| Ann Rosemary Kennell | Director | 1 Nov 2000 | 19 Sept 2007 | British | 80 years |
| Ann Rosemary Kennell | Secretary | 4 Oct 1996 | 19 Sept 2007 | British | - |
| Capita Company Secretarial Services Limited | Corporate Secretary | 19 Sept 2007 | 1 Dec 2008 | - | - |
| Capita Group Secretary Limited | Corporate Secretary | 1 Dec 2008 | 3 Nov 2017 | United Kingdom | - |
| Colin Arthur Benford | Director | 7 Jul 2010 | 31 Jan 2024 | British | 64 years |
| David Rovere Barnfather | Director | 20 Aug 2008 | 30 Jun 2015 | British | 82 years |
| Ian Nicholas Allenby | Director | 17 Jan 1992 | 31 Jul 2007 | British | 72 years |
| Jane Kathryn Fryer | Director | 12 Mar 2003 | 24 Jul 2024 | British | 65 years |
| John William Hough | Director | 17 Jan 1992 | 31 Mar 2008 | British | 73 years |
| John William Hough | Director | 31 Mar 2008 | 9 Jan 2009 | British | 73 years |
| Jonathan Glyn Vickers | Director | 19 Sept 2007 | 21 Apr 2009 | British | 64 years |
| Link Group Corporate Secretary Limited | Corporate Secretary | 3 Nov 2017 | 28 Jun 2019 | United Kingdom | - |
| Michael Addenbrooke | Director | 19 Sept 2007 | 20 Dec 2007 | British | 71 years |
| Michael Anthony Clark | Director | 17 Jan 2012 | 19 Sept 2012 | British | 69 years |
| Michael Jon Fahy | Secretary | 17 Jan 1992 | 4 Oct 1996 | British | - |
| Nigel Paul Hacking | Director | 17 Jan 1992 | 31 Oct 2000 | British | 70 years |
| Sean Peter Martin | Director | 20 Dec 2007 | 7 Jul 2010 | British | 61 years |
| Simon John Davies | Director | 19 Sept 2007 | 20 Dec 2007 | British | 58 years |
| Stephen David Parkinson | Director | 19 Sept 2007 | 20 Dec 2007 | British | 63 years |
| Steve Jones | Director | 20 Aug 2008 | 30 Jun 2018 | British | 66 years |