| Alexei Robert Callender | Director | 11 Apr 2016 | 16 Nov 2016 | British | 44 years |
| Ann Monk | Director | 30 Jun 2015 | 10 May 2016 | British | 56 years |
| Bibby Bros. & Co. (management) Limited | Corporate Secretary | 27 Sept 2003 | 11 Dec 2020 | United Kingdom | - |
| Duncan Ashley Eyre | Director | 11 Apr 2016 | 8 Aug 2018 | British | 55 years |
| Ekkehard Goetz | Director | 26 Mar 1992 | 19 Jul 1992 | British | 86 years |
| Gertraud Goetz | Director | 20 Jul 1992 | 22 Dec 1994 | German | 72 years |
| Gregory John Michael | Director | 11 Dec 2020 | 9 Jan 2025 | British | 59 years |
| Hans Helmut Winkler | Director | 26 Mar 1992 | 1 Sept 2003 | German | 82 years |
| Iain Alexander Speak | Director | 29 Jun 2007 | 31 Dec 2014 | British | 68 years |
| Jurgen Herbert Timm | Director | 26 Mar 1992 | 26 Aug 1992 | German | 80 years |
| Michael James Bibby | Director | 31 Jan 2018 | 10 Apr 2018 | British | 63 years |
| Michael Peter Brown | Director | 1 Jan 2015 | 31 Jan 2018 | British | 70 years |
| Neil Kerr Gould | Director | 1 Jan 2014 | 31 May 2017 | British | 68 years |
| Nigel Leonard Douglas Tullett | Director | 8 Aug 2018 | 20 Jun 2019 | British | 60 years |
| Paul Andrew Cullingford | Director | 1 Sept 2003 | 30 Jun 2015 | British | 65 years |
| Paul Anthony Byrne | Director | 1 Jan 2014 | 31 Dec 2014 | British | 55 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 | 17 Apr 2017 | 11 Dec 2020 | British | 51 years |
| Steven John Palmer | Director | 26 Mar 1992 | 1 Sept 2003 | British | 71 years |
| Steven John Palmer | Secretary | 26 Mar 1992 | 27 Sept 2003 | British | - |
| Theodore Henry John De Pencier | Director | 1 Sept 2003 | 29 Jun 2007 | British | 74 years |