| Christopher Carline | Director | 1 Jan 2022 | 9 Oct 2024 | British | 53 years |
| David Roger Gregory | Director | 11 May 1991 | 31 Mar 1993 | British | 78 years |
| Diane Patricia Illingworth | Director | 31 Mar 1993 | 25 Jul 2013 | British | 73 years |
| Jeremy Marcus Illingworth | Director | 22 Aug 2007 | 31 Dec 2019 | British | 49 years |
| Jeremy Marcus Illingworth | Secretary | 22 Aug 2007 | 2 Nov 2017 | British | - |
| John Charles Illingworth | Director | 11 May 1991 | 25 Jul 2013 | British | 75 years |
| John Charles Illingworth | Secretary | 11 May 1991 | 1 May 2008 | British | - |
| John James Illingworth | Director | 22 Aug 2007 | 9 Mar 2016 | British | 51 years |
| Robert Andrew Cawkwell | Director | 2 Nov 2017 | 30 Jun 2021 | British | 57 years |
| Sean Henderson | Director | 1 Jul 2020 | 31 Dec 2024 | British | 61 years |