| BARNES, Laura Anne ACTIVE | Secretary | 30 Oct 2025 | | | | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| AGUILAR, Maria Gloria ACTIVE | Director | 26 Mar 2026 | | United Kingdom | October 1965 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| GILTHORPE, Rachael ACTIVE | Director | 26 Oct 2022 | | England | August 1989 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| HOPE, Gemma Rebecca ACTIVE | Director | 26 Oct 2022 | | England | August 1984 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| KANES, John ACTIVE | Director | 26 Mar 2026 | | England | March 1967 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| ROBINSON, Paul ACTIVE | Director | 26 Oct 2022 | | England | May 1961 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| TEMPLETON, Robert Stuart ACTIVE | Director | 11 Jul 2024 | | England | October 1969 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| TESSARO, Michelle ACTIVE | Director | 26 Mar 2026 | | England | July 1963 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| DAVIES, Emma RESIGNED | Secretary | 24 Feb 1997 | 01 Oct 1997 | | | 19 York Road, St Albans, Hertfordshire, AL1 4PL |
| DOUGLAS, Janet Maxwell RESIGNED | Secretary | 02 Feb 2023 | 07 Jul 2025 | | | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| GIBBS, Geoffrey Stephen RESIGNED | Secretary | 01 Jan 2014 | 01 Jan 2016 | | | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| HEDGECOCK, Elaine RESIGNED | Secretary | 01 Sep 2012 | 01 Jan 2014 | | | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| HOSKIN, Neil RESIGNED | Secretary | 08 Nov 2007 | 08 Nov 2007 | | | 1, Windsor Close, Borehamwood, Hertfordshire, WD6 5EL, Uk |
| JARVIS, Tim RESIGNED | Secretary | 14 Aug 2017 | 02 Feb 2023 | | | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| JOHNSON, Carolyn RESIGNED | Secretary | 17 Nov 2011 | 17 Feb 2012 | | | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| RODDE, Katharine Mary RESIGNED | Secretary | 31 Jul 2025 | 30 Oct 2025 | | | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| SADLER, William Joel RESIGNED | Secretary | 31 Mar 2012 | 01 Sep 2012 | | | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| SMART, Judith Mary RESIGNED | Secretary | 13 Feb 1999 | 17 Nov 2011 | | | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| ARHIRE, Ciprian RESIGNED | Director | 09 Jun 2025 | 09 Jul 2026 | England | December 1986 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| AYLETT, Philip John RESIGNED | Director | 21 May 2010 | 07 Jul 2015 | Great Britain | December 1951 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| BARZEY, John RESIGNED | Director | 19 Nov 2015 | 01 Mar 2019 | England | October 1932 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| BATE, Arthur Leonard Jack RESIGNED | Director | 24 Feb 1997 | 31 Aug 2013 | United Kingdom | March 1959 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| BAVISHI, Shashikant RESIGNED | Director | 22 May 2004 | 17 Nov 2011 | England | June 1947 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| BLAKER, Gary Mark RESIGNED | Director | 04 Jun 1998 | 22 Nov 2012 | England | June 1970 | Flat 2 13 Steeles Road, London, NW3 4SE |
| BRINE, Linda Anne RESIGNED | Director | 04 Jun 1998 | 08 Nov 2006 | | August 1948 | 20 Skylark Corner, Stevenage, SG2 9NL |
| BUZZARD, Michael Ashcroft RESIGNED | Director | 27 Sep 2000 | 22 Nov 2001 | | May 1940 | 39 West End, Ashwell, Baldock, Hertfordshire, SG7 5PH |
| CARTER, Richard Anthony RESIGNED | Director | 17 Nov 2011 | 12 Nov 2020 | England | June 1956 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| CATTERMOLE, Susan Jill RESIGNED | Director | 24 Feb 1997 | 04 Jun 1998 | | January 1963 | 8 Burgh Street, Islington, London, N1 8HF |
| CHAUHDRY, Waqas RESIGNED | Director | 19 Nov 2015 | 20 Sep 2020 | England | November 1979 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| CISNEROS, Alex RESIGNED | Director | 26 Oct 2022 | 31 Jan 2026 | England | January 1991 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| CORY, Glyn RESIGNED | Director | 14 Apr 1999 | 22 May 2004 | | December 1945 | 37 Ribbledale, London Colney, St. Albans, Hertfordshire, AL2 1TD |
| COTTON, Toby Hogarth RESIGNED | Director | 01 Sep 2019 | 26 Oct 2022 | England | December 1956 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| COTTON, Toby Hogarth RESIGNED | Director | 12 Nov 2014 | 22 Nov 2018 | England | December 1956 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| ELLIOTT, David Raglan John RESIGNED | Director | 04 Jun 1998 | 30 Nov 1999 | | March 1918 | 8 Hill Rise, Potters Bar, Hertfordshire, EN6 2RR |
| FLETCHER, Agnes Mary RESIGNED | Director | 22 Dec 2012 | 19 Nov 2015 | England | August 1967 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| FLINT, Bridget Juanita RESIGNED | Director | 19 Nov 2015 | 26 Oct 2022 | England | March 1949 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| GIBBS, Geoffrey Stephen RESIGNED | Director | 05 Dec 2013 | 26 Oct 2022 | United Kingdom | December 1951 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| GODFREY, John Patrick RESIGNED | Director | 05 Dec 2013 | 21 Jul 2016 | United Kingdom | March 1963 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| GOSS, Nicholas Michael RESIGNED | Director | 17 Nov 2011 | 19 Nov 2015 | United Kingdom | November 1970 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| GOULD, Michael RESIGNED | Director | 04 Nov 2010 | 07 Jun 2011 | United Kingdom | October 1949 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| GRAY, Mark James RESIGNED | Director | 19 Nov 2015 | 10 Jan 2018 | England | March 1961 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| GREEN, Robert Charles RESIGNED | Director | 08 Feb 2003 | 22 May 2004 | | April 1949 | 8 Chancellors Road, Stevenage, Hertfordshire, SG1 4AP |
