| RAVEN, Hugh Edward Earle ACTIVE | Secretary | 01 Jan 2026 | | | | Suite 201, The Spirella Building, Bridge Road, Letchworth Garden City, Hertfordshire, SG6 4ET, England |
| DUNDAS, Graham Mark ACTIVE | Director | 30 Mar 2020 | | England | April 1979 | Suite 201, The Spirella Building, Bridge Road, Letchworth Garden City, Hertfordshire, SG6 4ET, England |
| MACKENZIE, James Murdo Roderick ACTIVE | Director | 31 May 2024 | | United Kingdom | June 1979 | Suite 201, The Spirella Building, Bridge Road, Letchworth Garden City, Hertfordshire, SG6 4ET, England |
| RAVEN, Hugh Edward Earle ACTIVE | Director | 16 Jun 2022 | | England | November 1971 | Suite 201, The Spirella Building, Bridge Road, Letchworth Garden City, Hertfordshire, SG6 4ET, England |
| STACEY, Juliette Natasha ACTIVE | Director | 01 Mar 2023 | | England | April 1970 | Suite 201, The Spirella Building, Bridge Road, Letchworth Garden City, Hertfordshire, SG6 4ET, England |
| WILLMOTT, Richard John ACTIVE | Director | 17 Jan 2008 | | United Kingdom | May 1963 | Suite 201, The Spirella Building, Bridge Road, Letchworth Garden City, Hertfordshire, SG6 4ET, England |
| CHURCHILL COLEMAN, Wendy Jane RESIGNED | Secretary | 30 Oct 2001 | 20 May 2005 | | | 8 Glebe Road, Bedford, MK40 2PL |
| EYRE, Robert Charles RESIGNED | Secretary | 31 Mar 2008 | 20 Aug 2013 | | | Spirella 2, Icknield Way, Letchworth, Hertfordshire, SG6 4GY |
| EYRE, Robert Charles RESIGNED | Secretary | 13 Aug 1997 | 31 Dec 2004 | | | 89 Layston Park, Royston, Hertfordshire, SG8 9DT |
| LISTER, Anne Elizabeth RESIGNED | Secretary | 19 Apr 2007 | 31 Mar 2008 | | | Haggle House, Scole Road, Thorpe Abbotts, Diss, Norfolk, IP21 4HS |
| LOWE, Graham Simon RESIGNED | Secretary | 23 Feb 2005 | 19 Apr 2007 | | | Wheatlands, 22 Ashley Rise, Walton On Thames, Surrey, KT12 1ND |
| MCWILLIAMS, Wendy Jane RESIGNED | Secretary | 31 Mar 2008 | 01 Jan 2026 | | | Suite 201, The Spirella Building, Bridge Road, Letchworth Garden City, Hertfordshire, SG6 4ET, England |
| BATCHELOR, David Frank RESIGNED | Director | 01 Jan 2005 | 19 Feb 2008 | England | September 1949 | The Beeches Packhorse Road, Bessels Green, Sevenoaks, Kent, TN13 2QP |
| BAYLISS, John William RESIGNED | Director | 13 Aug 1997 | 01 Jun 1999 | | September 1934 | The Pump House, Church Street Great Burstead, Billericay, Essex, CM11 2TR |
| CANNEY, Duncan Inglis RESIGNED | Director | 23 May 2008 | 01 Apr 2009 | England | May 1952 | The Limes 1 Alms Hill, Bourn, Cambridge, Cambridgeshire, CB23 2SH |
| CANNEY, Duncan Inglis RESIGNED | Director | 30 Oct 2001 | 30 Apr 2002 | England | May 1952 | The Limes 1 Alms Hill, Bourn, Cambridge, Cambridgeshire, CB23 2SH |
| CHURCHILL COLEMAN, Wendy Jane RESIGNED | Director | 16 Jan 2003 | 19 Mar 2003 | | December 1958 | 3 Portmill Lane, Hitchin, Hertfordshire, SG5 1DJ |
| CHURCHILL COLEMAN, Wendy Jane RESIGNED | Director | 30 Oct 2001 | 30 Apr 2002 | | December 1958 | 3 Portmill Lane, Hitchin, Hertfordshire, SG5 1DJ |
| DIXON, Steven Ian Graham RESIGNED | Director | 30 Oct 2001 | 17 May 2002 | England | April 1963 | Brook House, 77 High Street, Henlow, Bedfordshire, SG16 6AB |
| DURKIN, Christopher Simon RESIGNED | Director | 31 Aug 2006 | 01 Apr 2009 | | June 1963 | 4 Wharf Mews, Shortmead Street, Biggleswade, Bedfordshire, SG18 0AW |
| ENTICKNAP, Colin RESIGNED | Director | 01 Jan 2009 | 31 May 2024 | England | September 1958 | Spirella 2, Icknield Way, Letchworth Garden City, Hertfordshire, SG6 4GY |
| ENTICKNAP, Colin RESIGNED | Director | 15 Aug 1997 | 23 May 2008 | England | September 1958 | The Grange 4 Heath Road, Helpston, Peterborough, PE6 7EG |
| FORBES, Duncan Peter RESIGNED | Director | 17 May 2002 | 23 May 2008 | United Kingdom | August 1950 | 5 White Delves, Wellingborough, Northamptonshire, NN8 5XW |
| GLASPER, Neil Foley RESIGNED | Director | 30 Oct 2001 | 30 Apr 2002 | | April 1951 | 18 Brunswick Street, Teignmouth, Devon, TQ14 8AF |
| HILL, Andrew Richard RESIGNED | Director | 13 Aug 1997 | 15 Aug 1997 | | October 1958 | 31 Percheron Close, Impington, Cambridge, Cambridgeshire, CB4 9YX |
| LATHAM, Michael Anthony, Sir RESIGNED | Director | 23 May 2008 | 01 Apr 2009 | England | November 1942 | Rosary Farm 10 Arnhill Road, Gretton, Northants, NN17 3DN |
| LATHAM, Michael Anthony, Sir RESIGNED | Director | 16 Jan 2003 | 19 Mar 2003 | England | November 1942 | Rosary Farm 10 Arnhill Road, Gretton, Northants, NN17 3DN |
| SALKELD, David John RESIGNED | Director | 30 Oct 2001 | 30 Apr 2002 | | December 1958 | 11 Brancepeth View, Brandon, Durham, DH7 8TS |
| SHERIDAN, Christopher Julian RESIGNED | Director | 31 May 2019 | 26 May 2023 | England | February 1943 | Suite 201, The Spirella Building, Bridge Road, Letchworth Garden City, Hertfordshire, SG6 4ET, England |
| SHERIDAN, Christopher Julian RESIGNED | Director | 01 Jan 2005 | 23 May 2008 | United Kingdom | February 1943 | Flat 4, 15 Cheyne Place, London, SW3 4HH |
| TELFER, Andrew James William RESIGNED | Director | 23 May 2008 | 01 Feb 2010 | England | November 1967 | Lingfield House, East Grinstead Road, Lingfield, Surrey, RH7 6ES |
| TELFER, Andrew James William RESIGNED | Director | 23 Sep 2002 | 23 May 2008 | England | November 1967 | Lingfield House, East Grinstead Road, Lingfield, Surrey, RH7 6ES |
| WILLMOTT, Richard John RESIGNED | Director | 15 Aug 1997 | 17 May 2002 | United Kingdom | May 1963 | Westbury Farmhouse, West End, Ashwell, Hertfordshire, SG7 5PJ |