| Alan Adams Murray | Director | 22 May 1998 | 12 Jan 2000 | British | 77 years |
| Alasdair Robert Gardner | Director | 1 Jan 2007 | 9 Oct 2009 | British | 59 years |
| Alistair Ian Macrae | Secretary | 1 Sept 2000 | 31 Aug 2007 | British | - |
| Alyson Elizabeth Mulholland | Secretary | 17 Jan 2024 | 26 Sept 2024 | - | - |
| Amy Charlotte Bone | Director | 23 Nov 2016 | 22 Feb 2018 | British | 42 years |
| Andrew David Darling | Director | 3 May 2001 | 29 Jan 2004 | British | 64 years |
| Andrew Hulme | Director | 22 Feb 2018 | 9 Mar 2020 | British | 45 years |
| Andrew John Cumming | Director | 25 Sept 2009 | 25 Sept 2009 | British | 71 years |
| Andrew John Cumming | Director | 25 Sept 2009 | 6 Feb 2012 | British | 71 years |
| Andrew Leslie Tennant | Director | 29 Jan 2004 | 18 Oct 2013 | British | 67 years |
| Andrew William Geczy | Director | 30 Apr 2010 | 16 Jan 2013 | American | 62 years |
| Ceri Richards | Director | 16 Dec 2003 | 9 Oct 2009 | British | 67 years |
| Colin Graham Dowsett | Director | 25 Sept 2009 | 12 Sept 2011 | British | 61 years |
| David Alexander Bruce Gibson | Director | 7 Feb 2005 | 28 May 2008 | British | 60 years |
| David Dermot Hennessey | Secretary | 14 Jul 2016 | 8 Jan 2024 | - | - |
| David Miller | Director | 10 Jun 2005 | 28 Sept 2009 | British | 63 years |
| Fiona Jane Gibson | Director | 23 Jul 2015 | 23 Nov 2016 | British | 50 years |
| Gershon Daniel Cohen | Director | 1 Sept 2006 | 18 Oct 2013 | British | 61 years |
| James Robin Browning | Director | 22 May 1998 | 29 Jul 1999 | British | 86 years |
| Jennifer Elizabeth Nielsen | Secretary | 31 Aug 2007 | 2 Jul 2012 | British | - |
| John William Robertson | Secretary | 22 May 1998 | 1 Sept 2000 | British | - |
| Jonathan Charles Nigel Digges | Director | 11 Jul 2013 | 30 Jan 2015 | British | 55 years |
| Joyce Ferrie | Secretary | 22 May 1998 | 31 Jan 2000 | British | - |
| Karen Margaret Bothwell | Director | 25 Sept 2009 | 2 Jul 2012 | British | 63 years |
| Keith Joseph Macdonald | Director | 25 Sept 2009 | 21 Mar 2013 | Irish | 68 years |
| Lindsay John Town | Director | 9 Dec 2005 | 7 Apr 2009 | British | 71 years |
| Lloyds Secretaries Limited | Corporate Secretary | 2 Jul 2012 | 20 Jan 2016 | United Kingdom | - |
| Michael Wooderson | Director | 16 Feb 2000 | 9 Dec 2005 | British | 71 years |
| Mohammed Sameer Amin | Director | 25 Sept 2009 | 18 Oct 2013 | British | 52 years |
| Pamela Simone Dickson | Director | 2 Jul 2012 | 1 Jun 2016 | Scottish | 58 years |
| Paul Gittins | Secretary | 20 Jan 2016 | 14 Jul 2016 | - | - |
| Peter Joseph Cummings | Director | 16 Feb 2000 | 31 Oct 2005 | British | 70 years |
| Philip Robert Grant | Director | 3 May 2001 | 16 Dec 2003 | British | 59 years |
| Thomas Alexander Abraham | Director | 9 Dec 2005 | 8 Dec 2006 | British | 75 years |
| William Moyes | Director | 22 May 1998 | 30 Jun 2000 | British | 76 years |