| Andrew Mark Ivor Hitchings | Director | 16 Jan 2008 | 31 Oct 2008 | British | 63 years |
| Burness (directors) Limited | Corporate Director | 16 Jan 2008 | 16 Jan 2008 | - | - |
| Burness Llp | Corporate Secretary | 16 Jan 2008 | 16 Jan 2008 | - | - |
| Catriona Louise Allen | Director | 22 Sept 2014 | 16 Jul 2018 | British | 53 years |
| David Alexandre Simon Dahan | Director | 10 Jun 2013 | 31 Mar 2016 | French | 57 years |
| David Anthony Diemer | Director | 9 Jul 2018 | 28 Feb 2022 | British | 60 years |
| John Guy Thomas Gellatly | Director | 22 Sept 2014 | 5 Dec 2017 | British | 66 years |
| Kevin Anthony Carey | Director | 27 Aug 2014 | 31 Jan 2016 | British | 59 years |
| Nicholas John Fermor Mansley | Director | 21 Jan 2009 | 10 Jan 2013 | British | 61 years |
| Paula Green | Director | 24 Jul 2018 | 30 Nov 2021 | British | 53 years |
| Philip John Pearson | Director | 16 Jan 2008 | 22 Sept 2009 | British | 61 years |
| Steven John Oxley | Director | 16 Jan 2008 | 19 Aug 2015 | British | 58 years |
| Susan Hilary Scollan | Director | 16 Jan 2008 | 13 Dec 2013 | British | 68 years |
| Thomas Edward Goodwin | Director | 8 Dec 2021 | 6 Jan 2023 | British | 37 years |
| Tim Russell | Director | 6 Jan 2023 | 25 Oct 2023 | British | 45 years |