| Andrew Christopher Bolter | Director | 3 Sept 2012 | 4 Apr 2014 | British | 56 years |
| Bernard Desmond Andrews | Director | 30 Apr 1992 | 2 Nov 1992 | British | 92 years |
| Charles Novotny | Director | 30 Apr 1992 | 30 Jun 1997 | British | 88 years |
| 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 |
| 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 |
| Jack Mawdsley | Director | 30 Apr 1992 | 30 Nov 1992 | British | 88 years |
| James Richard Stirk | Director | 30 Apr 1992 | 3 Feb 2004 | British | 67 years |
| James Richard Stirk | Director | 11 Jun 2010 | 14 Dec 2012 | British | 67 years |
| James Richard Stirk | Secretary | 30 Apr 1992 | 3 Feb 2004 | British | - |
| John Ferguson Bowater | Director | 29 Jan 1993 | 3 Feb 2004 | British | 77 years |
| Lafarge Tarmac Directors (uk) Limited | Corporate Director | 28 Jun 2013 | 27 Aug 2015 | United Kingdom | - |
| Michael John Choules | Director | 27 Aug 2015 | 9 Apr 2021 | British | 66 years |
| Peter Beresford Rothwell | Director | 29 Jan 1993 | 29 Jun 2001 | British | 86 years |
| Richard John Wood | Director | 9 Apr 2021 | 30 Sept 2022 | British | 54 years |
| Ruth Sarah Button | Director | 30 Sept 2022 | 1 Oct 2025 | British | 42 years |
| Tarmac Nominees Limited | Corporate Director | 2 Feb 2004 | 29 Jun 2013 | United Kingdom | - |
| Tarmac Nominees Two Limited | Corporate Director | 2 Feb 2004 | 29 Jun 2013 | United Kingdom | - |
| Tarmac Nominees Two Limited | Corporate Secretary | 3 Feb 2004 | 29 Jun 2013 | United Kingdom | - |
