| HP SECRETARIAL SERVICES LIMITED ACTIVE | Secretary | 15 Jul 2013 | | | | Nene House, 4 Rushmills, Northampton, NN4 7YB, England |
| DUTY, Keith ACTIVE | Director | 17 Jan 2023 | | United States | March 1969 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| POCOCK, Jane ACTIVE | Director | 30 Jun 2021 | | United Kingdom | April 1971 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| POWERS, Stephen ACTIVE | Director | 04 May 2026 | | United States | January 1963 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| STEARNS, Leah Canham ACTIVE | Director | 17 Jan 2023 | | United States | July 1980 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| ATTWOOD, Jeremy RESIGNED | Secretary | 29 Aug 1995 | 31 Oct 1997 | | | 5 Bacon Hill, Olney, Buckinghamshire, MK46 5QJ |
| BRAMALL, Colin Stephen RESIGNED | Secretary | 01 Feb 1999 | 31 Jan 2000 | | | Orion House Station Lane, Farnsfield, Newark, Nottinghamshire, NG22 8LB |
| HOWLETT, Judie May RESIGNED | Secretary | 04 Sep 2007 | 30 Apr 2008 | | | 42 Babylon Grove, Westcroft, Milton Keynes, Buckinghamshire, MK4 4GH |
| HYNES, Martin Christopher RESIGNED | Secretary | 03 Nov 1997 | 01 Feb 1999 | | | 107 Wolsey Road, Moor Park, Northwood, Hertfordshire, HA6 2EB |
| JACKSON, Sheila RESIGNED | Secretary | | 29 Aug 1995 | | | 12 Roslyn Way, Houghton Regis, Dunstable, Bedfordshire, LU5 6JY |
| LISTER, Anne Elizabeth RESIGNED | Secretary | 31 Jan 2000 | 31 Jan 2007 | | | Haggle House, Scole Road, Thorpe Abbotts, Diss, Norfolk, IP21 4HS |
| SOMERVILLE, Andy Forbes RESIGNED | Secretary | 01 Feb 2007 | 04 Sep 2007 | | | Robin Hill London Road, Chalfont St Giles, Buckinghamshire, HP8 4NQ |
| WESTWOOD, Carl Jonathan RESIGNED | Secretary | 01 May 2008 | 02 Jul 2013 | | | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| BASSETT, Clifford Sydney, Mr. RESIGNED | Director | | 31 Dec 1999 | United Kingdom | February 1936 | Top Farm West End Road, Kempston, Bedfordshire, MK43 8RU |
| BASSETT, Margaret Anne RESIGNED | Director | | 07 Aug 1995 | | June 1935 | Harling House Harling Road, Eaton Bray, Dunstable, Bedfordshire, LU6 1QY |
| BASSETT, Stewart Sonny RESIGNED | Director | | 31 Dec 1999 | England | September 1961 | 33 Common Road, Studham, Dunstable, Bedfordshire, LU6 2NQ |
| BIRD, Richard Michael RESIGNED | Director | | 07 Apr 1997 | England | November 1946 | Grove Lodge, 143 London Road, St. Albans, Hertfordshire, AL1 1TA |
| CANNING, Jonathan David RESIGNED | Director | 18 Jan 2016 | 18 Jun 2020 | England | May 1972 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| CHUDASAMA, Biju RESIGNED | Director | 09 Dec 2002 | 11 Aug 2004 | United Kingdom | May 1968 | 2 Barnfield Drive, Solihull, West Midlands, B92 0QB |
| COOK, Jonathan Charles RESIGNED | Director | 12 Oct 2001 | 10 Jan 2003 | | March 1958 | The Backs, 38 South Parade, Harbury, Leamington Spa, Warwickshire, CV33 9JE |
| CUTHBERTSON, Robert Maxwell RESIGNED | Director | | 31 Dec 1991 | | December 1935 | Cottage Farm, Hamerton, Huntingdon, Cambridgeshire, PE17 5QW |
| DEPASQUALE, Gregory RESIGNED | Director | 08 Jan 2019 | 23 Dec 2022 | United States | September 1968 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| FRANKLIN, William Easley RESIGNED | Director | 08 Jan 2019 | 13 Dec 2019 | United States | February 1956 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| HAGGERWOOD, Peter RESIGNED | Director | 06 Jun 2012 | 24 Feb 2016 | United Kingdom | May 1977 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| HYNES, Martin Christopher RESIGNED | Director | 03 Nov 1997 | 19 May 2004 | United Kingdom | June 1957 | 107 Wolsey Road, Moor Park, Northwood, Hertfordshire, HA6 2EB |
| KIRKPATRICK, Paul Kevin RESIGNED | Director | 17 Jan 2023 | 01 Dec 2024 | United States | August 1971 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| LIAW, Jeffrey RESIGNED | Director | 18 Jun 2020 | 17 Jan 2023 | United States | January 1977 | 14185, Dallas Parkway, Suite 300, Dallas, TX 75254, United States |
| LOWY, Russell Dennis RESIGNED | Director | 25 Sep 2012 | 30 Apr 2014 | United States Of America | March 1959 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| MCGILL, Alastair James RESIGNED | Director | 23 Feb 2000 | 12 Oct 2001 | | June 1944 | 151 Dorridge Road, Dorridge, Solihull, West Midlands, B93 8BN |
| MITZ, Vincent William RESIGNED | Director | 28 Aug 2007 | 08 Jan 2019 | United States | May 1963 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| PAGET, Nigel James RESIGNED | Director | 06 Jun 2012 | 18 Jun 2020 | England | April 1966 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| PALMER-BAUNACK, Avril RESIGNED | Director | 29 Apr 2005 | 28 Aug 2007 | England | April 1964 | Whitings, Gayhurst, Newport Pagnell, Buckinghamshire, MK16 8LG |
| POWERS, Stephen RESIGNED | Director | 18 Jun 2020 | 01 Dec 2024 | United States | January 1963 | 14185, Dallas Parkway, Suite 1500, Dallas, TX 75254, United States |
| SANDY, Nigel Desmond Alexander RESIGNED | Director | 19 May 2004 | 30 Apr 2005 | England | August 1944 | 3 Collett Way, Frome, Somerset, BA11 2XN |
| SOMERVILLE, Andy Forbes RESIGNED | Director | 26 Apr 2006 | 04 Sep 2007 | England | November 1959 | Robin Hill London Road, Chalfont St Giles, Buckinghamshire, HP8 4NQ |
| STYER, Paul Anthony RESIGNED | Director | 04 Sep 2007 | 18 Jun 2020 | United States | February 1956 | Acrey Fields, Woburn Road, Wootton, Bedfordshire, MK43 9EJ |
| THOMAS, Anne Elizabeth RESIGNED | Director | 27 Aug 2004 | 26 Apr 2006 | | March 1953 | Apartment 010 East Wing,, Fairfield Hall, Kingsley Avenue, Stotfold, Bedfordshire, SG5 4FX |
| VERHAGE, Hessel Bruce RESIGNED | Director | 01 Dec 2024 | 27 Feb 2026 | United States | November 1971 | 14185, Dallas Parkway, Suite 300, Dallas, Texas, 75254, United States |
| WILLIAMS, Geoffrey Kenneth RESIGNED | Director | | 31 Mar 1998 | | April 1945 | 3a Main Road, Biddenham, Bedford, MK40 4BB |