| A G Secretarial Limited | Corporate Secretary | 9 Jun 2021 | 6 May 2022 | United Kingdom | - |
| Alastair James Gordon-stewart | Director | 20 Sept 2010 | 31 Jan 2017 | British | 53 years |
| Alun Lloyd James | Director | 23 Jul 1992 | 28 Apr 1993 | British | 79 years |
| Andrew James Spicer | Director | 20 Jan 2020 | 28 May 2021 | British | 48 years |
| Andrew Richard Hammond | Director | 4 Feb 2022 | 15 May 2024 | British | 55 years |
| Andrew Sutherland Rowe | Director | 23 Jul 1992 | 27 Apr 1993 | British | 89 years |
| Andrew William Aitchison | Director | 18 Apr 2005 | 4 Sept 2009 | British | 69 years |
| Anthony Charles Parker | Director | 11 Dec 2006 | 25 Sept 2008 | British | 54 years |
| Anthony Charles Parker | Secretary | 11 Dec 2006 | 25 Sept 2008 | British | - |
| Anthony William Wasikowski | Director | 23 Apr 2007 | 13 Jun 2008 | British | 73 years |
| Bethan Melges | Secretary | 16 Jul 2015 | 9 Sept 2019 | - | - |
| Charles George Smith | Director | 23 Jul 1992 | 28 Apr 1993 | British | 78 years |
| Christopher James Harris | Director | 26 Jun 2007 | 13 Jun 2008 | British | 49 years |
| Christopher King | Director | 1 Jun 2009 | 2 Jul 2018 | British | 71 years |
| Colin Ronald William Busby | Director | 27 Apr 1993 | 30 Jun 2004 | British | 81 years |
| Daniel Harry Rate Browne | Director | 20 Sept 2010 | 31 Jan 2017 | British | 53 years |
| Daniel Stewart Wilson | Secretary | 31 May 2022 | 30 Sept 2025 | - | - |
| David Browne | Director | 28 May 2021 | 21 Dec 2021 | American | 46 years |
| David Crawford Bridges | Director | 21 May 2020 | 12 Jan 2022 | British | 58 years |
| David Homer | Director | 28 Mar 1994 | 30 Jun 2003 | British | 79 years |
| David Robert Twigden | Director | 23 Jul 1992 | 27 Apr 1993 | British | 61 years |
| Deborah Pamela Hamilton | Secretary | 29 Oct 2008 | 22 Sept 2014 | British | - |
| Deena Elizabeth Mattar | Director | 28 Nov 2001 | 6 Apr 2010 | British | 60 years |
| Denise Ivy Holdom | Director | 1 Feb 2008 | 20 Sept 2010 | British | 54 years |
| Duncan Valentine Brand | Director | 27 Apr 1993 | 24 Nov 2001 | British | 84 years |
| Duncan Valentine Brand | Secretary | 27 Apr 1993 | 30 Jun 1993 | British | - |
| Gary Bosley Phillips | Director | 16 Oct 2020 | 15 Oct 2021 | British | 62 years |
| Gavin Robert Twigden | Secretary | 23 Jul 1992 | 23 Jul 1993 | British | - |
| Graham David Baker | Director | 1 Jul 1996 | 1 Jul 1998 | British | 76 years |
| Graham Noel Adams | Director | 25 Jun 2007 | 30 Sept 2008 | British | 63 years |
| Ian Crabb | Director | 30 May 2022 | 27 Feb 2023 | British | 66 years |
| Ian Michael Lawson | Director | 1 Aug 2008 | 21 Jun 2013 | British | 68 years |
| Ishan Bharadwaj | Director | 6 Oct 2021 | 6 May 2022 | British | 35 years |
| Ivan Robert Twigden | Director | 23 Jul 1992 | 27 Apr 1993 | British | 87 years |
| John Bruce Anderson | Director | 20 Feb 2013 | 1 Jul 2019 | British | 62 years |
| John Dodds | Director | 4 Nov 2003 | 31 Mar 2010 | British | 80 years |
| John Graham Hodgetts | Director | 1 Oct 1993 | 1 Jul 1998 | British | 74 years |
| Jonathan David Miller | Director | 20 Jan 2020 | 28 May 2021 | British | 55 years |
| Kevin Dixon | Director | 1 Jan 1995 | 1 Jan 2006 | British | 70 years |
| Laurence Garner | Director | 5 Feb 2002 | 19 Jan 2007 | British | 78 years |
| Laurence Garner | Secretary | 5 Feb 2002 | 11 Dec 2006 | British | - |
| Mark John Dilley | Director | 20 Dec 2021 | 28 Jun 2024 | British | 53 years |
| Martin Robert Bessant | Director | 31 Jan 2017 | 31 Dec 2020 | British | 51 years |
| Mary Jean Mccoll | Secretary | 30 Jun 1993 | 31 Mar 1999 | British | - |
| Matthew Armitage | Secretary | 12 Dec 2014 | 16 Jul 2015 | - | - |
| Matthew Broomfield | Director | 30 Jan 2006 | 2 Sept 2009 | British | 61 years |
| Michael John Coker | Director | 24 Jul 2020 | 4 Feb 2022 | British | 53 years |
| Michael O'farrell | Director | 29 May 2003 | 6 Jun 2008 | British | 64 years |
| Michael Paul Sheffield | Director | 1 Apr 2010 | 30 Jun 2014 | British | 64 years |
| Neil Edward Roe | Director | 23 Jul 1992 | 29 Apr 1994 | British | 72 years |
| Nicholas Charles Moore | Director | 18 Jan 2010 | 12 Feb 2020 | British | 57 years |
| Nigel Peter Greenaway | Director | 21 Dec 2021 | 13 Feb 2023 | British | 65 years |
| Paul Adams | Director | 1 Jan 2006 | 2 Nov 2006 | British | 73 years |
| Paul Roger Moore | Director | 31 Jan 2017 | 30 Jun 2017 | British | 53 years |
| Philip Andrew Chapman | Director | 1 Mar 2024 | 31 Mar 2025 | British | 57 years |
| Philip Higgins | Secretary | 9 Sept 2019 | 28 May 2021 | - | - |
| Robert David Stephens | Director | 27 Apr 1993 | 28 Feb 1994 | British | 78 years |
| Robert William Gregory | Director | 4 Jan 1994 | 27 Apr 2005 | British | 71 years |
| Robert William Gregory | Secretary | 31 Mar 1999 | 5 Feb 2002 | British | - |
| Roger Peter Page | Director | 14 Feb 1994 | 2 Feb 2009 | British | 68 years |
| Sarah Jayne Cooper | Director | 9 Jun 2014 | 16 Oct 2020 | British | 52 years |
| Susan Warwick | Director | 4 Sept 2017 | 31 Dec 2019 | British | 57 years |
| Theresa Bernadette Cremin | Director | 20 Sept 2010 | 28 Feb 2011 | British | 67 years |
| Timothy John Barke | Director | 1 Apr 2004 | 15 Nov 2005 | British | 71 years |
| Trevor David Thomas | Director | 23 May 2011 | 31 Jan 2017 | British | 59 years |
| William Raymond Reid | Director | 1 Jul 1998 | 26 Jan 2005 | British | 74 years |