| Alan Edward Smith | Director | 20 Jul 1994 | 14 Aug 2000 | British | 69 years |
| Alan Ronald Cook | Director | 24 Jun 1997 | 14 Aug 2000 | British | 72 years |
| Alistair Ross | Director | 9 Apr 1994 | 31 Mar 1997 | British | 83 years |
| Annabel Clare Gillard | Director | 5 Jul 2018 | 30 Apr 2020 | British | 50 years |
| Anthony Simon Echalaz Allen | Director | 23 Apr 2009 | 31 Dec 2009 | British | 68 years |
| Bernard John Dawkins | Director | 17 Jul 2008 | 16 Jul 2016 | British | 82 years |
| Brenda Mary Northover | Director | 27 May 1998 | 30 Mar 2006 | British | 90 years |
| Brian Dennis Arrighi | Director | 24 Jun 1997 | 28 Mar 2002 | British | 74 years |
| Catherine Ellen Lewis | Director | 2 Dec 2009 | 31 Mar 2012 | British | 61 years |
| Cedric Caetano Joseph De Souza | Director | 11 Feb 2002 | 1 Nov 2002 | British | 70 years |
| Clifford George Calland | Director | 14 Jun 1992 | 27 May 1993 | British | 80 years |
| Colin Leslie Blythe | Director | 14 Jun 1992 | 17 Sept 1992 | British | 78 years |
| Corina Katherine Ross | Secretary | 27 May 1993 | 14 Jun 1993 | British | - |
| David Adam Shaffer | Director | 21 Feb 2011 | 31 Dec 2014 | British | 60 years |
| David Archer | Director | 1 Oct 1996 | 9 Apr 1998 | British | 72 years |
| David Charles Higgins | Director | 28 Mar 2007 | 8 Apr 2015 | British | 71 years |
| David Charles Higgins | Director | 20 Apr 2015 | 5 Jul 2018 | British | 71 years |
| David Charles Martin | Director | 20 Apr 2015 | 7 Nov 2019 | British | 69 years |
| David Colin Kendix | Director | 9 Apr 1996 | 30 Oct 1998 | British | 59 years |
| David Cooper Jones | Director | 14 Jun 1992 | 8 Apr 1996 | British | 82 years |
| David George Green | Director | 21 Jul 2003 | 1 Jul 2025 | British | 75 years |
| David Holtom | Director | 14 Jun 1992 | 14 Aug 1992 | British | 85 years |
| David John Geear | Director | 16 May 2002 | 8 Apr 2010 | British | 72 years |
| David Roy Linnell | Director | 14 Jun 1992 | 13 Jun 1997 | British | 81 years |
| David William Hanson | Director | 14 Jun 1992 | 14 Oct 1992 | British | 80 years |
| Deborah Louise Webb | Director | 9 Apr 2010 | 5 Dec 2017 | British | 61 years |
| Geoff Parrish | Director | 22 May 1996 | 1 Jan 2000 | British | 78 years |
| Geoffrey Foster Keeys | Director | 14 Jun 1992 | 30 Nov 1995 | British | 81 years |
| Gillian Kathleen Wood | Secretary | 22 Feb 1996 | 9 Jun 1999 | British | - |
| Gillian Starkie | Director | 1 Nov 2020 | 30 Sept 2021 | British | 47 years |
| Graham David Clay | Director | 14 Jun 1992 | 14 Aug 2000 | British | 78 years |
| Hilary Anne Lowe | Secretary | 10 Jun 1999 | 3 Mar 2000 | British | - |
| Iain Andrew Wright | Director | 18 Jul 2007 | 4 Mar 2009 | British | 60 years |
| Ian Stroud | Director | 17 Nov 1995 | 3 Dec 1999 | British | 78 years |
| James Alexander Gillespie | Director | 27 May 1993 | 30 Sept 1993 | British | 81 years |
| James Anthony Sherman | Director | 14 Jun 1992 | 8 Apr 1996 | British | 78 years |
| James Nicolas Mccann | Director | 1 Apr 1997 | 3 Dec 1999 | British | 74 years |
| James Robert Neville Bolton | Director | 8 Oct 2010 | 7 Oct 2014 | British | 52 years |
| Jane Celia Kibbey | Director | 1 Oct 1996 | 31 Aug 2005 | British | 75 years |
| Jennifer Sirrelle Board | Director | 23 Sept 2008 | 27 Nov 2009 | British | 70 years |
| John Alexander Worth | Director | 31 Jul 2002 | 19 Oct 2005 | British | 62 years |
| John David Paino | Director | 17 Jul 2016 | 16 Jul 2025 | British | 64 years |
| John Elliot Scott | Director | 14 Aug 1992 | 8 Apr 1994 | British | 81 years |
