| Adrian David Unitt | Director | 5 Jul 2012 | 23 May 2013 | British | 63 years |
| Adriano Maio | Director | 3 Nov 2016 | 16 Dec 2021 | British | 45 years |
| Alan John Avey | Director | 20 Dec 2013 | 3 Nov 2016 | British | 56 years |
| Andrew David Herbert-read | Director | 16 Dec 2021 | 8 Mar 2024 | British | 38 years |
| Andrew Gavan Jinks | Director | 17 May 2004 | 18 May 2007 | British | 75 years |
| Andrew Thornton Brady | Director | 18 May 2007 | 30 Nov 2008 | British | 62 years |
| Benjamin Michael O'rourke | Director | 20 Apr 2011 | 28 Sept 2012 | Australian | 53 years |
| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Sept 2013 | 28 Aug 2015 | United Kingdom | - |
| Claire Marianne Pettett | Director | 9 Jun 2014 | 3 Nov 2016 | British | 51 years |
| Claire Puttergill | Secretary | 24 Apr 2002 | 17 Oct 2003 | British | - |
| Colin Thomas Murphy | Director | 18 May 2007 | 15 Oct 2020 | Irish | 60 years |
| David Brookes | Director | 24 Apr 2002 | 21 May 2004 | British | 60 years |
| David John Teague | Director | 18 May 2007 | 31 Jan 2009 | British | 63 years |
| David John Walker | Director | 24 Apr 2002 | 26 Aug 2003 | British | 67 years |
| Elizabeth Taylor | Secretary | 1 Feb 2004 | 8 Jul 2005 | British | - |
| Georgina Jane Scott | Director | 20 Dec 2013 | 9 Jun 2014 | British | 51 years |
| Jennifer Draper | Secretary | 3 Nov 2016 | 21 Dec 2016 | - | - |
| Joanne Marie Day | Director | 19 Mar 2009 | 30 Sept 2011 | British | 53 years |
| John David Clark | Director | 1 May 2018 | 16 Dec 2021 | British | 56 years |
| Justin Davies | Director | 30 Jan 2019 | 18 Feb 2021 | Australian | 50 years |
| Peter Dominic Leonard | Director | 18 Feb 2021 | 31 Oct 2024 | British | 62 years |
| Philip Arthur Darcy | Director | 18 May 2007 | 30 Jun 2009 | British | 75 years |
| Rebecca Jayne Seeley | Director | 3 Nov 2016 | 1 May 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 | 24 Sept 2003 | 20 Apr 2011 | British | 65 years |
| Stephen John Wheatcroft | Director | 18 May 2007 | 30 Jun 2009 | British | 69 years |
| Thanalakshmi Janandran | Secretary | 8 Jul 2005 | 16 Aug 2013 | British | - |