| Alasdair David Evans | Director | 31 Jan 2008 | 20 Sept 2010 | British | 65 years |
| Alexander David Lawson Stokoe | Director | 1 Jan 2021 | 16 Dec 2022 | British | 34 years |
| Andrew John Scrivener | Director | 30 Jun 2003 | 30 Apr 2004 | British | 61 years |
| Carol Ann Stratton | Director | 2 May 2006 | 29 Sept 2006 | British | 66 years |
| Christian Judd | Director | 1 Dec 2018 | 31 Dec 2020 | Irish | 47 years |
| Christopher Mario Moniz | Director | 10 Jan 1993 | 1 Aug 1999 | British | 77 years |
| David Leonard Grose | Director | 3 Sept 2008 | 31 Jan 2018 | British | 50 years |
| David William Burrowes | Director | 2 May 2006 | 31 Jan 2008 | British | 61 years |
| Diane Duncan | Director | 28 Feb 2020 | 7 Jun 2023 | British | 64 years |
| Emily Ann Mousley | Director | 3 Sept 2008 | 30 Jun 2016 | British | 58 years |
| Gavin Andrew Lewis | Director | 1 Oct 2003 | 2 May 2006 | British | 52 years |
| Iain Russell Watters | Director | 10 Jan 1993 | 30 Jun 2003 | British | 78 years |
| James Aitchison Beveridge | Director | 10 Jan 1993 | 17 Feb 1997 | British | 78 years |
| James Lane Tuckey | Director | 10 Jan 1993 | 31 May 1999 | British | 80 years |
| James Michael Brady | Director | 30 Jun 2003 | 29 Sept 2006 | British | 73 years |
| Jennifer Anne Lisbey | Director | 23 Aug 2019 | 28 Feb 2020 | British | 47 years |
| John Dewi Brychan Price | Director | 1 Aug 1997 | 31 Dec 2001 | British | 71 years |
| John Dewi Brychan Price | Secretary | 12 Oct 1998 | 31 Dec 2001 | British | - |
| John Max Usher | Secretary | 10 Jan 1993 | 12 Oct 1998 | British | - |
| John Philip Macarthur Lee | Director | 10 Jan 1993 | 1 Aug 1997 | British | 80 years |
| Kevin Peter Monaghan | Director | 9 Dec 1994 | 30 Nov 2000 | British | 69 years |
| Kirsty Ann-marie Wilman | Director | 23 Jun 2016 | 31 May 2024 | British | 46 years |
| Matthew James Torode | Director | 16 Feb 2018 | 23 Aug 2019 | British | 42 years |
| Mepc Secretaries Limited | Corporate Secretary | 31 Dec 2001 | 31 Jan 2018 | United Kingdom | - |
| Nathan James Thompson | Director | 22 Oct 1997 | 31 Dec 2000 | British | 62 years |
| Peter Andrew Batchelor | Director | 31 Dec 2001 | 30 Sept 2003 | British | 63 years |
| Rachel Page | Director | 6 Apr 2006 | 3 Sept 2008 | British | 60 years |
| Richard Anthony Harrold | Director | 30 Jun 2003 | 8 Dec 2005 | British | 80 years |
| Richard Armand De Blaby | Director | 6 Apr 2006 | 3 Sept 2008 | British | 66 years |
| Robert Thomas Ernest Ware | Director | 20 Feb 2002 | 30 Jun 2003 | British | 67 years |
| Simon Robert Cunningham | Director | 16 Feb 2018 | 1 Dec 2018 | British | 48 years |
| Stephen John East | Director | 10 Aug 1999 | 30 Sept 2003 | British | 68 years |
| Stewart Mcgarrity | Director | 30 Nov 2000 | 30 Jun 2003 | British | 65 years |
| Toby Augustine Courtland | Director | 31 Dec 2000 | 31 Mar 2002 | British | 58 years |
| Yael Amber | Director | 16 Dec 2022 | 24 Jul 2023 | British | 48 years |