tunstead Milton, Whaley Bridge, High Peak, SK23 7ES |
| FRIAS, Clara Maria Mesquita, Dr RESIGNED | Director | 01 Mar 2021 | 31 Jan 2026 | England | December 1980 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| HALFORD, Ben John RESIGNED | Director | 01 Nov 2018 | 14 Oct 2020 | England | June 1972 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| HALLIWELL, Susan Margaret, Dr RESIGNED | Director | 31 Aug 2012 | 15 May 2013 | United Kingdom | February 1966 | Forsyth House, 39 Mark Road, Hemel Hempstead Industrial Estate, Hemel Hempstead, Hertfordshire, HP2 7DN, United Kingdom |
| HALLIWELL, Susan Margaret, Dr RESIGNED | Director | 24 Apr 2008 | 01 Aug 2010 | United Kingdom | February 1966 | 44, Egerton Road, Berkhamsted, Hertfordshire, HP4 1DU |
| HENDERSON, Brian, Dr RESIGNED | Director | 24 Apr 2008 | 29 Apr 2009 | England | January 1954 | 63, Goulden Road, Withinton, Bolton, M20 4YF |
| HERBERT, Matthew John RESIGNED | Director | 21 Mar 2003 | 28 Aug 2014 | United Kingdom | November 1965 | 117 Shelfanger Road, Diss, Norfolk, IP22 4DZ |
| HIGHAM, Kevin Richard RESIGNED | Director | 01 Aug 2011 | 15 May 2013 | United Kingdom | March 1968 | Forsyth House, 39 Mark Road, Hemel Hempstead Industrial Estate, Hemel Hempstead, Hertfordshire, HP2 7DN, United Kingdom |
| HITCHEN, Michael Jeffrey RESIGNED | Director | 28 Aug 2014 | 01 Aug 2016 | England | May 1972 | Innovation House, 39 Mark Road, Hemel Hempstead, Hertfordshire, HP2 7DN, United Kingdom |
| HOGG, Paul Jonathan, Professor RESIGNED | Director | 28 Jul 2000 | 28 Aug 2014 | England | May 1955 | 50 Marjorams Avenue, Loughton, Essex, IG10 1PU |
| HOPWOOD, Dominic Andrew RESIGNED | Director | 01 Sep 2020 | 01 Jun 2024 | England | November 1974 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| HOWARD, Jonathan William RESIGNED | Director | 01 Oct 2019 | 02 Feb 2024 | England | August 1983 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| KING, Paul William RESIGNED | Director | 21 Mar 2003 | 31 Aug 2012 | United Kingdom | January 1948 | 1 Cedarwood, Kings Worthy, Winchester, Hampshire, SO23 7RP |
| LEES, William Arthur, Dr RESIGNED | Director | 28 Jul 2000 | 16 Mar 2001 | | November 1932 | Hillside Cottage, Hackupps Lane Michelmersh, Romsey, Hampshire, SO51 0NP |
| LITTLE, Christopher John RESIGNED | Director | 13 Sep 2005 | 14 Oct 2020 | United Kingdom | August 1960 | Culver Cottage, Buckbury Lane, Newport, Isle Of Wight, PO30 2NJ |
| MESQUITA FRIAS, Clara Maria, Dr RESIGNED | Director | 01 Sep 2015 | 01 Oct 2019 | England | December 1980 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| MULHOLLAND, Graham Anthony RESIGNED | Director | 15 May 2013 | 31 Aug 2015 | England | December 1973 | Innovation House, 39 Mark Road, Hemel Hempstead, Hertfordshire, HP2 7DN, United Kingdom |
| SHIELS, Linda RESIGNED | Director | 16 Mar 2001 | 06 Feb 2008 | England | February 1955 | 26 Allesley Close, Westhoughton, Bolton, Lancashire, BL5 3DW |
| SIDDLE, Keith John RESIGNED | Director | 24 Apr 2008 | 31 Aug 2012 | United Kingdom | September 1968 | 18, Beechcroft, Humshaugh, Hexham, Northumberland, NE46 4DN |
| SWINBURN, Ian Michael RESIGNED | Director | 15 Mar 2002 | 06 Jan 2003 | | July 1966 | 9 Portman Close, Hitchin, Hertfordshire, SG5 2UX |
| TAYLOR, Christopher John RESIGNED | Director | 01 Aug 2016 | 29 May 2019 | United Kingdom | October 1964 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| TOLSON, Scott Justin RESIGNED | Director | 01 Aug 2016 | 05 Nov 2025 | United Kingdom | July 1963 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| TONER, John Andrew RESIGNED | Director | 28 Aug 2014 | 31 Aug 2022 | United Kingdom | February 1981 | Unit A, Tebay Road, Bromborough, Wirral, Merseyside, CH62 3PA, Great Britain |
| VASKO, Karl RESIGNED | Director | 01 Aug 2010 | 15 May 2013 | United Kingdom | March 1964 | 20, Ford Lane, Derby, Derbyshire, DE22 2EW, United Kingdom |
| WARD, John RESIGNED | Director | 28 Jul 2000 | 15 May 2013 | England | December 1946 | 5 Sherborne Court, Eastleigh, Hampshire, SO50 4PB |
| WILSON, Anthony RESIGNED | Director | 28 Jul 2000 | 15 Mar 2002 | | November 1940 | 5 Glen View Road, Burnley, Lancashire, BB11 2QL |
| WILSON, Benjamin RESIGNED | Director | 01 Sep 2015 | 02 Feb 2024 | England | October 1974 | Audley House, Northbridge Road, Berkhamsted, Hertfordshire, HP4 1EH, England |
| WRIGHT, Steven George RESIGNED | Director | 24 Apr 2008 | 31 Aug 2012 | United Kingdom | December 1973 | 54, Moxon Way, Ashton-In-Makerfield, Wigan, Lancashire, WN4 8SW |