| Andrew James Duxbury | Director | 29 Jun 2018 | 9 Apr 2019 | British | 50 years |
| Andrew Richard Hammond | Director | 1 Jul 2015 | 31 Jul 2020 | British | 55 years |
| Anthony Lane | Director | 1 Jul 2005 | 1 Jan 2011 | British | 66 years |
| Brian Stafford Deacon | Director | 9 Feb 2012 | 29 Jun 2018 | British | 68 years |
| Clive Paul Scourfield | Director | 1 Jul 2002 | 1 Jul 2004 | British | 72 years |
| Company Directors Limited | Corporate Nominee Director | 24 Jun 1998 | 26 Jun 1998 | United Kingdom | - |
| David Duncan Seaton | Director | 1 Jul 2005 | 31 May 2008 | British | 60 years |
| David Roland Wood | Director | 2 Dec 1999 | 31 Mar 2007 | British | 73 years |
| David Ward Tilman | Director | 9 May 2007 | 31 Dec 2009 | British | 72 years |
| Earl Sibley | Director | 3 Jan 2020 | 31 Dec 2024 | British | 53 years |
| Galliford Try Secretariat Services Limited | Corporate Secretary | 1 Mar 2012 | 3 Jan 2020 | United Kingdom | - |
| Graham Hutton | Director | 1 Jul 2005 | 1 Apr 2013 | British | 52 years |
| Gregson Horace Locke | Director | 1 Jul 2010 | 30 Jun 2015 | British | 69 years |
| Ian Baker | Director | 6 Jan 2003 | 15 Jan 2004 | British | 55 years |
| Ian Baker | Director | 9 May 2007 | 2 Jan 2013 | British | 55 years |
| Jacqueline Chalmers | Director | 9 Apr 2019 | 21 Oct 2020 | British | 50 years |
| Jason Knight | Director | 1 Jan 2011 | 6 Apr 2016 | British | 58 years |
| John Bernard O'connor | Secretary | 26 Jun 1998 | 3 Apr 2001 | British | - |
| Julie Elizabeth Macey | Director | 3 Apr 2001 | 31 Dec 2007 | British | 77 years |
| Keith Bryan Carnegie | Director | 3 Jan 2020 | 31 Dec 2023 | British | 56 years |
| Kevin Paul Foley | Director | 9 May 2007 | 29 Jun 2011 | British | 68 years |
| Martin Trevor Digby Palmer | Secretary | 3 Jan 2020 | 25 Jun 2021 | - | - |
| Nigel John Palmer | Director | 3 Jul 2012 | 5 Oct 2017 | British | 59 years |
| Paul Gregory Fitzgerald | Director | 2 Dec 1999 | 9 May 2007 | British | 61 years |
| Richard Barraclough | Secretary | 3 Apr 2001 | 29 Feb 2012 | British | - |
| Richard John Hayman | Director | 27 Mar 2002 | 12 Sept 2016 | British | 59 years |
| Sandra Carol Wood | Director | 26 Jun 1998 | 2 Dec 1999 | British | 69 years |
| Stuart Michael Borer | Director | 11 Feb 2002 | 11 Feb 2005 | British | 79 years |
| Temple Secretaries Limited | Corporate Nominee Secretary | 24 Jun 1998 | 26 Jun 1998 | - | - |
| Timothy John Douglas | Director | 1 Feb 2007 | 29 Sept 2017 | British | 63 years |
| William Ernest Cawse | Director | 3 Apr 2001 | 12 Sept 2016 | British | 66 years |