| Andrew Talbot Rymer | Director | 18 Oct 2011 | 27 Mar 2013 | British | 52 years |
| Anne Fillis | Director | 25 Jan 2010 | 1 Jul 2010 | British | 61 years |
| Asset Management Solutions Limited | Corporate Secretary | 18 Oct 2011 | 30 Apr 2015 | United Kingdom | - |
| Bruce Balfour | Director | 11 Dec 2003 | 26 Feb 2007 | British | 62 years |
| Bruce Balfour | Director | 11 Mar 2009 | 11 Sept 2009 | British | 62 years |
| Carl Harvey Dix | Director | 26 Feb 2007 | 18 Oct 2011 | British | 59 years |
| Carole Ann Reed | Director | 20 Aug 2007 | 30 Jun 2011 | British | 62 years |
| Charlotte Sophie Ellen Douglass | Director | 1 Aug 2017 | 1 Oct 2022 | British | 47 years |
| Clare Sheridan | Secretary | 1 May 2015 | 1 Apr 2018 | - | - |
| David George Lane | Director | 1 Jun 2011 | 18 Oct 2011 | British | 58 years |
| David John Morice Hartshorne | Director | 11 Dec 2003 | 31 Jul 2004 | British | 71 years |
| Dws Directors Limited | Corporate Nominee Director | 10 Oct 2003 | 11 Dec 2003 | - | - |
| Dws Secretaries Limited | Corporate Nominee Secretary | 10 Oct 2003 | 22 Feb 2007 | - | - |
| Gavin William Mackinlay | Director | 27 Mar 2013 | 24 Apr 2019 | British | 68 years |
| George Peter Farley | Director | 1 Dec 2005 | 5 Dec 2005 | British | 59 years |
| Ian Joseph Wells | Director | 9 Sept 2005 | 26 Feb 2007 | British | 74 years |
| James Derek Wood | Director | 18 Nov 2010 | 31 Jul 2013 | British | 64 years |
| Jane Angela Fitch | Director | 1 Jan 2024 | 1 Mar 2024 | British | 57 years |
| Jennifer Louise Crouch | Director | 29 Feb 2016 | 1 Aug 2017 | British | 38 years |
| John Charles Cassidy | Director | 29 Nov 2005 | 12 May 2009 | British | 61 years |
| John Edward Haan | Director | 14 Aug 2012 | 29 Feb 2016 | British | 47 years |
| John Mildren | Director | 25 Jun 2007 | 31 Jan 2008 | British | 78 years |
| John William Horton | Director | 8 Sept 2005 | 31 Jan 2008 | British | 74 years |
| John William Horton | Director | 5 Nov 2008 | 1 Feb 2011 | British | 74 years |
| Kirsty O'brien | Director | 3 May 2018 | 24 Feb 2021 | British | 43 years |
| Louise Victoria Everes Scull | Director | 21 Apr 2008 | 28 Feb 2014 | British | 66 years |
| Lucy Ann Dadge | Director | 1 Dec 2017 | 30 Sept 2024 | British | 61 years |
| Maria Bernadette Lewis | Secretary | 1 Mar 2009 | 18 Oct 2011 | British | - |
| Mark William Grinonneau | Director | 1 Oct 2021 | 1 Jan 2024 | British | 55 years |
| Mark William Grinonneau | Director | 1 Oct 2013 | 1 Feb 2017 | British | 55 years |
| Mark William Grinonneau | Director | 23 Oct 2017 | 27 Oct 2017 | British | 55 years |
| Mark William Grinonneau | Director | 15 Feb 2018 | 25 Feb 2018 | British | 55 years |
| Mark William Grinonneau | Director | 18 Apr 2019 | 23 Apr 2019 | British | 55 years |
| Mark William Grinonneau | Director | 30 Oct 2019 | 31 Oct 2019 | British | 55 years |
| Mark William Grinonneau | Director | 7 Aug 2020 | 16 Aug 2020 | British | 55 years |
| Mark William Grinonneau | Director | 26 Oct 2020 | 30 Oct 2020 | British | 55 years |
| Michael George Duggan | Secretary | 27 Nov 2018 | 1 Jan 2024 | - | - |
| Michael Gordon Heath | Director | 9 Sept 2005 | 31 Dec 2010 | British | 76 years |
| Michael James Chambers | Director | 24 Jun 2013 | 1 Oct 2013 | British | 69 years |
| Michael James Findlay | Director | 26 Feb 2007 | 11 Mar 2009 | British | 55 years |
| Mohammed Ahmed | Secretary | 1 Apr 2018 | 27 Nov 2018 | - | - |
| Peter Geoffrey Shell | Secretary | 11 Dec 2003 | 23 Mar 2007 | British | - |
| Peter James Harding | Director | 1 Oct 2022 | 21 Aug 2025 | British | 45 years |
| Peter John Sheldrake | Director | 18 Oct 2011 | 2 May 2018 | British | 66 years |
| Richard John Coates | Director | 1 Feb 2017 | 30 Sept 2021 | British | 59 years |
| Roger Keith Miller | Secretary | 23 Mar 2007 | 1 Mar 2009 | British | - |
| Rory William Christie | Director | 18 Oct 2011 | 2 Aug 2013 | British | 67 years |
| Sarah Anne Raper | Director | 31 Jul 2013 | 23 Oct 2013 | British | 61 years |
| Sean Latus | Director | 29 Nov 2005 | 29 Jun 2007 | British | 56 years |
| Simon Paul Crowther | Director | 23 Apr 2014 | 29 Mar 2015 | British | 51 years |
| Terence Kenneth Allen | Director | 1 Mar 2010 | 27 Jun 2013 | British | 68 years |
| Thomas John Evans | Director | 9 Sept 2005 | 31 Dec 2010 | British | 88 years |
| William James Haughey | Director | 8 Sept 2005 | 20 Apr 2010 | British | 51 years |