| Andrew Christopher Bolter | Director | 3 Sept 2012 | 4 Apr 2014 | British | 56 years |
| Andrew James Worrall | Director | 12 Jan 1995 | 31 Jan 1997 | British | 72 years |
| Andrew James Worrall | Secretary | 12 Jan 1995 | 31 Jan 1997 | British | - |
| Christopher Gordon Reynolds | Director | 17 Jan 2008 | 18 May 2009 | British | 73 years |
| David Anthony Grady | Director | 18 May 2009 | 11 Jun 2010 | British | 57 years |
| David Baxter | Director | 12 Sept 1999 | 22 Apr 2004 | British | 74 years |
| Deborah Grimason | Director | 28 Jun 2013 | 20 Nov 2013 | British | 63 years |
| Fiona Puleston Penhallurick | Director | 4 Apr 2014 | 15 Mar 2016 | British | 59 years |
| James Richard Stirk | Director | 11 Jun 2010 | 14 Dec 2012 | British | 67 years |
| John Kerr Lindsay | Secretary | 17 Jun 2004 | 5 Aug 2005 | British | - |
| Kathleen Meeks | Director | 31 Jan 1997 | 31 Jan 1997 | British | 79 years |
| Kenneth Alfred Riley | Director | 31 Jan 1997 | 12 Sept 1999 | British | 85 years |
| Lafarge Tarmac Directors (uk) Limited | Corporate Director | 28 Jun 2013 | 27 Aug 2015 | United Kingdom | - |
| Martin John Peacock | Director | 31 Jan 1997 | 12 Sept 1999 | British | 79 years |
| Michael John Choules | Director | 27 Aug 2015 | 9 Apr 2021 | British | 66 years |
| Paul Richard Lockwood | Director | 12 Jan 1995 | 27 Nov 1997 | British | 85 years |
| Richard John Wood | Director | 9 Apr 2021 | 30 Sept 2022 | British | 54 years |
| Robert Ian Walter Boyd | Director | 31 Jan 1997 | 5 Aug 2005 | British | 81 years |
| Robert Ian Walter Boyd | Secretary | 31 Jan 1997 | 17 Jun 2004 | British | - |
| Tarmac Nominees Limited | Corporate Director | 5 Aug 2005 | 29 Jun 2013 | United Kingdom | - |
| Tarmac Nominees Two Limited | Corporate Director | 5 Aug 2005 | 29 Jun 2013 | United Kingdom | - |
| Tarmac Nominees Two Limited | Corporate Secretary | 5 Aug 2005 | 29 Jun 2013 | United Kingdom | - |
| York Place Company Nominees Limited | Corporate Nominee Director | 30 Nov 1994 | 12 Jan 1995 | - | - |
| York Place Company Secretaries Limited | Corporate Nominee Secretary | 30 Nov 1994 | 12 Jan 1995 | - | - |