| Alan Alexander Wilson | Director | 22 May 1991 | 9 Jan 2006 | British | 76 years |
| Amanda Helen Bowe | Director | 22 Jul 2020 | 30 Apr 2024 | British | 58 years |
| Andre Imre Oszmann | Director | 23 May 2002 | 31 Aug 2006 | British | 70 years |
| Andrew Dyble | Director | 22 May 1991 | 6 Oct 1995 | British | 70 years |
| Andrew Moss | Director | 22 Jul 2020 | 1 Oct 2022 | British | 62 years |
| Bernard Andrew Curran | Director | 4 Aug 2022 | 8 May 2025 | British | 58 years |
| Brett Stuart Powell Williams | Director | 27 Apr 2007 | 31 May 2008 | British | 67 years |
| Brian Gerard Dunne | Director | 31 Dec 2019 | 22 Jul 2020 | Irish | 60 years |
| Brian Keith Pudney | Director | 22 May 1991 | 8 May 2001 | British | 82 years |
| Brid Mary Meaney | Director | 1 Jan 2022 | 19 Aug 2024 | Irish | 52 years |
| Carl Henrik Georg Danckwardt | Director | 22 May 1991 | 3 Aug 2000 | Swedish | 68 years |
| Carlton James Hood | Director | 14 Jul 2014 | 15 Apr 2016 | British | 55 years |
| Claes Erik Oscarson | Director | 22 May 1991 | 7 Sept 1993 | Swedish | 80 years |
| Darren William John Sharkey | Director | 30 Mar 2011 | 12 Sept 2017 | Irish | 56 years |
| David James Chessell | Director | 5 Dec 2008 | 2 Dec 2009 | British | 61 years |
| David John Still | Director | 12 Oct 2018 | 22 Jul 2020 | British | 59 years |
| Dean Leonard Clarke | Secretary | 3 Sept 2014 | 29 Sept 2017 | - | - |
| Denise Janet Larnder | Director | 31 Dec 2019 | 22 Jul 2020 | British | 66 years |
| Dennis Richard Gamester | Director | 22 May 1991 | 17 Nov 1992 | British | 79 years |
| Derek John Thomas | Secretary | 22 May 1991 | 16 Sept 1991 | British | - |
| Duncan John Lane Eardley | Secretary | 5 Feb 2013 | 31 Mar 2014 | British | - |
| George Mcgrimmon Reid | Director | 8 Nov 2017 | 31 Dec 2019 | British | 61 years |
| Gunnar Josef Moberg | Director | 5 Apr 1995 | 14 Aug 2002 | Swedish | 72 years |
| Ian Adam Craston | Director | 1 Jun 2023 | 31 Oct 2025 | British | 60 years |
| Ian Smith | Director | 22 May 1991 | 31 Dec 1999 | British | 81 years |
| Ian Smith | Secretary | 16 Sept 1991 | 7 Apr 1998 | British | - |
| James Daniel Gallagher | Director | 22 Jul 2020 | 30 Sept 2021 | British | 72 years |
| James Roberts | Director | 22 May 1991 | 31 Jul 2006 | British | 75 years |
| Jan Richard Carendi | Director | 22 May 1991 | 3 Aug 2000 | Swedish | 81 years |
| Jan-mikael Bexhed | Director | 22 Sept 2000 | 6 Mar 2003 | Swedish | 72 years |
| Jeremy Douglas Charles | Director | 16 Nov 2015 | 30 Jun 2016 | British | 71 years |
| John Easton Gill | Director | 10 Jul 2018 | 31 Dec 2019 | British | 62 years |
| John Philip Hine | Director | 28 Apr 2010 | 14 Apr 2017 | British | 69 years |
| John Robert Lister | Director | 22 Jul 2020 | 24 Aug 2025 | British | 68 years |
| John Tomlins | Director | 13 Jan 2009 | 7 Jun 2010 | British | 78 years |
| Jonathan Robson Pears | Director | 22 Jul 2020 | 1 Oct 2022 | British | 58 years |
| Lars Eric Gustav Petersson | Director | 10 Oct 2000 | 3 Mar 2003 | Swedish | 76 years |
| Lars Hakan Lindkvist | Director | 7 Sept 1993 | 8 Dec 1995 | British | 82 years |
| Malcolm Mountford Campbell | Director | 22 May 1991 | 1 Oct 2003 | British | 70 years |
| Margaret Grace Hassall | Director | 22 Jul 2020 | 31 Mar 2023 | British | 65 years |
| Mark Christian Allen | Director | 23 Jan 2007 | 31 May 2008 | British | 63 years |
| Mark David Peters | Secretary | 31 Dec 2019 | 1 Apr 2020 | - | - |
| Mark Kevin Leather | Director | 5 Sept 2011 | 23 Aug 2016 | British | 53 years |
| Mark O'connell | Director | 15 Apr 2003 | 31 Aug 2006 | British | 62 years |
