| Alfred Michael Heath | Director | 31 Dec 1991 | 1 Dec 1992 | British | 90 years |
| Aviva Company Secretarial Services Limited | Corporate Secretary | 17 Mar 2017 | 1 Sept 2021 | United Kingdom | - |
| Bryan Turnock | Director | 30 Aug 1993 | 28 Jun 1996 | British | 75 years |
| Campbell Robert Macpherson | Director | 15 Jan 2004 | 2 Nov 2006 | British | 63 years |
| Charles Roy Bryant | Director | 15 Jan 2004 | 31 Jan 2006 | British | 56 years |
| David Alan Simpson | Director | 15 Apr 1992 | 30 Jun 1996 | British | 66 years |
| David John Burlison | Director | 24 Sept 2015 | 27 Jul 2017 | British | 53 years |
| David Taylor | Secretary | 17 Jun 1992 | 1 Oct 1996 | British | - |
| Diana Monger | Secretary | 31 Dec 2009 | 27 Apr 2012 | - | - |
| Elizabeth Andrea Gray | Secretary | 1 Jun 2004 | 8 Jun 2007 | British | - |
| Frederick Peter Beaumont | Director | 31 Dec 1991 | 31 Aug 1992 | British | 91 years |
| Friends Life Secretarial Services Limited | Corporate Secretary | 27 Apr 2012 | 17 Mar 2017 | United Kingdom | - |
| George Higginson | Director | 11 Aug 2011 | 7 Jan 2014 | British | 63 years |
| Graham Roderick Nixey | Director | 28 Aug 1991 | 23 Apr 1992 | British | 69 years |
| Ivan Martin | Director | 1 May 1996 | 28 Oct 2002 | British | 71 years |
| Ivan Martin | Director | 6 Dec 2007 | 8 Apr 2013 | British | 71 years |
| James Allen Newman | Director | 8 Jan 2014 | 30 Jun 2015 | British | 62 years |
| James Joseph Gaskin | Director | 7 Nov 1994 | 30 Nov 2000 | British | 81 years |
| James Michael Kelly | Director | 7 Sept 2017 | 15 Dec 2019 | British | 70 years |
| Jeremy Peter Fish | Director | 1 Feb 2002 | 14 Feb 2003 | British | 61 years |
| John Cowan | Director | 22 Jun 2015 | 1 Jul 2020 | British | 79 years |
| John Gilbert Sussens | Director | 1 Apr 1998 | 15 Jan 2004 | British | 81 years |
| John Kevin Lomax | Director | 31 Dec 1991 | 27 Jan 1998 | British | 78 years |
| John Richard Uttley | Director | 1 Mar 2000 | 21 Jul 2003 | British | 81 years |
| Julie Ann Sadler | Director | 26 Jun 2013 | 20 Dec 2013 | British | 55 years |
| Julie Ann Sadler | Director | 17 Apr 2020 | 9 Mar 2021 | British | 55 years |
| Kate Louise Sparkes | Director | 12 Dec 2022 | 3 Jan 2025 | British | 47 years |
| Kevin John Budge | Director | 1 Mar 2000 | 24 Jul 2003 | British | 65 years |
| Lisa Winnard | Director | 8 Jan 2014 | 24 Sept 2015 | British | 54 years |
| Lisa Winnard | Director | 27 Jul 2017 | 31 Jan 2020 | British | 54 years |
| Lorna Elizabeth Graham | Director | 20 Sept 1993 | 2 Jun 1997 | British | 73 years |
| Mark Thomas Wadelin | Director | 18 Sept 2002 | 30 Jun 2010 | British | 65 years |
| Martin Davis | Director | 15 Jan 2004 | 30 Nov 2004 | British | 64 years |
| Maxwell John Wright | Director | 1 Mar 2000 | 1 Oct 2001 | British | 62 years |
| Michael Alastair Couzens | Director | 21 Mar 2001 | 28 Feb 2013 | British | 62 years |
| Michael John Grant | Director | 1 Dec 1996 | 29 Dec 2000 | British | 70 years |
| Michael Kevin O'leary | Director | 17 Jun 1992 | 1 Apr 1998 | British | 74 years |
| Michele-louise Frances Golunska | Director | 20 Apr 2020 | 29 Jul 2022 | British | 59 years |
| Patrick Nigel Christopher Gale | Director | 8 Dec 2000 | 6 Dec 2007 | British | 66 years |
| Paul Christopher Waters | Secretary | 2 Dec 1999 | 30 Nov 2002 | British | - |
| Paul Hooper | Director | 1 Jul 2010 | 7 Jan 2014 | British | 58 years |
| Peter Laurence Tann | Director | 1 Oct 1992 | 24 Nov 1994 | British | 80 years |
| Raymond Bernard Fear | Director | 1 Mar 2000 | 1 Jun 2001 | British | 80 years |
| Richard Francis | Director | 10 Jan 1994 | 1 Oct 2001 | British | 65 years |
| Richard James Howells | Director | 11 Sept 2019 | 12 May 2023 | British | 55 years |
| Richard Laurence Ham | Secretary | 30 Nov 2002 | 1 Jun 2004 | British | - |
| Robert Gordon Ellis | Secretary | 8 Jun 2007 | 31 Dec 2009 | British | - |
| Robert Michael Powell | Director | 31 Dec 1991 | 1 Dec 1992 | British | 85 years |
| Robert Paul Morgan | Director | 1 Dec 1995 | 2 Jan 1998 | British | 69 years |
| Roger Hugh Morgan | Director | 31 Dec 1991 | 31 Aug 1992 | British | 81 years |
| Ross King Graham | Director | 1 Apr 1998 | 1 Mar 2000 | British | 79 years |
| Ross Liston | Director | 5 Sept 2022 | 14 Oct 2022 | British | 55 years |
| Roy Henry Francis Croft | Director | 16 Dec 1994 | 31 May 1998 | British | 90 years |
| Sarah Louise Batham | Director | 9 Mar 2021 | 24 Apr 2024 | British | 45 years |
| Stephen Charles Gazard | Director | 8 Jan 2014 | 23 Feb 2017 | British | 50 years |
| Stephen Young | Director | 15 Jan 2004 | 24 Nov 2010 | British | 66 years |
| Trevor Arthur Jacobs | Director | 2 Mar 1992 | 1 Dec 1992 | British | 67 years |
| Trevor Arthur Jacobs | Secretary | 31 Dec 1991 | 17 Jun 1992 | British | - |
| Zoe Vivienne Durrant | Secretary | 1 Oct 1996 | 2 Dec 1999 | British | - |