| David Charles Higgins | Director | 18 Apr 2001 | 12 Dec 2017 | British | 71 years |
| David George Green | Director | 9 Jul 1999 | 19 Apr 2001 | British | 75 years |
| David William King | Director | 17 Oct 2019 | 29 Sept 2023 | British | 63 years |
| Helen Grace Archbold | Director | 17 Oct 2019 | 3 Nov 2023 | British | 45 years |
| Ian Bothamley | Director | 25 Sept 2023 | 4 Dec 2023 | British | 51 years |
| Prudential Group Secretarial Services Limited | Corporate Secretary | 24 Oct 2002 | 4 Oct 2019 | United Kingdom | - |
| Qa Nominees Limited | Corporate Nominee Director | 9 Jul 1999 | 9 Jul 1999 | United Kingdom | - |
| Qa Registrars Limited | Corporate Nominee Secretary | 9 Jul 1999 | 9 Jul 1999 | United Kingdom | - |
| Robert Walker | Secretary | 9 Jul 1999 | 24 Oct 2002 | British | - |
| Simon Lewis Ramage | Director | 12 Dec 2017 | 17 Oct 2019 | British | 64 years |