| Adrian David Unitt | Director | 20 Apr 2011 | 22 May 2013 | British | 63 years |
| Adriano Maio | Director | 3 Nov 2016 | 16 Dec 2021 | British | 45 years |
| Alan John Avey | Director | 30 Sept 2013 | 3 Nov 2016 | British | 56 years |
| Alexander Nigel Mcarthur | Director | 1 May 1994 | 30 Jul 1999 | British | 80 years |
| Alexander Nigel Mcarthur | Secretary | 13 Jun 1995 | 16 Feb 1996 | British | - |
| Andrew David Herbert-read | Director | 16 Dec 2021 | 8 Mar 2024 | British | 38 years |
| Andrew Michael Saunders-davies | Director | 17 Sept 1996 | 8 Jul 2005 | British | 68 years |
| Anthony Peter Moul | Secretary | 1 Feb 1993 | 13 Jun 1995 | British | - |
| Anthony Roy Foster | Director | 30 Jul 1999 | 9 Sept 2002 | British | 62 years |
| Anthony William Pidgley | Director | 11 Aug 2004 | 8 Jul 2005 | British | 79 years |
| Benjamin Michael O'rourke | Director | 20 Apr 2011 | 28 Sept 2012 | Australian | 53 years |
| Brian Richard Davies | Director | 17 Sept 1996 | 10 Dec 1997 | British | 72 years |
| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Sept 2013 | 28 Aug 2015 | United Kingdom | - |
| Christopher Richard Thompson | Director | 5 Aug 1998 | 16 Jun 1999 | British | 62 years |
| Claire Puttergill | Secretary | 16 Sept 1996 | 17 Oct 2003 | British | - |
| David William Jackson | Director | 1 Feb 1993 | 1 May 1994 | British | 82 years |
| Elizabeth Taylor | Secretary | 1 Feb 2004 | 8 Jul 2005 | British | - |
| Gavin Vaughan Stewart | Director | 3 May 2001 | 20 Feb 2004 | British | 67 years |
| Geoffrey Hutchinson | Director | 8 Jul 2005 | 31 Jul 2010 | British | 68 years |
| Geoffrey Jackson-clark | Director | 1 Feb 1993 | 17 Jun 1993 | British | 81 years |
| Geoffrey Murrain | Director | 3 May 2001 | 31 Mar 2003 | British | 72 years |
| Graham John Roper | Director | 1 May 1994 | 31 Jan 1999 | British | 80 years |
| Jennifer Draper | Secretary | 3 Nov 2016 | 10 Jan 2017 | - | - |
| John Anthony Kennedy | Director | 10 Dec 1997 | 22 Apr 1999 | British | 63 years |
| John David Clark | Director | 23 Apr 2018 | 16 Dec 2021 | British | 56 years |
| Justin Davies | Director | 30 Jan 2019 | 18 Feb 2021 | Australian | 50 years |
| Malcolm Powell | Director | 1 Feb 1993 | 1 May 1994 | British | 87 years |
| Nicholas Mark Trott | Director | 5 Aug 1998 | 24 Sept 1999 | British | 62 years |
| Peter Dominic Leonard | Director | 18 Feb 2021 | 31 Oct 2024 | British | 62 years |
| Peter John Francis | Director | 1 Feb 1993 | 1 Dec 1992 | British | 73 years |
| Rameen Firoozan | Director | 31 Mar 2003 | 8 Jul 2005 | British | 62 years |
| Rebecca Jayne Seeley | Director | 3 Nov 2016 | 23 Apr 2018 | British | 46 years |
| Richard Andrew Coppell | Director | 28 Sept 2012 | 31 May 2013 | British | 59 years |
| Richard John Cook | Director | 23 May 2013 | 31 Jan 2019 | British | 55 years |
| Richard Justin Starkey | Director | 8 Jul 2005 | 20 Apr 2011 | British | 65 years |
| Robert Charles Grenville Perrins | Director | 11 Aug 2004 | 8 Jul 2005 | British | 61 years |
| Roger Gordon Lee | Secretary | 16 Feb 1996 | 30 Aug 1996 | British | - |
| Roger St John Hulton Lewis | Director | 1 Dec 1992 | 8 Jul 2005 | British | 79 years |
| Steven Harrison | Director | 3 May 2001 | 8 Jul 2005 | British | 62 years |
| Thanalakshmi Janandran | Secretary | 8 Jul 2005 | 16 Aug 2013 | British | - |
| Timothy John Rodway | Director | 21 Apr 1999 | 8 Jul 2005 | British | 68 years |