| A G Secretarial Limited | Corporate Secretary | 20 Oct 2004 | 31 Mar 2007 | United Kingdom | - |
| Adrian John Lawton-wallace | Director | 26 Apr 2013 | 24 Feb 2017 | British | 55 years |
| Andy Muir | Director | 25 Oct 2021 | 8 May 2024 | British | 59 years |
| Benjamin Stefan Lipinski | Director | 31 Jul 2018 | 30 Jan 2020 | British | 53 years |
| Clive Harry Pitt | Director | 17 Oct 2011 | 22 Apr 2016 | British | 63 years |
| Colin Howell | Director | 20 Oct 2004 | 14 Dec 2004 | British | 63 years |
| Darrell Boyd | Director | 24 Feb 2017 | 26 Apr 2018 | British | 58 years |
| David Alan Pears | Director | 20 Oct 2004 | 14 May 2007 | British | 58 years |
| David Joseph Sweeney | Director | 19 Jan 2015 | 15 Apr 2018 | British | 57 years |
| David William Bowler | Director | 28 Mar 2008 | 22 Jan 2010 | British | 81 years |
| Eugene Martin Prinsloo | Director | 9 Feb 2005 | 30 Sept 2010 | British | 55 years |
| Fulcrum Infrastructure Management Limited | Corporate Secretary | 14 May 2007 | 1 Aug 2019 | United Kingdom | - |
| Humphrey Kenneth Haslam Claxton | Director | 14 Dec 2004 | 25 Apr 2025 | British | 80 years |
| Ian Mark Willett | Director | 16 Aug 2022 | 4 Mar 2024 | British | 47 years |
| Ian Richard Davies | Director | 14 Mar 2011 | 31 Mar 2013 | British | 63 years |
| Isaac Akintayo | Director | 8 May 2024 | 16 Dec 2024 | British | 41 years |
| James Stuart Thomson | Director | 1 Jul 2004 | 28 Mar 2008 | British | 52 years |
| Jamie Russell Andrews | Director | 11 Oct 2019 | 12 Oct 2019 | British | 56 years |
| Jamie Russell Andrews | Director | 7 Dec 2020 | 25 Oct 2021 | British | 56 years |
| Jan-willem Van Huyssteen De Jager | Director | 25 Jan 2010 | 25 Jan 2010 | South African | 47 years |
| John Nicholas Rushbrooke | Director | 20 Oct 2004 | 1 Apr 2011 | British | 80 years |
| Joni Fontoura | Director | 25 Jul 2014 | 1 Jul 2016 | French | 39 years |
| Julie Gallagher | Director | 15 Apr 2018 | 24 Oct 2024 | British | 57 years |
| Mark Andrew Pears | Director | 20 Oct 2004 | 14 May 2007 | British | 64 years |
| Michael James Chambers | Director | 1 Jan 2011 | 6 Nov 2015 | British | 70 years |
| Michael James Treharne | Director | 21 Oct 2009 | 1 Mar 2011 | British | 65 years |
| Nafees Arif | Director | 22 Jan 2010 | 18 Nov 2011 | British | 53 years |
| Neil Geoffrey Ward | Director | 6 Nov 2015 | 7 Dec 2020 | British | 67 years |
| Neil Keith Grice | Director | 20 Oct 2004 | 28 Oct 2009 | British | 61 years |
| Office Organization & Services Limited | Corporate Secretary | 5 Apr 2004 | 1 Jul 2004 | United Kingdom | - |
| Oliver David Hannan | Director | 1 May 2019 | 6 May 2022 | British | 53 years |
| Peregrine Secretarial Services Limited | Corporate Director | 5 Apr 2004 | 1 Jul 2004 | United Kingdom | - |
| Richard Mark Ashcroft | Director | 27 Apr 2012 | 14 Jan 2014 | British | 59 years |
| Stephen Spall | Director | 26 Apr 2018 | 1 May 2019 | British | 62 years |
| Stephen Sutcliffe | Director | 23 Jul 2013 | 22 Oct 2014 | British | 55 years |
| Stephen Yvon Pierre Noirie | Director | 22 Jan 2010 | 12 Apr 2013 | French | 52 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 5 Apr 2004 | 5 Apr 2004 | United Kingdom | - |
| Tim David Russell | Secretary | 1 Jul 2004 | 20 Oct 2004 | British | - |
