| Andrew William Dyer | Director | 18 Dec 2013 | 11 Jul 2015 | British | 72 years |
| Anne Veronica Hawkins | Secretary | 2 Dec 1995 | 22 Mar 1997 | British | - |
| Anthony Robin Batchelor | Director | 1 Dec 2000 | 18 Dec 2013 | British | 56 years |
| Arnold Mark Threapleton | Director | 18 Apr 2017 | 30 Jun 2020 | British | 72 years |
| Barrons Limited | Corporate Secretary | 16 Apr 2007 | 8 Jan 2010 | United Kingdom | - |
| Benjamin Colson | Director | 31 Dec 1995 | 18 Dec 2013 | British | 75 years |
| Carla Lucy Stockton-jones | Director | 1 Jul 2020 | 3 Jul 2023 | British | 54 years |
| Catherine Acton-brazier | Director | 4 Nov 2019 | 31 Dec 2020 | British | 56 years |
| Colin Brown | Director | 18 Dec 2013 | 31 May 2019 | British | 58 years |
| David James Hawkins | Director | 2 Dec 1995 | 17 Mar 1997 | British | 75 years |
| David Malcolm Sherwood | Director | 31 Dec 1995 | 31 Oct 1998 | British | 68 years |
| Gary James Nolan | Director | 18 Dec 2013 | 7 Apr 2017 | British | 70 years |
| Grange Trustees Limited | Corporate Director | 24 Oct 1995 | 2 Dec 1995 | United Kingdom | - |
| Hazel Margaret Pitt | Director | 31 Dec 1995 | 31 Jul 1997 | British | 70 years |
| Janine Summers | Director | 1 Apr 2022 | 3 Jul 2023 | British | 55 years |
| John Andrew Campbell | Director | 28 Dec 2016 | 7 Dec 2018 | British | 73 years |
| Keith Shayshutt | Director | 27 Oct 1996 | 18 Dec 2013 | British | 74 years |
| Keith Shayshutt | Secretary | 22 Mar 1997 | 16 Apr 2007 | British | - |
| Matthew James Cranwell | Director | 28 Oct 2019 | 20 Feb 2023 | British | 45 years |
| Michelle Catherine Hargreaves | Director | 10 Dec 2018 | 28 Oct 2019 | British | 63 years |
| Michelle Catherine Hargreaves | Director | 31 Dec 2020 | 1 Apr 2022 | British | 63 years |
| Robert Montgomery | Director | 28 Dec 2016 | 22 Mar 2017 | British | 74 years |
| Rupert Miles Cox | Director | 2 May 2022 | 31 Aug 2023 | British | 46 years |
| Samuel Derek Greer | Director | 3 Jul 2023 | 13 Jun 2024 | British | 58 years |
| Sandra Harmer | Secretary | 24 Oct 1995 | 2 Dec 1995 | British | - |
| Simon David Carr | Secretary | 8 Jan 2010 | 18 Dec 2013 | - | - |