| 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 | 22 Sep 2010 | | England | July 1969 | Premier House, Centrium Business Park, Griffiths Way, St. Albans, Hertfordshire, AL1 2RE |
| AUSTEN, Peter David RESIGNED | Secretary | 11 Sep 1992 | 17 Jan 1994 | | | Pippins, Popes Lane, Cookham Dean, Berkshire, SL6 9NY |
| 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 | 17 Jan 1994 | 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 |
| AUSTEN, Peter David RESIGNED | Director | | 28 Feb 1994 | United Kingdom | May 1954 | Pippins, Popes Lane, Cookham Dean, Berkshire, SL6 9NY |
| BAKER, Peter RESIGNED | Director | | 07 Apr 2003 | United Kingdom | April 1953 | 12 Tallow Road, Brentford, Middlesex, TW8 8EU |
| BROWN, Andrew James Read RESIGNED | Director | 01 Jul 2002 | 31 Jul 2004 | United Kingdom | April 1959 | 1 The White House, Church Road, Penn, Buckinghamshire, HP10 8EG |
| CLARKE, Jonathan Michael Rushton RESIGNED | Director | 30 Jun 2004 | 31 May 2007 | United Kingdom | December 1960 | 1 Newalls Rise, Wargrave, Berkshire, RG10 8AY |
| COHEN, Laurence Anthony RESIGNED | Director | | 22 Feb 1994 | | February 1930 | 4 Old Mill Lane, Temple, Marlow, Buckinghamshire, SL7 |
| CRADDOCK, Martin Keith Robert RESIGNED | Director | 01 Jul 1997 | 20 May 2005 | | May 1945 | The Dairy House, St Nicholas Farm, Hurst, Berkshire, RG10 0TA |
| 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 |
| HAWORTH, John Rufus RESIGNED | Director | 23 Jul 1993 | 31 Aug 2000 | United Kingdom | October 1943 | 3 Sheridan Drive, Reigate, Surrey, RH2 0UE |
| JONES, Peter William RESIGNED | Director | | 31 Aug 2000 | | March 1945 | Tilegarth, Nightingales Lane, Chalfont St. Giles, Buckinghamshire, HP8 4SL |
| LAWSON, Robert RESIGNED | Director | 31 May 2007 | 30 Jun 2009 | England | July 1965 | 36 Exeter Road, London, NW2 4SB |
| MARCHANT, Richard Norman RESIGNED | Director | 12 Jul 1999 | 31 Aug 2000 | | June 1946 | 60 The Mount, Curdworth, Sutton Coldfield, West Midlands, B76 9HR |
| 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 |
| MCKIRSAN, David Neil RESIGNED | Director | | 31 Aug 2000 | | August 1943 | Finch House, 3 Knottocks Drive Knotty Green, Beaconsfield, Buckinghamshire, HP9 2AH |
| 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 |
| METAXA, Patrick Alexander RESIGNED | Director | | 02 Feb 1996 | | May 1932 | 63 Ridgway Place, London, SW19 4SP |
| MURPHY, Thomas Jerome Peter RESIGNED | Director | 13 Jul 2005 | 31 Jul 2006 | | January 1969 | 9 One Tree Lane, Beaconsfield, Buckinghamshire, HP9 2BU |
| 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 | 108 Ellesborough Road, Wendover, Aylesbury, Buckinghamshire, HP22 6EW |
| PHILLIPS, Timothy Richard RESIGNED | Director | 01 Oct 2005 | 29 Apr 2006 | | April 1950 | 2 Nashdom, Nashdom Lane, Burnham, Slough, Berkshire, SL1 8NJ |
| PHILLIPS, Timothy Richard RESIGNED | Director | 01 Apr 1994 | 30 Jun 1997 | | April 1950 | Garthdale, Highclere, Newbury, Berkshire, RG15 9QU |
| RUDDICK, Ian William RESIGNED | Director | 31 Aug 2000 | 31 Mar 2002 | 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 Way, St Albans, Hertfordshire, AL1 2RE |
| SMITH, Antony David RESIGNED | Director | 20 May 2005 | 01 Oct 2005 | | September 1974 | 12 Waites Close, Aston, Bampton, Oxfordshire, OX18 2ES |
| TAGGART, John, Dr RESIGNED | Director | | 31 Aug 2000 | | January 1942 | 12 Strathcona Close, Flackwell Heath, High Wycombe, Buckinghamshire, HP10 9NG |
| WARNICK, Harrold Miles RESIGNED | Director | 01 Mar 1996 | 29 Apr 2006 | England | December 1956 | Pierscourt Pyebush Lane, Beaconsfield, Buckinghamshire, HP9 2RX |
| WILKINSON, Paul Nigel RESIGNED | Director | 03 Jun 1992 | 31 Mar 1996 | United Kingdom | April 1945 | 20 Roehampton Gate, Roehampton, London, SW15 5JS |
| WISE, Suzanne Elizabeth RESIGNED | Director | 30 Jun 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 |