| Alan Alexander Calder | Director | 2 Apr 2013 | 1 Dec 2016 | Scottish | 67 years |
| Andrew Jonathan Martin | Director | 20 Oct 2009 | 2 Apr 2013 | British | 71 years |
| Andrew Lawrence Hardman | Director | 12 Jan 2009 | 2 Apr 2013 | British | 64 years |
| Andrew Richard Brindley | Director | 18 Dec 2006 | 12 Jan 2009 | British | 64 years |
| Brian Pemberton | Director | 12 Apr 2017 | 27 Nov 2019 | British | 60 years |
| Capital Trading Companies Secretaries Limited | Corporate Secretary | 12 Jan 2009 | 2 Apr 2013 | - | - |
| Church Street Nominees Limited | Corporate Secretary | 6 Apr 2006 | 12 Jan 2009 | United Kingdom | - |
| Clive Derrick Parrish | Director | 20 Aug 2002 | 31 Jan 2003 | British | 70 years |
| Close Director Services Limited | Corporate Director | 30 Nov 2007 | 12 Jan 2009 | - | - |
| Colin Francis Merrien | Director | 12 Jan 2009 | 2 Apr 2013 | British | 65 years |
| Craig Ferguson Bowie | Director | 12 Apr 2017 | 21 Apr 2021 | British | 62 years |
| David John Copley | Director | 12 Jan 2009 | 20 Oct 2009 | British | 64 years |
| Frances Lynn Hughes | Director | 2 Apr 2013 | 14 Dec 2016 | British | 67 years |
| Gary Roger Drinkwater | Director | 13 Nov 1995 | 20 Aug 2002 | British | 72 years |
| Halco Secretaries Limited | Corporate Director | 7 Feb 1992 | 12 Feb 1994 | United Kingdom | - |
| Halco Secretaries Limited | Corporate Secretary | 7 Feb 1992 | 26 Apr 1993 | United Kingdom | - |
| Harold Dawe | Director | 26 Apr 1993 | 30 Sept 1997 | British | 74 years |
| Harold Dawe | Director | 31 Jan 2003 | 12 Jul 2007 | British | 74 years |
| Iain Thomas Wardhaugh | Director | 2 Apr 2013 | 25 Mar 2022 | British | 64 years |
| Ian Rogan Sharpe | Director | 11 Sept 2014 | 20 Oct 2019 | British | 66 years |
| Jane Elicia Carty | Director | 22 May 2003 | 10 Sept 2004 | British | 54 years |
| Jonathan Hedgecock | Director | 13 Apr 2017 | 21 Nov 2024 | British | 54 years |
| Joseph Sanderson | Director | 12 Apr 2017 | 20 Nov 2024 | British | 52 years |
| Karen Elizabeth Davies | Director | 14 Sept 2015 | 31 May 2022 | British | 61 years |
| Kevin Cartledge | Director | 16 Oct 1995 | 6 Aug 2000 | British | 69 years |
| Lawrence James Ladbrook | Director | 31 May 2022 | 23 Feb 2023 | British | 59 years |
| Lee Wright Penrose | Director | 26 Jul 1999 | 31 Jan 2003 | British | 64 years |
| Lee Wright Penrose | Director | 3 Jul 2007 | 10 Aug 2007 | British | 64 years |
| Lee Wright Penrose | Secretary | 26 Jul 1999 | 31 Jan 2003 | British | - |
| Marc Wood | Director | 14 Sept 2015 | 2 Dec 2015 | British | 50 years |
| Mark Christopher Croman | Director | 18 Dec 2024 | 1 Aug 2025 | British | 52 years |
| Mark Jonathan Lewin | Director | 31 Jan 2003 | 9 May 2006 | British | 61 years |
| Mark Jonathan Lewin | Secretary | 31 Jan 2003 | 6 Apr 2006 | British | - |
| Michael Hennessy | Director | 6 Aug 2000 | 31 Jan 2003 | British | 61 years |
| Michael Stephen Walsh | Director | 26 Apr 1993 | 13 Nov 1995 | Irish | 71 years |
| Morag Campbell Stewart | Director | 2 Apr 2013 | 2 Apr 2013 | British | 59 years |
| Nigel Jeffrey Arkley | Director | 26 Apr 1993 | 30 Sept 1997 | British | 75 years |
| Nigel Jeffrey Arkley | Secretary | 26 Apr 1993 | 30 Sept 1997 | British | - |
| Peter David Christmas | Director | 13 Apr 2017 | 31 May 2022 | British | 63 years |
| Richard Frederick William Parker | Director | 3 Feb 2014 | 18 Jun 2015 | British | 59 years |
| Russell John Greenwood | Director | 2 Apr 2013 | 15 May 2015 | British | 60 years |
| Shaun Ridings | Director | 30 Sept 1997 | 26 Jul 1999 | British | 64 years |
| Shaun Ridings | Secretary | 30 Sept 1997 | 26 Jul 1999 | British | - |
| Simon Andrew Wright | Director | 14 Sept 2015 | 20 Oct 2019 | British | 63 years |
| Stephen Christopher Towse | Director | 1 May 1998 | 1 Aug 2000 | British | 74 years |
| Steven Short | Director | 2 Apr 2013 | 4 Apr 2014 | British | 58 years |
| Stuart Marcus Gibson | Director | 31 Jan 2003 | 18 Dec 2006 | British | 52 years |
| Stuart Marcus Gibson | Director | 10 Aug 2007 | 30 Nov 2007 | British | 52 years |
| Stuart Marcus Gibson | Secretary | 31 Jan 2003 | 30 Mar 2006 | British | - |