| Alan John Paterson | Director | 29 Jun 2007 | 31 Oct 2011 | British | 71 years |
| Andrew James Palmer | Director | 18 Jun 1992 | 16 Apr 1999 | British | 78 years |
| Anthony Joseph Mohan | Director | 1 Jul 2007 | 21 Jan 2010 | British | 72 years |
| Arthur Rennie Barnes | Director | 18 Jun 1992 | 16 Aug 1993 | British | 81 years |
| Bibby Bros. & Co. (management) Limited | Corporate Secretary | 18 Jun 1992 | 11 Dec 2020 | United Kingdom | - |
| Christopher David Suddes | Director | 1 Jul 1996 | 1 Nov 1996 | British | 64 years |
| David John Haworth | Director | 3 Jan 2019 | 1 Jul 2020 | British | 61 years |
| Duncan Ashley Eyre | Director | 1 Jan 2018 | 8 Aug 2018 | British | 55 years |
| Edward John Rimmer | Director | 1 Jan 2014 | 31 Dec 2014 | British | 54 years |
| Graeme Watson | Director | 6 Sept 1993 | 31 Jan 1998 | British | 67 years |
| Gregory John Michael | Director | 11 Dec 2020 | 9 Jan 2025 | British | 59 years |
| Iain Alexander Speak | Director | 18 Aug 1997 | 31 Dec 2014 | British | 68 years |
| John Harold Cresswell | Director | 9 May 2018 | 11 Dec 2020 | British | 65 years |
| Jonathan Gareth Lewis | Director | 10 Sept 2019 | 11 Dec 2020 | British | 53 years |
| Jonathan Haymer | Director | 1 Jan 1997 | 30 Sept 2016 | British | 67 years |
| Kevin Hassett | Director | 1 Jul 1994 | 30 Jun 1995 | British | 71 years |
| Mark Joseph Lyons | Director | 30 Sept 2016 | 24 Oct 2016 | British | 64 years |
| Martin Robert Palmer | Director | 18 Mar 1996 | 17 Feb 1998 | British | 65 years |
| Martin Stewart Howard | Director | 1 Feb 2000 | 11 Jan 2007 | British | 77 years |
| Michael James Bibby | Director | 1 Jan 1997 | 5 Nov 2014 | British | 63 years |
| Michael James Bibby | Director | 31 Jan 2018 | 9 May 2018 | British | 63 years |
| Michael Peter Brown | Director | 5 Nov 2014 | 31 Jan 2018 | British | 70 years |
| Nigel James Higgs | Director | 18 Jun 1992 | 30 Sept 1996 | British | 71 years |
| Paul Andrew Cullingford | Director | 30 Jun 1997 | 30 Jun 2015 | British | 65 years |
| Paul Anthony Byrne | Director | 1 Mar 2008 | 31 Dec 2014 | British | 55 years |
| Paul Kavanagh | Director | 1 Aug 2012 | 31 Dec 2014 | British | 65 years |
| Paul Raymond Patrick Mccourt | Director | 11 Dec 2020 | 9 Jan 2025 | British | 51 years |
| Peter James Clarkson | Director | 3 Jan 2019 | 11 Dec 2020 | British | 48 years |
| Richard James Morson | Director | 6 Jul 2015 | 11 Dec 2020 | British | 51 years |
| Simon Andrew Featherstone | Director | 29 Aug 2013 | 31 Dec 2014 | British | 58 years |
| Simon Patrick Sherrard | Director | 18 Jun 1992 | 31 Dec 1999 | British | 79 years |
| Stephen Hunter | Director | N/A | 14 Aug 1998 | British | 71 years |
| Steven Potter | Director | 29 Jun 2007 | 1 Feb 2010 | British | 58 years |
| Theodore Henry John De Pencier | Director | 4 May 1999 | 29 Jun 2007 | British | 74 years |
| William Leckie | Director | 18 Jun 1992 | 20 Aug 1993 | British | 71 years |