| Adrian Michael Gorham | Director | 28 Sept 2010 | 30 Jun 2021 | British | 64 years |
| Alnery Incorporations No 1 Limited | Corporate Nominee Director | 9 Aug 2001 | 7 Jun 2002 | - | - |
| Alnery Incorporations No 1 Limited | Corporate Nominee Secretary | 9 Aug 2001 | 7 Jun 2002 | - | - |
| Alnery Incorporations No 2 Limited | Corporate Nominee Director | 9 Aug 2001 | 7 Jun 2002 | - | - |
| Amanda Jayne Stokes-waters | Director | 27 Feb 2019 | 25 Feb 2022 | British | 59 years |
| Andrew Kennedy Harley | Director | 7 Jun 2002 | 31 Dec 2008 | British | 66 years |
| Andrew Paul Davies | Director | 30 Jun 2017 | 30 Jun 2021 | British | 70 years |
| Arvind Dahya Ladwa | Director | 7 Jun 2002 | 2 Dec 2013 | British | 70 years |
| Cheryl Campbell Black | Director | 28 Nov 2007 | 31 Mar 2019 | British | 68 years |
| Dominic Julian Mahony | Director | 14 Nov 2006 | 31 May 2007 | British | 66 years |
| Gordon Millar | Director | 28 Nov 2007 | 20 Nov 2012 | British | 67 years |
| Ian Clarke | Director | 31 Mar 2008 | 31 Mar 2010 | British | 61 years |
| Jennifer Sharon Davidson | Director | 1 Jun 2023 | 30 Jun 2025 | British | 61 years |
| Katherine Ann Jarvis | Director | 31 Mar 2008 | 31 Mar 2018 | British | 59 years |
| Philip Nicholas Bramwell | Director | 7 Jun 2002 | 31 Oct 2006 | British | 69 years |
| Ronan James Dunne | Director | 7 Jun 2002 | 31 Mar 2008 | Irish | 63 years |
| Trevor William Boon | Director | 2 Dec 2013 | 4 May 2017 | British | 75 years |