| Brian Leslie Marchmont | Director | 30 Jun 1991 | 30 Sept 2002 | British | 76 years |
| Brian Leslie Marchmont | Director | 1 Aug 2004 | 1 Jun 2020 | British | 76 years |
| David Graham Hills | Director | 1 Jun 2017 | 1 Jul 2024 | British | 60 years |
| Ellis Jones Company Secretarial Limited | Corporate Secretary | 14 Nov 2008 | 11 Jan 2010 | United Kingdom | - |
| Jill Marianne Welsh | Secretary | 30 Sept 2002 | 1 Aug 2004 | British | - |
| Joanne Marie Gilroy French | Director | 10 Sept 2021 | 31 Jan 2022 | New Zealander | 56 years |
| Keith Samuel Hare | Director | 1 Jun 2020 | 10 Sept 2021 | British | 58 years |
| Lester Aldridge Company Secretarial Limited | Corporate Secretary | 1 Feb 2010 | 3 Mar 2015 | United Kingdom | - |
| Michael Charles Caffyn | Director | 14 Mar 2005 | 20 Aug 2025 | British | 60 years |
| Michael William Jervis Chapman | Director | 30 Oct 2008 | 1 Jun 2020 | British | 67 years |
| Nicholas Dean | Director | 1 Apr 2015 | 1 Jul 2024 | British | 58 years |
| Peter Geoffrey Welsh | Director | 30 Jun 1991 | 1 Jan 2015 | British | 83 years |
| Peter Geoffrey Welsh | Secretary | 30 Jun 1991 | 30 Sept 2002 | British | - |
| Peter Geoffrey Welsh | Secretary | 1 Aug 2004 | 14 Nov 2008 | British | - |
| Peter Stephen O'sullivan | Director | 1 Jun 2020 | 4 Feb 2025 | British | 63 years |
| Ross William Wilson | Director | 23 Mar 2022 | 5 Mar 2025 | British | 57 years |
