| Andrew Geoffrey Stirling Addison | Director | 1 Mar 2004 | 9 Mar 2012 | British | 64 years |
| Andrew James Duxbury | Director | 1 May 2018 | 9 Apr 2019 | British | 51 years |
| Andrew Richard Hammond | Director | 1 Jul 2015 | 31 Jul 2020 | British | 56 years |
| Anthony Lane | Director | 1 Jul 2005 | 1 Jan 2011 | British | 67 years |
| Brian Leslie Martyn | Director | 1 Jul 1993 | 1 Jul 1994 | British | 89 years |
| Brian Stafford Deacon | Director | 1 Oct 2011 | 29 Jun 2018 | British | 69 years |
| Charles Michael Robert Stubbs | Director | 1 May 2000 | 8 Feb 2002 | British | 76 years |
| David Alistair Harris Ewing | Director | 13 May 1992 | 23 Dec 1997 | British | 79 years |
| David Anthony Luke | Director | 1 Jul 2002 | 31 Oct 2003 | British | 67 years |
| David Duncan Seaton | Director | 1 Jul 2005 | 31 May 2008 | British | 61 years |
| David Roland Wood | Director | 1 Feb 1993 | 31 Mar 2007 | British | 74 years |
| David Ward Tilman | Director | 9 May 2007 | 31 Dec 2009 | British | 73 years |
| Earl Sibley | Director | 3 Jan 2020 | 31 Dec 2024 | British | 54 years |
| Galliford Try Secretariat Services Limited | Corporate Secretary | 1 Mar 2012 | 3 Jan 2020 | United Kingdom | - |
| Gary Neil Peters | Director | 1 Oct 2011 | 1 Jul 2013 | British | 62 years |
| Graham Hutton | Director | 1 Jul 2005 | 1 Apr 2013 | British | 53 years |
| Gregory Paul Fitzgerald | Director | 1 Jul 1993 | 9 May 2007 | British | 62 years |
| Gregson Horace Locke | Director | 1 Jul 2010 | 30 Jun 2015 | British | 70 years |
| Ian Baker | Director | 1 May 2000 | 31 May 2004 | British | 56 years |
| Ian Baker | Director | 29 Sept 2009 | 2 Jan 2013 | British | 56 years |
| Jacqueline Chalmers | Director | 9 Apr 2019 | 21 Oct 2020 | British | 51 years |
| Jason Knight | Director | 1 Jan 2011 | 6 Apr 2016 | British | 59 years |
| John Arthur Bower | Secretary | 23 Dec 1997 | 8 May 1998 | British | - |
| John Livingston | Director | 23 Dec 1997 | 28 Sept 1999 | British | 83 years |
| Julie Elizabeth Macey | Director | 1 Dec 1997 | 31 Dec 2007 | British | 78 years |
| Keith Bryan Carnegie | Director | 3 Jan 2020 | 31 Dec 2023 | British | 57 years |
| Kevin Paul Foley | Director | 9 May 2007 | 29 Jun 2011 | British | 69 years |
| Leonard James Lewis | Director | 13 May 1992 | 23 Dec 1997 | British | 84 years |
| Leonard James Lewis | Director | 23 Dec 1997 | 31 Jul 1999 | British | 84 years |
| Mark Robert Farnham | Director | 14 Jan 2010 | 1 May 2018 | British | 61 years |
| Martin Trevor Digby Palmer | Secretary | 3 Jan 2020 | 25 Jun 2021 | - | - |
| Michael Anthony Noble | Director | 23 Dec 1997 | 1 Sept 2003 | British | 77 years |
| Nigel John Palmer | Director | 3 Jul 2012 | 5 Oct 2017 | British | 60 years |
| Paul Anthony Davies | Secretary | 11 May 1998 | 15 Sept 2000 | British | - |
| Philip John Bradford | Director | 13 May 1992 | 23 Dec 1997 | British | 78 years |
| Philip John Bradford | Director | 23 Dec 1997 | 29 Oct 1999 | British | 78 years |
| Philip John Bradford | Secretary | 13 May 1992 | 23 Dec 1997 | British | - |
| Richard Barraclough | Secretary | 15 Sept 2000 | 29 Feb 2012 | British | - |
| Richard John Hayman | Director | 1 May 2000 | 12 Sept 2016 | British | 60 years |
| Rodney Charles Stone | Director | 1 May 2000 | 31 Dec 2004 | British | 79 years |
| Russell Jon Baldwinson | Director | 1 Jan 2007 | 3 Aug 2009 | British | 55 years |
| Stuart Michael Borer | Director | 11 Feb 2002 | 11 Feb 2005 | British | 80 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 13 May 1992 | 13 May 1992 | United Kingdom | - |
| Timothy John Douglas | Director | 1 Jul 2004 | 29 Sept 2017 | British | 64 years |
| Wayne Martyn Bennett | Director | 1 Jan 2008 | 27 Aug 2010 | British | 51 years |
| William Ernest Cawse | Director | 1 Jul 1997 | 12 Sept 2016 | British | 67 years |