| Mark Oscar Satchel | Director | 26 Mar 2013 | 14 Jul 2014 | British,south African | 57 years |
| Matthew Hilmar Cuhls | Director | 31 Dec 2019 | 1 Mar 2022 | British | 52 years |
| Maxwell Colin Ledlie | Director | 31 Dec 2019 | 22 Jul 2020 | British | 60 years |
| Michael Charles Woodcock | Director | 31 Dec 2019 | 31 Dec 2021 | British | 58 years |
| Michael Christopher Chapman | Director | 22 May 1991 | 9 Apr 1996 | British | 79 years |
| Michael John Eakins | Director | 22 Jul 2020 | 1 Oct 2022 | Irish | 51 years |
| Michael John Gordon | Director | 1 Sept 1991 | 12 Mar 2005 | British | 79 years |
| Michael John Yardley | Director | 31 Dec 2019 | 22 Jul 2020 | British | 70 years |
| Michael Jonathan Evans | Director | 19 Apr 1993 | 30 Apr 2006 | British | 65 years |
| Michael Norris Urmston | Director | 22 Jul 2020 | 31 Oct 2021 | British | 77 years |
| Michelle Ann Cracknell | Director | 3 Dec 2008 | 6 Jul 2010 | British | 62 years |
| Nicholas Hugh Poyntz Wright | Director | 9 May 1996 | 30 Jun 2010 | British | 63 years |
| Nicholas Hugh Poyntz-wright | Director | 22 Jul 2020 | 31 Dec 2024 | British | 63 years |
| Nicholas Ramsay Dixon | Director | 31 Aug 2006 | 5 Feb 2013 | British | 61 years |
| Paul Robert Penney | Director | 23 Oct 2013 | 22 Aug 2016 | British | 66 years |
| Paul Robert Thomas Miller | Director | 21 Nov 2008 | 30 Jun 2011 | British | 64 years |
| Paul Shakespeare | Secretary | 1 Apr 2020 | 22 Jul 2020 | - | - |
| Paul William Feeney | Director | 26 Mar 2013 | 29 Oct 2015 | British | 63 years |
| Pauline Jane Colvin | Director | 26 Mar 2007 | 28 Jan 2008 | British | 62 years |
| Penelope Ann Mckelvey | Secretary | 5 Nov 2008 | 14 Jan 2013 | British | - |
| Peter Kane Mayes | Director | 1 Oct 2022 | 31 Mar 2024 | British | 55 years |
| Peter Mann | Director | 9 Jan 2009 | 20 May 2014 | British | 68 years |
| Quilter Cosec Services Limited | Corporate Secretary | 29 Sept 2017 | 31 Dec 2019 | United Kingdom | - |
| Rakesh Kishore Thakrar | Director | 1 Oct 2022 | 31 Jul 2024 | British | 51 years |
| Richard David Freeman | Director | 30 Sept 2016 | 8 Nov 2017 | British | 72 years |
| Robert Edward Hornby | Director | 22 Apr 2010 | 30 Jun 2011 | British | 57 years |
| Roger Quentin Phillips | Director | 23 May 2002 | 20 Aug 2008 | British | 67 years |
| Roger Quentin Phillips | Secretary | 7 Apr 1998 | 20 Aug 2008 | British | - |
| Sarah Louise Davey | Secretary | 1 Apr 2014 | 3 Sept 2014 | - | - |
| Scott Kilgour Goodsir | Director | 14 Jul 2014 | 31 Dec 2019 | Scottish | 61 years |
| Simon John Burgess | Director | 8 May 2001 | 31 Mar 2006 | British | 65 years |
| Simon Peter Luis Gordon | Director | 9 May 1996 | 20 Jun 2003 | British | 70 years |
| Simon Trevor Lloyd | Director | 10 Oct 2003 | 12 Feb 2010 | British | 66 years |
| Simon Vincent Wood | Director | 12 Sept 2017 | 31 Dec 2019 | British | 59 years |
| Stephen Andrew Clarke | Director | 22 Jul 2020 | 1 Oct 2022 | British | 72 years |
| Stephen Charles Powell | Director | 24 Apr 2002 | 28 Jan 2008 | British | 77 years |
| Steven David Levin | Director | 29 Oct 2015 | 31 Dec 2019 | British | 51 years |
| Steven Isidore Moise Braudo | Director | 18 Jul 2017 | 5 Oct 2018 | British | 55 years |
| Timothy John Mann | Director | 19 Sept 2000 | 28 Jan 2010 | British | 62 years |
| Ulf Georg Spang | Director | 18 Oct 2000 | 11 Mar 2003 | Swedish | 78 years |
| Victor James Dodds | Director | 22 May 1991 | 6 Feb 1944 | British | 82 years |
| William Henry West | Director | 19 Apr 1993 | 22 May 1993 | British | 75 years |
| William Henry West | Director | 19 Apr 1993 | 3 May 2002 | British | 75 years |