| Barbara Reeves | Nominee Director | 15 Oct 1998 | 2 Nov 1998 | British | 64 years |
| Biffa Corporate Services Limited | Corporate Director | 25 Jul 2011 | 19 Sept 2023 | United Kingdom | - |
| Culdip Kelly Caur Pone | Director | 26 Jan 2009 | 2 Aug 2011 | British | 56 years |
| David Andrew Brown | Director | 22 Sept 2000 | 7 Nov 2001 | English | 72 years |
| David Robert Knott | Director | 1 Aug 2003 | 31 Mar 2009 | British | 78 years |
| Hales Waste Control Limited | Corporate Director | 31 Mar 2008 | 29 May 2008 | United Kingdom | - |
| Hilary Myra Ellson | Secretary | 31 Jul 2008 | 3 Jul 2012 | British | - |
| Ian Raymond Wakelin | Director | 14 Jun 2017 | 28 Sept 2018 | British | 63 years |
| Jan Andreas Leonardus Horbach | Director | 12 Feb 2010 | 28 May 2010 | Dutch | 64 years |
| John Sydney Quinn | Director | 2 Nov 1998 | 22 Sept 2000 | British | 68 years |
| Julian Bowden-williams | Director | 27 Jul 2010 | 31 Mar 2011 | British | 54 years |
| Keith Woodward | Secretary | 31 Jul 2008 | 9 Dec 2016 | Other | - |
| Keith Woodward | Director | 29 May 2008 | 9 Dec 2016 | British | 72 years |
| Martin John Bettington | Director | 22 Sept 2000 | 31 Mar 2008 | British | 74 years |
| Martin Richard Stewart | Director | 19 Jul 1999 | 22 Sept 2000 | British | 66 years |
| Michael William Rich | Nominee Director | 15 Oct 1998 | 2 Nov 1998 | British | 79 years |
| Mitre Secretaries Limited | Corporate Nominee Secretary | 15 Oct 1998 | 22 Sept 2000 | United Kingdom | - |
| Nicholas Gregg | Director | 29 May 2008 | 29 Apr 2010 | British | 63 years |
| Paul Anthony James | Director | 19 Sept 2023 | 31 Oct 2024 | British | 59 years |
| Paul Willis Jennings | Director | 12 Feb 2010 | 3 Aug 2010 | British | 69 years |
| Peter Bernard Dessing | Director | 2 Nov 1998 | 10 Sept 1999 | American | 79 years |
| Richard Neil Pike | Director | 28 Sept 2018 | 31 Mar 2023 | British | 57 years |
| Robin Edwin Tweedale | Director | 22 Sept 2000 | 31 Jul 2003 | British | 74 years |
| Timothy Walter John Lowth | Director | 20 Aug 2001 | 27 Nov 2008 | British | 67 years |
| William Alexander Frank Clark | Secretary | 22 Sept 2000 | 31 Jul 2008 | British | - |