| John Francis Gould | Director | 14 Jun 1992 | 16 May 2002 | British | 73 years |
| John Olof Andrew Codling | Director | 9 Apr 2000 | 8 Apr 2008 | British | 58 years |
| Karen Lesley Robinson | Director | 1 May 2013 | 31 Jul 2017 | British | 64 years |
| Kim Stuart Lerche-thomsen | Director | 9 Jul 1999 | 31 Jul 2002 | British | 73 years |
| Lionel King | Director | 8 Dec 1998 | 12 May 2000 | British | 61 years |
| Lorraine Ingrid Baldry | Director | 14 Oct 1992 | 30 Jun 1998 | British | 76 years |
| Lucy Kate Williams | Director | 30 Jun 2010 | 31 Dec 2012 | British | 53 years |
| Lynda May Martin | Director | 8 Oct 2014 | 11 Sept 2015 | British | 58 years |
| Mark Alan Thompson | Director | 30 Mar 2006 | 8 Dec 2010 | British | 64 years |
| Michael Alexander Hodges | Director | 14 Jun 1992 | 31 Dec 1992 | British | 88 years |
| Michael David Abrahams | Director | 14 Jun 1992 | 23 Jul 2020 | British | 88 years |
| Michael Prince | Director | 15 Nov 1993 | 31 Aug 1995 | British | 76 years |
| Mukesh Keshavji Shah | Director | 7 Jan 1993 | 8 Apr 1996 | British | 69 years |
| Neville George Swift | Director | 9 Apr 2015 | 9 Apr 2019 | British | 56 years |
| Nicholas Ben-gough Alliston | Director | 14 Oct 1992 | 18 Jun 1997 | British | 79 years |
| Norman Black | Director | 9 Apr 1998 | 3 Dec 1999 | British | 76 years |
| Patricia Kathleen Hadland | Director | 14 Jun 1992 | 8 Apr 1994 | British | 95 years |
| Peter Gerard Owen O'donnell | Director | 17 Jul 2008 | 30 Oct 2009 | Irish | 59 years |
| Peter Howard Davis | Director | 24 Feb 2003 | 23 Feb 2007 | British | 77 years |
| Peter Jack Nowell | Director | 14 Jun 1992 | 9 Apr 1999 | British | 77 years |
| Peter James Stevens | Director | 14 Jun 1992 | 30 Jun 1996 | British | 82 years |
| Peter Robert Rawson | Secretary | 14 Jun 1992 | 22 Feb 1996 | British | - |
| Philip Arthur John Broadley | Director | 20 Feb 2002 | 6 May 2008 | British | 64 years |
| Priscilla Audrey Vacassin | Director | 17 Nov 2005 | 11 Jul 2008 | British | 68 years |
| Prudential Group Secretarial Services Limited | Corporate Secretary | 29 Nov 2001 | 10 Oct 2019 | United Kingdom | - |
| Richard Julian Field | Director | 31 Jul 2002 | 30 Jun 2003 | British | 62 years |
| Robert Hugh Bridges | Director | 14 Jun 1992 | 30 Jun 1994 | British | 82 years |
| Robert William Rutherford | Director | 12 Apr 2016 | 11 Apr 2024 | British | 53 years |
| Rodney Pennington Baker-bates | Director | 2 Oct 1998 | 20 Feb 2002 | British | 81 years |
| Roger John Seingier | Director | 9 Apr 2000 | 8 Apr 2004 | British | 77 years |
| Roger John Seingier | Director | 13 Jun 2006 | 10 Apr 2014 | British | 77 years |
| Rosemary Harris | Director | 17 Nov 2005 | 2 Feb 2007 | British | 67 years |
| Sean Phillip Cox | Director | 9 Apr 2000 | 24 Aug 2001 | Irish | 75 years |
| Simon James Iversen | Director | 1 Mar 2018 | 1 Sept 2023 | British | 43 years |
| Stephanie Alexandria Brewer | Director | 9 Apr 2004 | 31 Dec 2005 | British | 55 years |
| Stephen Fuller | Director | 9 Apr 2010 | 6 Aug 2010 | British | 68 years |
| Susan Diane Morgan | Secretary | 13 Jun 2001 | 29 Nov 2001 | British | - |
| Susan Doreen Windridge | Secretary | 1 Mar 2000 | 13 Jun 2001 | British | - |
| Terry Edward Hardie | Director | 22 May 1996 | 8 Apr 2000 | British | 72 years |
| Tracey Lee Wellard | Secretary | 22 Feb 1996 | 10 Jun 1999 | British | - |
| William Loach | Director | 9 Apr 1994 | 8 Apr 1998 | British | 85 years |
| Wolfgang-andreas Christian Bauer | Director | 1 May 2019 | 11 Jul 2025 | British | 44 years |