| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Sept 2005 | 1 Dec 2008 | - | - |
| Capita Corporate Director Limited | Corporate Director | 31 Mar 2008 | 3 Nov 2017 | United Kingdom | - |
| Capita Group Secretary Limited | Corporate Secretary | 1 Dec 2008 | 3 Nov 2017 | United Kingdom | - |
| Colin Arthur Benford | Director | 4 Mar 2011 | 31 Jan 2024 | British | 64 years |
| David Ronald Braithwaite | Director | 19 Mar 1997 | 1 Dec 1999 | British | 79 years |
| Frances Karen Louise Black | Director | 28 Apr 2000 | 1 Sept 2005 | British | 59 years |
| Frances Karen Louise Black | Secretary | 1 Sept 2000 | 1 Sept 2005 | British | - |
| Halco Management Limited | Corporate Nominee Director | 30 Dec 1996 | 19 Mar 1997 | United Kingdom | - |
| Halco Secretaries Limited | Corporate Secretary | 30 Dec 1996 | 19 Mar 1997 | United Kingdom | - |
| Jane Kathryn Fryer | Director | 24 Mar 2011 | 31 Mar 2024 | British | 65 years |
| Keith Brian Parkinson | Director | 1 Dec 1999 | 31 Aug 2000 | British | 81 years |
| Keith Brian Parkinson | Secretary | 1 Dec 1999 | 31 Aug 2000 | British | - |
| Link Group Corporate Director Limited | Corporate Director | 3 Nov 2017 | 28 Jun 2019 | United Kingdom | - |
| Link Group Corporate Secretary Limited | Corporate Secretary | 3 Nov 2017 | 28 Jun 2019 | United Kingdom | - |
| Lionel Barry Akid | Director | 19 Mar 1997 | 10 Sept 1999 | British | 92 years |
| Michael Addenbrooke | Director | 1 Sept 2005 | 4 Mar 2011 | British | 71 years |
| Nicholas Humphrey Jones | Director | 19 Mar 1997 | 28 Apr 2000 | British | 78 years |
| Nicholas Humphrey Jones | Secretary | 19 Mar 1997 | 28 Apr 2000 | British | - |
| Richard John Shearer | Director | 21 Sept 2007 | 31 Mar 2008 | British | 62 years |
| Richard John Stirrup | Director | 1 Sept 2000 | 1 Sept 2005 | British | 65 years |
| Stephen David Parkinson | Director | 1 Sept 2005 | 4 Mar 2011 | British | 63 years |
| Steve Jones | Director | 4 Mar 2011 | 30 Jun 2018 | British | 66 years |