| HARDING, Sandra Elizabeth RESIGNED | Director | 01 Dec 2018 | 31 Mar 2024 | England | November 1964 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| HARWOOD-ARMITAGE, Genna RESIGNED | Director | 14 Nov 2019 | 02 Mar 2022 | England | May 1985 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| HASLER, Frances Noel RESIGNED | Director | 19 Nov 2015 | 23 Nov 2017 | England | December 1954 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| HOLLAND, Ian RESIGNED | Director | 20 Apr 2021 | 19 Nov 2025 | England | June 1986 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| HOSKIN, Neil RESIGNED | Director | 08 Nov 2007 | 19 Jan 2012 | United Kingdom | May 1962 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| HUTCHINGS, Leigh Peter RESIGNED | Director | 04 Nov 2010 | 06 Jul 2019 | England | June 1959 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| KILDARE, Antony Patrick RESIGNED | Director | 28 Jan 2021 | 30 Sep 2025 | United Kingdom | November 1960 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| KINSEY, Jacqueline Ann RESIGNED | Director | 14 Nov 2019 | 31 Mar 2025 | England | October 1967 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| KUMARA-MOORTHY, Sundera RESIGNED | Director | 05 Dec 2013 | 26 Oct 2022 | United Kingdom | April 1956 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| LAWRENCE, Philip John RESIGNED | Director | 27 Sep 2000 | 22 Nov 2012 | England | January 1965 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| LEE, Andrew Jeffrey RESIGNED | Director | 24 Feb 1997 | 27 Sep 2000 | | August 1969 | 8 Columbus Close, Stevenage, Hertfordshire, SG2 0NA |
| LEE, Carol Alice RESIGNED | Director | 24 Jun 1999 | 05 Dec 2013 | United Kingdom | January 1960 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| LIGHTFEET, Olivia Lucy RESIGNED | Director | 04 Dec 2004 | 04 Nov 2010 | United Kingdom | March 1962 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| LUSACK, Iris RESIGNED | Director | 24 Feb 1997 | 06 Nov 2008 | | June 1931 | 203 Whippendell Road, Watford, Hertfordshire, WD18 7NN |
| MAYLIN, Richard John RESIGNED | Director | 24 Feb 1997 | 27 Sep 2000 | | August 1959 | 138 Hardy Close, Hitchin, Hertfordshire, SG4 0DW |
| MCGRATH, Andrew RESIGNED | Director | 20 Apr 2021 | 09 Oct 2025 | United Kingdom | August 1979 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| MCGURK, Lauren May Langford RESIGNED | Director | 14 Nov 2019 | 29 Mar 2022 | England | August 1989 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| MILES, Edna Margaret RESIGNED | Director | 24 Feb 1997 | 04 Jun 1998 | | September 1924 | Loretta Cottage, St Elizabeths, Much Hadham, Hertfordshire |
| MILLER, Mitchell RESIGNED | Director | 14 Nov 2019 | 31 Mar 2024 | United Kingdom | July 1990 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| MILLS, Corinne RESIGNED | Director | 26 Oct 2022 | 09 Oct 2025 | England | February 1971 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| MOHAMED, Abdihaken RESIGNED | Director | 26 Oct 2022 | 30 Sep 2025 | England | March 1990 | Suite 4, Middlesex House, Meadway Corporate Centre, Stevenage, SG1 2EF, England |
| MURPHY, Christopher Samuel RESIGNED | Director | 04 Jun 1998 | 27 Sep 2000 | | April 1951 | 40 Waldegrave Park, Harpenden, Hertfordshire, AL5 5SF |
| PARRY, John Owen RESIGNED | Director | 04 Jul 1998 | 04 Nov 2010 | Great Britain | January 1935 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| PATEL, Aruna RESIGNED | Director | 06 Nov 2008 | 22 Nov 2018 | England | July 1951 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| PATEL, Sarifa RESIGNED | Director | 23 Nov 2017 | 22 Nov 2018 | England | August 1959 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| RATHBONE, Steven Paul RESIGNED | Director | 27 Sep 2000 | 17 Nov 2011 | United Kingdom | December 1973 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| RATHBONE, Steven Paul RESIGNED | Director | 24 Feb 1997 | 24 Jun 1999 | United Kingdom | December 1973 | 2 Wheatley Close, Welwyn Garden City, Hertfordshire, AL7 3LJ |
| SMART, Judith Mary RESIGNED | Director | 24 Feb 1997 | 17 Nov 2011 | England | May 1945 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| SPOONER, Wanda RESIGNED | Director | 24 Jun 1999 | 17 Nov 2011 | United Kingdom | January 1959 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| WAINWRIGHT, Robert Barton RESIGNED | Director | 02 Aug 2018 | 31 Jul 2020 | United Kingdom | November 1958 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE |
| WILKIN, Lesley Patricia RESIGNED | Director | 31 Mar 2012 | 19 Nov 2015 | England | April 1958 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |
| WYATT, Tracey RESIGNED | Director | 19 Sep 2009 | 31 Jan 2013 | United Kingdom | May 1969 | Hertlands House, Primett Road, Stevenage, Hertfordshire, SG1 3EE, United Kingdom |