| Bryan Donald Needham | Director | 1 Feb 1995 | 29 Feb 2000 | British | 84 years |
| Bryan Donald Needham | Director | 8 Aug 2001 | 10 Jun 2004 | British | 84 years |
| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Nov 2005 | 1 Dec 2008 | - | - |
| Capita Corporate Director Limited | Corporate Director | 31 Mar 2008 | 3 Nov 2017 | United Kingdom | - |
| Capita Group Secretary Limited | Corporate Secretary | 1 Dec 2008 | 3 Nov 2017 | United Kingdom | - |
| Carl Steven Baldry | Director | 15 Sept 2016 | 15 Jan 2021 | British | 60 years |
| Caroline Mary Burton | Director | 31 May 1992 | 31 Jul 1999 | British | 76 years |
| Christopher Spencer Cheetham | Director | 15 Sept 1999 | 8 Aug 2001 | British | 71 years |
| Clive Anthony Tomkins | Director | 25 Jul 1995 | 11 Apr 2000 | British | 67 years |
| Colin Arthur Benford | Director | 27 Jul 2015 | 31 Jan 2024 | British | 64 years |
| David John Osborne | Director | 15 Sept 2016 | 6 Sept 2018 | Australian | 43 years |
| Derek Barnes | Director | 31 May 1992 | 30 Dec 1994 | British | 79 years |
| Gordon Mark Hurst | Director | 8 Aug 2001 | 31 Mar 2008 | British | 64 years |
| Gordon Mark Hurst | Secretary | 8 Aug 2001 | 31 Oct 2005 | British | - |
| Harvey Frederick Lightfoot | Director | 9 Oct 1995 | 13 Jan 1997 | British | 79 years |
| Ian David Lea Richardson | Secretary | 31 Oct 1999 | 8 Aug 2001 | British | - |
| John Reginald William Clayton | Secretary | 31 May 1992 | 31 Oct 1999 | British | - |
| John William Peel | Director | 12 Mar 2003 | 31 Mar 2007 | British | 79 years |
| Jonathan Glyn Vickers | Director | 10 May 2005 | 21 Apr 2009 | British | 64 years |
| Link Group Corporate Director Limited | Corporate Director | 3 Nov 2017 | 28 Jun 2019 | United Kingdom | - |
| Link Group Corporate Secretary Limited | Corporate Secretary | 3 Nov 2017 | 28 Jun 2019 | United Kingdom | - |
| Nicholas Charles Everard | Director | 5 Jul 2004 | 10 May 2005 | British | 70 years |
| Peter David Malcolm | Director | 31 Jan 2024 | 15 Sept 2025 | British | 62 years |
| Peter Frank Smith | Director | 12 Apr 2000 | 26 Jun 2001 | British | 73 years |
| Peter John Davey | Director | 31 May 1992 | 8 May 1998 | British | 79 years |
| Peter John Fairweather | Director | 8 Feb 1999 | 3 Mar 2000 | British | 65 years |
| Richard Clive Lewis-jones | Director | 31 May 1992 | 12 Apr 2000 | British | 78 years |
| Richard John Shearer | Director | 31 Mar 2007 | 31 Mar 2008 | British | 62 years |
| Robert Charles Coyle | Director | 8 Aug 2001 | 22 Nov 2005 | British | 61 years |
| Stanley Crosbie | Director | 31 May 1992 | 5 Feb 1999 | British | 88 years |
| Stuart Chapell | Director | 1 Jul 1998 | 22 Feb 2000 | British | 70 years |
| Susan Elizabeth Lawrence | Director | 21 Apr 2009 | 31 Jul 2015 | British | 65 years |
| Timothy James Palmer | Director | 12 Apr 2000 | 8 Aug 2001 | British | 72 years |