| Aci Directors Limited | Corporate Nominee Director | 24 Apr 2006 | 24 Apr 2006 | United Kingdom | - |
| Aci Secretaries Limited | Corporate Secretary | 24 Apr 2006 | 24 Apr 2006 | United Kingdom | - |
| Andrew Thraves | Director | 1 Nov 2016 | 12 Apr 2021 | British | 61 years |
| Carol Ann Mckinley | Secretary | 26 Jan 2021 | 30 Apr 2024 | - | - |
| Catherine Trevorrow | Secretary | 1 Nov 2016 | 13 Sept 2019 | - | - |
| Christopher Kenneth Kington | Director | 1 Jun 2006 | 30 Sept 2009 | British | 80 years |
| Dominic Jacquesson | Director | 28 Sept 2006 | 31 Jan 2009 | British | 56 years |
| Edward Charles Tranham | Director | 24 Apr 2006 | 31 May 2007 | British | 67 years |
| Emma Rogers | Director | 27 Apr 2007 | 21 Apr 2010 | British | 48 years |
| Gemma Louise Jones | Secretary | 15 Dec 2011 | 11 Nov 2014 | - | - |
| Jacqueline Maria Oughton | Director | 19 Aug 2019 | 29 Sept 2022 | British | 62 years |
| James Nicholas Bell | Director | 1 Nov 2016 | 31 May 2019 | British | 60 years |
| James Robertson | Director | 28 Jul 2023 | 30 Apr 2024 | British | 37 years |
| Joanne Vivienne Morgan | Director | 30 Nov 2017 | 22 Oct 2020 | British | 56 years |
| Julian James Christian Turner | Director | 24 Apr 2006 | 1 Nov 2016 | British | 65 years |
| Kevin Michael Beerling | Director | 1 Nov 2016 | 30 Sept 2018 | British | 56 years |
| Natascha Katarina Lloyd | Secretary | 24 Apr 2006 | 15 Dec 2011 | British | - |
| Paul Mcgee | Director | 6 Dec 2016 | 27 Jul 2021 | British | 82 years |
| Paul Mcgee | Director | 23 Jul 2021 | 20 Sept 2023 | British | 82 years |
| Quentin Mark Brocklebank | Director | 31 Jan 2009 | 15 Feb 2013 | British | 56 years |
| Scott Morley Miller | Director | 29 Sept 2022 | 30 Apr 2024 | British | 59 years |
| Stephen Noel King | Director | 27 Jul 2021 | 28 Jul 2023 | British | 62 years |
| Stephen Noel King | Secretary | 30 Apr 2020 | 26 Jan 2021 | - | - |
| William Edward Fawbert | Director | 15 Feb 2013 | 1 Nov 2016 | British | 55 years |
| William Edward Fawbert | Secretary | 11 Nov 2014 | 1 Nov 2016 | - | - |