| Alasdair Glen Stirling | Director | 11 Jun 2021 | 30 Sept 2022 | British | 65 years |
| Andrew Graham Milton | Director | 10 Mar 2004 | 6 Jun 2013 | British | 77 years |
| Andrew Heap | Director | 12 Jun 1998 | 13 Nov 2011 | British | 71 years |
| Archibald Anderson Bethel | Director | 28 Jun 2007 | 19 Sept 2016 | British | 73 years |
| Brian Noble White | Director | 12 Jun 1998 | 2 Nov 2001 | British | 80 years |
| Clive Laurence Bullen | Director | 17 Aug 1998 | 31 Dec 2010 | British | 64 years |
| David Addison Milne Dunbar | Director | 2 Nov 2001 | 28 Jun 2007 | British | 85 years |
| David Brian Ruff | Director | 14 Jan 2008 | 9 Jan 2009 | British | 68 years |
| Dennis Ernest Gilbert | Director | 2 Nov 2001 | 1 Jan 2011 | British | 79 years |
| Dla Nominees Limited | Corporate Nominee Director | 24 Mar 1998 | 12 Jun 1998 | - | - |
| Dla Secretarial Services Limited | Corporate Nominee Director | 24 Mar 1998 | 12 Jun 1998 | - | - |
| Dla Secretarial Services Limited | Corporate Nominee Secretary | 24 Mar 1998 | 12 Jun 1998 | - | - |
| Franco Martinelli | Director | 28 Jun 2007 | 19 Sept 2016 | British | 66 years |
| Henry William Warren | Director | 2 Nov 2001 | 4 Apr 2008 | British | 76 years |
| Iain Stuart Urquhart | Director | 28 Jun 2007 | 31 May 2022 | British | 61 years |
| James Kenneth Alexander Barbour Smith | Director | 29 Aug 2000 | 2 Nov 2001 | British | 60 years |
| Jan Paul Benson Szymanski | Director | 12 Jun 1998 | 17 May 2006 | British | 73 years |
| Jan Paul Benson Szymanski | Secretary | 12 Jun 1998 | 17 May 2006 | British | - |
| Jonathan Hall | Director | 19 Sept 2016 | 31 Mar 2021 | British | 64 years |
| Mark David Lawton | Director | 11 Jun 2021 | 16 Jun 2025 | British | 54 years |
| Mark Pearson | Director | 12 Jun 1998 | 15 Oct 2007 | British | 66 years |
| Mark William Hardy | Director | 19 Sept 2016 | 31 Mar 2018 | British | 69 years |
| Martin John Simon Palmer | Director | 12 Jun 1998 | 29 Feb 2008 | British | 84 years |
| Matthew Jones | Director | 1 Apr 2018 | 6 Sept 2019 | British | 43 years |
| Michael Owen | Director | 2 Nov 2001 | 12 Oct 2007 | British | 80 years |
| Michael Peter Robinson | Director | 30 Sept 2022 | 16 Jun 2025 | British | 60 years |
| Neil Malcolm Mcdougall | Director | 6 Jun 2013 | 11 Jun 2021 | British | 66 years |
| Nicholas Paul Hawkes | Director | 17 May 2006 | 3 Jan 2012 | British | 62 years |
| Nicholas Paul Hawkes | Secretary | 17 May 2006 | 3 Jan 2012 | British | - |
| Paul Atkin | Secretary | 3 Jan 2012 | 31 May 2013 | - | - |
| Paul Christopher Atkin | Director | 3 Jan 2012 | 31 May 2013 | British | 65 years |
| Paul Clark | Director | 12 Jun 1998 | 29 Feb 2008 | British | 59 years |
| Robert Ronald Burge | Director | 6 Jun 2013 | 11 Jun 2021 | British | 60 years |
| Ryan James Henry Robson | Director | 12 Jun 1998 | 29 Aug 2000 | British | 56 years |
| Shaun Doherty | Director | 31 May 2022 | 30 Sept 2024 | British | 58 years |