| WILBRAHAM, Simon Nicholas ACTIVE | Secretary | 31 Dec 2007 | | | | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| LEGGETT, Duncan Neil ACTIVE | Director | 12 Jan 2015 | | United Kingdom | September 1979 | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| ROSE, Simon Alan ACTIVE | Director | 12 Nov 2018 | | England | October 1966 | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| WILBRAHAM, Simon Nicholas ACTIVE | Director | 05 Apr 2015 | | England | July 1969 | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| AIKEN, Andrew John Alexander RESIGNED | Secretary | | 13 Oct 1993 | | | 164 Walm Lane, Willesden Green, London, NW2 4RX |
| BURTON, Denise Patricia RESIGNED | Secretary | 17 Mar 1995 | 31 Aug 2000 | | | 55 Kingston Hill Place, Kingston Hill, Kingston Upon Thames, Surrey, KT2 7QY |
| HARTREY, Patrick Mark RESIGNED | Secretary | 29 Apr 2006 | 20 Oct 2006 | | | 30 Colham Road, Hillingdon, Middlesex, UB8 3WQ |
| HINES, Christine Anne RESIGNED | Secretary | 04 Jun 2007 | 31 Dec 2007 | | | 33 Sandhills Road, Barnt Green, Birmingham, B45 8NP |
| MILLER, Roger Keith RESIGNED | Secretary | 13 Oct 1993 | 17 Mar 1995 | | | Hatters Barn, Stockwell Lane Little Meadle, Aylesbury, Buckinghamshire, HP17 9UG |
| WATERS, Paul Christopher RESIGNED | Secretary | 20 Oct 2006 | 04 Jun 2007 | | | 37, Avenue Road, Stratford-Upon-Avon, Warwickshire, CV37 6UW, United Kingdom |
| WILBRAHAM, Simon Nicholas RESIGNED | Secretary | 30 Sep 2003 | 29 Apr 2006 | | | 19, Queens Crescent, St. Albans, Hertfordshire, AL4 9QG, United Kingdom |
| WOODMORE, Michael Brian RESIGNED | Secretary | 31 Aug 2000 | 30 Sep 2003 | | | 59 Terrington Hill, Marlow, Buckinghamshire, SL7 2RE |
| ALLNER, Andrew James RESIGNED | Director | 16 Apr 2004 | 13 Jul 2005 | | December 1953 | 9 The Crescent, Barnes, London, SW13 0NN |
| BAKER, Peter RESIGNED | Director | 01 Jul 2002 | 30 Apr 2003 | United Kingdom | April 1953 | 12 Tallow Road, Brentford, Middlesex, TW8 8EU |
| BREEZE, John Bellamy RESIGNED | Director | | 31 Aug 2000 | England | August 1948 | Little Orchard 60 Birches Lane, Lostock Green, Northwich, Cheshire, CW9 7SN |
| BURGIN, Arthur Brocklebank RESIGNED | Director | | 30 Apr 1995 | | September 1933 | Little Slades, Hills Lane, Cookham Dean, Berkshire, SL6 9NT, United Kingdom |
| CLARKE, Jonathan Michael Rushton RESIGNED | Director | 30 Jun 2004 | 31 May 2007 | United Kingdom | December 1960 | 1 Newalls Rise, Wargrave, Berkshire, RG10 8AY |
| COPELAND, Philip Robert RESIGNED | Director | 04 Sep 1995 | 02 Aug 1998 | England | April 1960 | Crofton Sheldon Road, Ickford, Aylesbury, Buckinghamshire, HP18 9HY |
| CRESWICK, Christopher Leslie RESIGNED | Director | | 31 May 1996 | United Kingdom | December 1944 | 26 Church Road, Upper Cam, Dursley, Gloucestershire, GL11 5PG |
| CROSSLEY, Nigel RESIGNED | Director | 09 Jul 2004 | 30 Sep 2007 | England | April 1963 | HP9 |
| DUNCAN, Ian Alexander RESIGNED | Director | 14 Feb 1994 | 12 Jul 1999 | United Kingdom | April 1946 | Durham House, Durham Place, London, SW3 4ET |
| EDMANS, James RESIGNED | Director | | 28 Feb 1995 | | June 1951 | The Spinney 29 Maiden Earley Drive, Earley, Reading, Berkshire, RG6 2HP, United Kingdom |
| HEPBURN, Jim RESIGNED | Director | 21 Jul 2011 | 05 Apr 2015 | Scotland | June 1960 | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| IRVING, Patrick Haydn RESIGNED | Director | 26 May 1995 | 07 Apr 2003 | | February 1948 | Hyeswood Guildford Road, Rudgwick, Horsham, West Sussex, RH12 3BX |
| JONES, Simon Patrick Grenville RESIGNED | Director | 18 Feb 1997 | 30 Apr 1998 | | May 1952 | 32 Melbourne Road, Teddington, Middlesex, TW11 9QX |
| KNOX, Virginia Caroline RESIGNED | Director | 07 Apr 2003 | 29 Apr 2006 | England | April 1963 | Rowbarns Grange North, Green Dene, East Horsley, Leatherhead, Surrey, KT24 5RQ |
