| Adrian John Pike | Director | 18 Nov 2003 | 1 Dec 2010 | British | 59 years |
| Alan Willis Nichols | Director | 14 Oct 2015 | 2 Nov 2016 | British | 51 years |
| Alexandra Jane Gartrell | Secretary | 19 Aug 2019 | 20 May 2020 | - | - |
| Alistair John Borthwick | Director | 29 Mar 2019 | 28 Jun 2019 | British | 47 years |
| Brian Dominic Sharma | Secretary | 5 Aug 2016 | 10 Jul 2017 | - | - |
| Calum John Wilson | Director | 1 Apr 2006 | 12 Feb 2007 | British | 63 years |
| Christopher Jagusz | Director | 15 Aug 2012 | 1 Sept 2014 | British | 62 years |
| Christopher Michael Hillman | Director | 27 Jan 2004 | 14 Oct 2015 | British | 65 years |
| Colin Douglas Sempill | Director | 1 Sept 2014 | 29 Mar 2019 | British | 56 years |
| Colin William Hood | Director | 28 Sept 2001 | 14 Apr 2003 | British | 71 years |
| Colin William Hood | Director | 27 Jan 2004 | 31 Oct 2011 | British | 71 years |
| Conrad James Mallon | Director | 15 Mar 2018 | 28 Mar 2019 | British | 61 years |
| D.w. Company Services Limited | Corporate Nominee Secretary | 4 Dec 2000 | 19 Mar 2001 | United Kingdom | - |
| D.w. Director 1 Limited | Corporate Nominee Director | 4 Dec 2000 | 19 Mar 2001 | United Kingdom | - |
| D.w. Director 2 Limited | Corporate Nominee Director | 4 Dec 2000 | 19 Mar 2001 | - | - |
| David Eddy | Director | 14 Oct 2015 | 29 Mar 2019 | British | 63 years |
| David Penny | Director | 27 Jan 2004 | 10 Feb 2006 | British | 65 years |
| David Sigsworth | Director | 19 Mar 2001 | 28 Sept 2001 | British | 80 years |
| Dennis Arthur Chaloner | Director | 27 Jan 2004 | 1 Apr 2010 | British | 80 years |
| Elizabeth Anne Tanner | Director | 1 Feb 2005 | 4 Nov 2013 | British | 55 years |
| Fraser Mcgregor Alexander | Director | 14 Oct 2002 | 4 Nov 2013 | British | 63 years |
| Graham Gerald Juggins | Director | 14 Apr 2003 | 10 Feb 2004 | British | 73 years |
| Ian Derek Marchant | Director | 28 Sept 2001 | 14 Oct 2002 | British | 65 years |
| James Henry Martin | Director | 19 Mar 2001 | 28 Sept 2001 | British | 73 years |
| James Keith Harraway | Director | 29 Mar 2019 | 5 Nov 2024 | British | 47 years |
| James Mcphillimy | Director | 10 Jul 2014 | 14 Oct 2015 | British | 62 years |
| James William Frankland Hepburn | Director | 5 Nov 2024 | 4 Sept 2025 | British | 36 years |
| John Chester | Director | 15 Mar 2018 | 29 Mar 2019 | British | 49 years |
| Jonathan David Marsh | Director | 14 Apr 2003 | 10 Feb 2004 | British | 65 years |
| Keith Maclean | Director | 28 Sept 2001 | 10 Feb 2004 | British | 70 years |
| Laura Kate Tudor | Secretary | 10 Jul 2017 | 19 Aug 2019 | - | - |
| Lawrence John Vincent Donnelly | Secretary | 19 Mar 2001 | 12 Feb 2009 | British | - |
| Louise Teresa Aitchison | Director | 14 Oct 2015 | 5 Aug 2016 | British | 55 years |
| Louise Teresa Aitchison | Secretary | 14 Oct 2015 | 5 Aug 2016 | - | - |
| Mark William Mathieson | Director | 17 Dec 2010 | 10 Jul 2014 | British | 60 years |
| Neil Peter Hutchings | Director | 1 Apr 2010 | 7 Dec 2011 | British | 54 years |
| Neil Robert Ernest Kirkby | Director | 29 Mar 2019 | 26 Mar 2025 | British | 62 years |
| Nigel Charles Pitcher | Director | 14 Oct 2015 | 30 Jun 2017 | British | 72 years |
| Paul James Clark | Director | 15 Mar 2018 | 29 Mar 2019 | British | 52 years |
| Paul Lawrence Hughes | Secretary | 4 Nov 2013 | 14 Oct 2015 | - | - |
| Paul Morton Alistair Phillips-davies | Director | 29 Mar 2019 | 1 Feb 2023 | British | 59 years |
| Peter Grant Lawns | Secretary | 12 Feb 2009 | 4 Nov 2013 | British | - |
| Stephanie Anne Hazell | Director | 29 Mar 2019 | 15 Aug 2023 | British | 51 years |
| Timothy Mark Passingham | Director | 21 Jul 2022 | 16 Nov 2022 | British | 51 years |
| Victoria Jo Cook | Director | 14 Oct 2015 | 30 Jun 2017 | British | 59 years |