| Adrian David Unitt | Director | 5 Jul 2012 | 23 May 2013 | British | 63 years |
| Alexander Nigel Mcarthur | Secretary | 13 Jun 1995 | 16 Feb 1996 | British | - |
| Alistair Cutts | Secretary | 14 Mar 2006 | 28 Jun 2007 | British | - |
| Andrew David Silverback | Director | 8 Jul 2005 | 4 Oct 2005 | British | 57 years |
| Andrew Gavan Jinks | Director | 7 Jan 2003 | 22 Aug 2007 | British | 75 years |
| Andrew James Chorley | Director | 2 Dec 2014 | 30 Oct 2015 | British | 51 years |
| Andrew Thornton Brady | Director | 7 Jan 2003 | 20 Nov 2008 | British | 62 years |
| Anthony Peter Moul | Secretary | 1 Feb 1993 | 13 Jun 1995 | British | - |
| Anthony William Pidgley | Director | 1 Dec 1992 | 8 Jul 2005 | British | 79 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 | 30 Oct 2015 | British | 51 years |
| Claire Puttergill | Secretary | 16 Sept 1996 | 17 Oct 2003 | British | - |
| Daniel Labbad | Director | 26 Jun 2006 | 31 Oct 2012 | Australian | 54 years |
| David John Walker | Director | 1 Nov 2001 | 27 Aug 2003 | British | 67 years |
| David Keith Perry | Director | 8 Jul 2005 | 10 Feb 2006 | British | 66 years |
| David William Jackson | Director | 1 Feb 1993 | 10 Sept 1998 | British | 82 years |
| Elizabeth Taylor | Secretary | 1 Feb 2004 | 8 Jul 2005 | British | - |
| Geoffrey Hutchinson | Director | 1 Jul 1994 | 31 Jul 2010 | British | 68 years |
| Geoffrey Jackson-clark | Director | 1 Nov 1992 | 17 Jun 1993 | British | 81 years |
| Geoffrey Ross Willetts | Director | 31 Oct 2024 | 27 Jun 2025 | British | 46 years |
| Georgina Jane Scott | Director | 28 Mar 2008 | 16 Jul 2014 | British | 51 years |
| Georgina Jane Scott | Director | 30 Oct 2015 | 27 Jan 2017 | British | 51 years |
| Georgina Jane Scott | Director | 19 Jun 2018 | 14 Mar 2019 | British | 51 years |
| James Robert Walsh | Director | 1 Aug 2013 | 30 Oct 2015 | British | 40 years |
| Jarid Russell Mathie | Director | 7 Feb 2022 | 2 May 2024 | Australian | 47 years |
| Jennifer Draper | Secretary | 28 Aug 2015 | 22 Mar 2017 | - | - |
| Joanne Marie Day | Director | 20 Nov 2008 | 30 Sept 2011 | British | 53 years |
| John David Clark | Director | 19 Jun 2018 | 2 Feb 2022 | British | 56 years |
| Jonathan Michael Emery | Director | 27 Jan 2017 | 13 Dec 2019 | British | 60 years |
| Justin Davies | Director | 30 Jan 2019 | 18 Feb 2021 | Australian | 50 years |
| Keith David Pepperdine | Director | 26 Sept 2005 | 19 May 2006 | British | 67 years |
| Malcolm Powell | Director | 1 Feb 1993 | 1 Jul 1994 | British | 87 years |
| Mark Davies Dickinson | Director | 11 Apr 2012 | 12 Aug 2013 | British | 58 years |
| Mark John Packer | Director | 8 Jun 2021 | 22 Oct 2021 | British | 61 years |
| Mark John Packer | Secretary | 22 Mar 2017 | 8 Jun 2021 | - | - |
| Neil Christopher Martin | Secretary | 8 Jul 2005 | 14 Mar 2006 | British | - |
| Nicholas Frank Carter | Director | 1 May 1993 | 30 Sept 2002 | British | 64 years |
| Nicholas Peter Robins | Director | 26 Mar 2006 | 27 Aug 2008 | British | 64 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 |
| Rebecca Jayne Seeley | Director | 27 Jan 2017 | 11 May 2018 | British | 46 years |
| Rebecca Jayne Seeley | Director | 13 Mar 2019 | 29 Sept 2023 | 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 | 19 Oct 1997 | 20 Apr 2011 | British | 65 years |
| Robert Adam Heasman | Director | 15 Aug 2013 | 27 Jan 2017 | British | 52 years |
| Robert Charles Grenville Perrins | Director | 21 Aug 2003 | 8 Jul 2005 | British | 61 years |
| Robert John Deck | Director | 12 Mar 2013 | 26 Jul 2013 | Australian | 67 years |
| Robin Graham Caven | Director | 8 Jul 2005 | 18 Oct 2006 | British | 65 years |
| Roger Gordon Lee | Secretary | 16 Feb 1996 | 30 Aug 1996 | British | - |
| Roger St John Hulton Lewis | Director | 1 Dec 1992 | 21 Aug 2003 | British | 79 years |
| Terence John Upshall | Director | 1 Feb 1993 | 30 Jan 1994 | British | 89 years |
| Thanalakshmi Janandran | Secretary | 28 Jun 2007 | 16 Aug 2013 | British | - |
| Thomas William Lee | Director | 4 Oct 2005 | 28 Mar 2008 | Australian | 54 years |
| Victoria Elizabeth Quinlan | Director | 6 Jun 2017 | 9 May 2018 | Australian | 50 years |
| Wendy Joan Pritchard | Secretary | 20 Jan 2004 | 1 Feb 2004 | British | - |