| KNOX, Virginia Caroline RESIGNED | Director | 18 Feb 1997 | 06 Sep 2000 | England | April 1963 | Rowbarns Grange North, Green Dene, East Horsley, Leatherhead, Surrey, KT24 5RQ |
| LAWSON, Robert RESIGNED | Director | 31 May 2007 | 30 Jun 2009 | England | July 1965 | 36 Exeter Road, London, NW2 4SB |
| LEACH, Paul Alan RESIGNED | Director | 22 Sep 2010 | 30 Jun 2011 | United Kingdom | August 1957 | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| LEACH, Paul Alan RESIGNED | Director | 02 Mar 2009 | 31 Aug 2009 | United Kingdom | August 1957 | 8, Station Road, Bletchingdon, Kidlington, Oxfordshire, OX5 3DE, United Kingdom |
| MANN, Howard RESIGNED | Director | | 26 May 1995 | | March 1947 | 19 Rivermead Court, Marlow, Buckinghamshire, SL7 1SJ |
| MARCHANT, Richard Norman RESIGNED | Director | 12 Jul 1999 | 31 Aug 2000 | | June 1946 | 60 The Mount, Curdworth, Sutton Coldfield, West Midlands, B76 9HR |
| MARSH, Robert Anthony RESIGNED | Director | | 30 Apr 1996 | United Kingdom | October 1949 | Kingfisher House, 68 Pattison Lane Woolstone, Milton Keynes, Bucks, MK15 0AY |
| MCDONALD, Andrew John RESIGNED | Director | 15 Nov 2011 | 23 May 2018 | England | January 1974 | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| MCEVOY, Emmett RESIGNED | Director | 20 Apr 2012 | 12 Jan 2015 | United Kingdom | December 1976 | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| MCPHERSON, Kasey RESIGNED | Director | 23 May 2018 | 12 Nov 2018 | United Kingdom | September 1982 | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| METCALFE, Brian RESIGNED | Director | | 01 Dec 1995 | United Kingdom | October 1948 | 14 Elizabeth Close, Aylesbury, Buckinghamshire, HP21 9XX |
| MOSS, Nicholas Frank Moreton RESIGNED | Director | 03 May 1999 | 29 Apr 2006 | United Kingdom | August 1959 | Windle Lodge, Chester High Road, Windle Hill, Neston, Wirral, CH64 7TB, England |
| MURPHY, Thomas Jerome Peter RESIGNED | Director | 13 Jul 2005 | 31 Jul 2006 | | January 1969 | 9 One Tree Lane, Beaconsfield, Buckinghamshire, HP9 2BU |
| OWEN-WARD, Peter Donald RESIGNED | Director | 01 Jul 1994 | 02 May 1997 | | September 1939 | 2 Beamsley View, Ilkley, W Yorkshire, LS29 9DA |
| PANTER, Alan James, Mr. RESIGNED | Director | 31 May 2007 | 02 Apr 2008 | | October 1971 | 14 Thornhill Bridge Wharf, London, N1 0RU |
| PEELER, Andrew Michael RESIGNED | Director | 02 Apr 2008 | 21 Jul 2011 | United Kingdom | January 1963 | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| PLEWS, Gordon Stanley RESIGNED | Director | | 30 Apr 1999 | | October 1940 | Bramley Hollow Verney Junction, Adstock, Buckinghamshire, MK18 2JZ |
| RUDDICK, Ian William RESIGNED | Director | 31 Aug 2000 | 31 Mar 2002 | United Kingdom | December 1946 | 32 Woodend Drive, Ascot, Berkshire, SL5 9BG |
| RUDDICK, Ian William RESIGNED | Director | 01 Mar 1995 | 04 Sep 1995 | United Kingdom | December 1946 | 32 Woodend Drive, Ascot, Berkshire, SL5 9BG |
| SCHURCH, Michael John RESIGNED | Director | 01 Aug 2001 | 30 Jun 2004 | United Kingdom | September 1957 | 1 Aldersey Road, Guildford, Surrey, GU1 2ER |
| SMITH, Antony David RESIGNED | Director | 21 Jul 2011 | 20 Apr 2012 | England | September 1974 | Premier House, Centrium Business Park, Griffiths Ways, St Albans, Hertfordshire, AL1 2RE |
| TETHER, Colin Anthony RESIGNED | Director | 16 Jul 1997 | 30 Apr 1999 | | September 1954 | Magdalen House, Devonshire Street, London, W4 2AY |
| UNDERWOOD, Elaine RESIGNED | Director | | 05 Jan 1994 | | April 1958 | Deer Run, Parklands, Shere, Surrey, GU5 9JQ |
| WISE, Suzanne Elizabeth RESIGNED | Director | 02 Mar 2009 | 15 Nov 2011 | United Kingdom | January 1962 | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| WOODMORE, Michael Brian RESIGNED | Director | 22 Aug 2000 | 16 Apr 2004 | England | November 1943 | 59 Terrington Hill, Marlow, Buckinghamshire, SL7 2RE |