| Andrew Charles Smith | Secretary | 1 Dec 1992 | 28 Nov 2000 | British | - |
| Andrew Christopher Bolter | Director | 3 Sept 2012 | 4 Apr 2014 | British | 56 years |
| Andrew Grahame Hulkes | Director | 21 Mar 1992 | 1 Nov 1996 | British | 70 years |
| Anthony John Collins | Director | 21 Mar 1992 | 15 Dec 1992 | British | 84 years |
| Christopher Gordon Reynolds | Director | 17 Jan 2008 | 18 May 2009 | British | 73 years |
| Christopher Malcolm Henry Kemp | Director | 15 Dec 1992 | 17 Dec 1999 | British | 75 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 |
| Hugh Victor Clark | Director | 21 Dec 1993 | 23 Nov 1999 | British | 78 years |
| James Richard Stirk | Director | 11 Jun 2010 | 14 Dec 2012 | British | 67 years |
| John Walton Knight | Director | 21 Mar 1993 | 27 Mar 1995 | British | 65 years |
| Lafarge Tarmac Directors (uk) Limited | Corporate Director | 28 Jun 2013 | 27 Aug 2015 | United Kingdom | - |
| Michael John Choules | Director | 12 Sept 2014 | 9 Apr 2021 | British | 66 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 |
| Sean Dominic Hardy Cufley | Secretary | 21 Mar 1992 | 1 Dec 1992 | British | - |
| Steven Keith Reeves | Director | 21 Mar 1992 | 16 Apr 1992 | British | 73 years |
| Tarmac Nominees Limited | Corporate Director | 17 Dec 1999 | 29 Jun 2013 | United Kingdom | - |
| Tarmac Nominees Two Limited | Corporate Director | 17 Dec 1999 | 29 Jun 2013 | United Kingdom | - |
| Tarmac Nominees Two Limited | Corporate Secretary | 28 Nov 2000 | 29 Jun 2013 | United Kingdom | - |
| Terence Harold Mason | Director | 1 Dec 1992 | 21 Dec 1993 | British | 85 years |
