| Andrew Christopher Bolter | Director | 3 Sept 2012 | 4 Apr 2014 | British | 56 years |
| Brian Doyle | Director | 25 Dec 1991 | 7 Aug 1998 | British | 88 years |
| Christopher Gordon Reynolds | Director | 17 Jan 2008 | 18 May 2009 | British | 73 years |
| Clive Cadwgan James | Director | 23 Apr 1998 | 16 May 2005 | British | 78 years |
| David Anthony Grady | Director | 18 May 2009 | 11 Jun 2010 | British | 57 years |
| David Bruce Moore | Director | 23 Apr 1998 | 7 May 1999 | British | 75 years |
| David Charles Roberts | Director | 25 Dec 1991 | 30 Jun 1998 | British | 75 years |
| David Lee | Director | 25 Dec 1991 | 13 Apr 1992 | British | 92 years |
| Deborah Grimason | Director | 28 Jun 2013 | 20 Nov 2013 | British | 63 years |
| Derek Priestley | Director | 25 Dec 1991 | 23 Apr 1998 | British | 96 years |
| Douglas Neil Readdy | Director | 25 Dec 1991 | 18 Jun 1993 | British | 102 years |
| Fiona Puleston Penhallurick | Director | 4 Apr 2014 | 15 Mar 2016 | British | 59 years |
| Geoffrey Priestley | Director | 25 Dec 1991 | 12 Jun 1997 | British | 94 years |
| Helen Douglas | Director | 23 Apr 1998 | 16 May 2005 | British | 66 years |
| Helen Douglas | Secretary | 23 Apr 1998 | 16 May 2005 | British | - |
| James Richard Stirk | Director | 11 Jun 2010 | 14 Dec 2012 | British | 67 years |
| John Edwin Turner | Director | 25 Jan 1993 | 9 Oct 1995 | British | 81 years |
| Jonathan Kearsley-wooller | Director | 25 Dec 1991 | 31 Oct 1998 | British | 76 years |
| Katherine Ann Priestley | Director | 6 Jul 1992 | 23 Apr 1998 | British | 63 years |
| Katherine Ann Priestley | Secretary | 25 Apr 1994 | 23 Apr 1998 | British | - |
| Keith Michael Thomas | Secretary | 25 Dec 1991 | 25 Apr 1994 | British | - |
| Kenneth Stephen Clare | Director | 23 Apr 1998 | 16 May 2005 | British | 77 years |
| Kevan James Ward | Director | 25 Jan 1993 | 31 Jul 1998 | British | 82 years |
| Lafarge Tarmac Directors (uk) Limited | Corporate Director | 28 Jun 2013 | 27 Aug 2015 | United Kingdom | - |
| Mary Irene Priestley | Director | 25 Dec 1991 | 23 Apr 1998 | British | 90 years |
| Michael John Choules | Director | 27 Aug 2015 | 9 Apr 2021 | British | 66 years |
| Richard John Wood | Director | 9 Apr 2021 | 30 Sept 2022 | British | 54 years |
| Roderick Charles Priestly | Director | 1 Aug 1996 | 23 Apr 1998 | British | 55 years |
| Ruth Sarah Button | Director | 30 Sept 2022 | 1 Oct 2025 | British | 42 years |
| Stuart Maurice Haines | Director | 23 Apr 1998 | 16 May 2005 | British | 69 years |
| Tarmac Nominees Limited | Corporate Director | 16 May 2005 | 28 Jun 2013 | United Kingdom | - |
| Tarmac Nominees Two Limited | Corporate Director | 16 May 2005 | 28 Jun 2013 | United Kingdom | - |
| Tarmac Nominees Two Limited | Corporate Secretary | 16 May 2005 | 28 Jun 2013 | United Kingdom | - |
| William John Roberts | Director | 23 Apr 1998 | 1 Dec 2000 | British | 78 years |