| Alan Michael Byrne | Director | 11 Mar 2011 | 22 Jan 2018 | British | 60 years |
| Andrew John Macdonald | Director | 10 Dec 1998 | 20 Apr 2010 | British | 68 years |
| Anthony James Weeds | Secretary | 28 Feb 2001 | 25 Sept 2007 | British | - |
| Bernard William Spencer | Director | 15 Nov 2019 | 15 Jun 2022 | British | 65 years |
| Catherine Hardysmith | Secretary | 27 Aug 2021 | 11 Jan 2023 | - | - |
| Colette Mckune | Director | 1 Jul 2016 | 30 Sept 2022 | British | 63 years |
| David Mcgovern | Secretary | 11 Jul 2017 | 27 Aug 2021 | - | - |
| Derek James Corbishley | Director | 1 Feb 2017 | 31 Mar 2019 | British | 53 years |
| Gemma Burton-connolly | Secretary | 15 Feb 2024 | 1 Oct 2024 | - | - |
| Gerard Mark Lewis | Director | 25 Sept 2007 | 25 Sept 2008 | British | 61 years |
| Highstone Directors Limited | Corporate Nominee Director | 4 Dec 1998 | 4 Dec 1998 | United Kingdom | - |
| Highstone Secretaries Limited | Corporate Nominee Secretary | 4 Dec 1998 | 4 Dec 1998 | United Kingdom | - |
| Julia Alison Morton | Secretary | 14 Sept 2009 | 27 May 2010 | British | - |
| Lee Johnstone | Secretary | 25 Sept 2007 | 14 Sept 2009 | British | - |
| Lee Johnstone | Secretary | 27 May 2010 | 28 May 2010 | - | - |
| Leslie Wilson | Director | 28 Feb 2001 | 20 Apr 2010 | British | 94 years |
| Martin David Holmes | Director | 9 Jul 2010 | 1 Jul 2016 | British | 60 years |
| Martin John Joyce | Director | 13 Oct 2016 | 1 Oct 2024 | British | 64 years |
| Michael Boaler | Director | 10 Dec 1998 | 28 Feb 2001 | British | 69 years |
| Michael Boaler | Secretary | 10 Dec 1998 | 28 Feb 2001 | British | - |
| Michael George Parkin | Director | 1 Jul 2016 | 10 Sept 2021 | British | 55 years |
| Michael George Parkin | Secretary | 1 Jul 2016 | 11 Jul 2017 | - | - |
| Oliver James Lightowlers | Director | 27 May 2010 | 28 May 2010 | British | 54 years |
| Paul Alan Kennedy | Director | 29 Nov 2019 | 10 Sept 2021 | British | 57 years |
| Peter Shanks | Secretary | 11 Jan 2023 | 23 Mar 2023 | - | - |
| Shaun Michael David Maclean | Director | 28 May 2010 | 1 Jul 2016 | British | 56 years |
| Simon Hindley | Secretary | 23 Mar 2023 | 15 Feb 2024 | - | - |
| Timothy Charles Doyle | Director | 1 Jul 2016 | 30 Sept 2019 | British | 61 years |
| William Anthony Leach | Director | 25 Sept 2007 | 3 Nov 2008 | British | 64 years |
| William Simon Rigby | Director | 25 Sept 2007 | 8 Feb 2010 | British | 65 years |