| Alan Frederick Birch | Director | 2 May 1992 | 27 Aug 1992 | British | 71 years |
| Angus Robert Mccoll | Secretary | 31 Aug 1995 | 2 Nov 1998 | British | - |
| Beverley Ann Wright | Director | 6 Jul 1998 | 30 Jun 2005 | British | 68 years |
| Brian John Watkins | Director | 2 May 1992 | 6 Oct 1992 | British | 89 years |
| Bryan Maloney | Director | 4 Feb 2020 | 11 Jun 2021 | Irish | 57 years |
| Carillion Management Limited | Corporate Director | 25 Nov 1999 | 23 Apr 2008 | United Kingdom | - |
| Carillion Secretariat Limited | Corporate Secretary | 30 Apr 2006 | 23 Apr 2008 | United Kingdom | - |
| Charles Richard Barton | Director | 31 May 1995 | 13 Jun 1996 | British | 76 years |
| Christopher Francis Girling | Director | 11 May 2006 | 2 Apr 2007 | British | 72 years |
| Christopher Michael Ives | Director | 10 Jun 2016 | 12 Dec 2018 | British | 58 years |
| David Paul Newman | Director | 20 May 1994 | 31 May 1995 | British | 70 years |
| Edward Daniel Macdonald | Director | 2 May 1992 | 27 Aug 1992 | Canadian | 74 years |
| Gerald Thornton Brown | Director | 9 Jul 1996 | 31 May 2005 | British | 76 years |
| Jane Caroline Gibson | Director | 29 Sept 1992 | 6 Oct 1992 | British | 66 years |
| Jeremy Robin John Douse | Director | 29 Sept 1992 | 30 Jun 1993 | British | 69 years |
| John Mcdonough | Director | 11 May 2006 | 31 Dec 2011 | British | 75 years |
| John Roger Marshall | Director | 2 May 1992 | 6 Oct 1992 | British | 82 years |
| Keith Woodward | Secretary | 2 Nov 1998 | 30 Apr 2006 | British | - |
| Ken Bate | Director | 11 Jun 2021 | 14 Jul 2025 | British | 66 years |
| Laurent Maurice Joly | Director | 2 May 1992 | 27 Aug 1992 | Canadian | 72 years |
| Lee James Mills | Director | 11 Jun 2014 | 12 Dec 2018 | British | 68 years |
| Lee Scott Richardson | Director | 12 Dec 2018 | 4 Feb 2020 | British | 54 years |
| Mark Conrad Lambert | Director | 31 Mar 1994 | 17 Apr 1998 | British | 62 years |
| Mark William Orriss | Director | 11 Jun 2014 | 12 Dec 2018 | British | 63 years |
| Martyn Ford Richardson | Director | 12 Dec 2018 | 4 Feb 2020 | British | 57 years |
| Michael John Day | Director | 9 Jul 1996 | 30 May 2003 | British | 81 years |
| Michael John Foundly | Director | 2 May 1992 | 22 Mar 1999 | British | 66 years |
| Michael John Foundly | Secretary | 2 May 1992 | 1 Dec 1994 | British | - |
| Mowlem Secretariat Limited | Corporate Secretary | 1 Dec 1994 | 31 Aug 1995 | - | - |
| Neil Mcmillan | Director | 23 Apr 2008 | 10 Jun 2016 | British | 50 years |
| Paul Richard Mainwaring | Director | 31 May 2005 | 11 May 2006 | British | 63 years |
| Richard John Adam | Director | 2 Apr 2007 | 31 Oct 2016 | British | 69 years |
| Robert Nigel Fish | Director | 11 Oct 1993 | 20 May 1994 | British | 73 years |
| Roger David Clark | Director | 2 May 1992 | 31 Mar 1994 | British | 85 years |
| Roger Norman Sainsbury | Director | 31 May 1995 | 31 Dec 1995 | British | 86 years |
| Roger William Robinson | Director | 11 May 2006 | 30 Jun 2009 | British | 75 years |
| Simon Paul Eastwood | Director | 23 Apr 2008 | 12 Dec 2018 | British | 69 years |
| Timothy Francis George | Secretary | 23 Apr 2008 | 30 Jun 2017 | British | - |
| Westley Maffei | Secretary | 1 Jul 2017 | 11 Sept 2018 | - | - |
| Zafar Iqbal Khan | Director | 31 Oct 2016 | 11 Sept 2017 | British | 58 years |