| Alison Ann Hargreaves | Secretary | 9 May 1994 | 13 Aug 1999 | British | - |
| Anthony William Searson James | Director | 18 Mar 2011 | 12 Sept 2013 | British | 58 years |
| Caroline Mary Tolhurst | Secretary | 13 Aug 1999 | 1 Jul 2000 | British | - |
| Christine Anne Chandler | Nominee Director | 6 Apr 1994 | 9 May 1994 | British | 71 years |
| Christopher James Jukes | Director | 1 Apr 2014 | 27 Sept 2019 | British | 48 years |
| Deborah Clare Lee | Director | 27 Sept 2019 | 28 Mar 2022 | British | 50 years |
| Douglas Robert Jan De Broekert | Director | 9 May 1994 | 31 Dec 1998 | British | 87 years |
| George Ian Macloy Cockburn | Director | 9 May 1994 | 31 Dec 1997 | British | 81 years |
| Ian Douglas Mair | Director | 28 Mar 2022 | 27 Jun 2024 | British | 53 years |
| Ian Duncan Chisholm | Director | 31 Dec 2021 | 31 Dec 2023 | British | 59 years |
| James Creyke Hulton Whitty-lewis | Director | 28 Mar 2022 | 31 Mar 2025 | British | 45 years |
| Jeremy Henry Moore Newsum | Director | 9 May 1994 | 30 Jun 2008 | British | 71 years |
| Jonathan Osborne Hagger | Director | 9 May 1994 | 19 May 2006 | British | 77 years |
| Jonathan Osborne Hagger | Secretary | 1 Jul 2000 | 19 May 2006 | British | - |
| Judith Patricia Ball | Secretary | 1 Jun 2006 | 9 May 2019 | British | - |
| Mark Robin Preston | Director | 1 Jul 2008 | 28 Mar 2022 | British | 58 years |
| Mark Robin Preston | Director | 27 Nov 2000 | 8 Mar 2002 | British | 58 years |
| Nicholas Richard Scarles | Director | 1 Jun 2006 | 31 May 2019 | British, | 64 years |
| Peter Sean Vernon | Director | 28 Mar 2017 | 30 Sept 2021 | British | 67 years |
| Richard Allan Jeffrey Marshall | Director | 12 Jun 2015 | 31 Dec 2021 | British | 62 years |
| Richard Simon Handley | Director | 22 Jul 1996 | 19 Mar 2001 | British | 72 years |
| Robert Arthur Reeve | Nominee Director | 6 Apr 1994 | 9 May 1994 | British | 95 years |
| Robert Richard Davis | Director | 1 Jun 2019 | 28 Mar 2022 | British | 59 years |
| Sally Margaret Doyle Linden | Director | 1 Jun 2006 | 1 Oct 2007 | British | 67 years |
| Stephen Howard Rhodes Musgrave | Director | 31 Dec 1998 | 27 Nov 2000 | British | 73 years |
| Stephen Jeremy Moore | Director | 1 Oct 2007 | 30 Jun 2023 | British | 66 years |
| Timothy Leslie Budden | Director | 1 Jun 2006 | 28 Mar 2022 | British | 60 years |
| Trusec Limited | Corporate Nominee Secretary | 6 Apr 1994 | 9 May 1994 | United Kingdom | - |