| Alan Campbell Ritchie | Director | 15 Jul 2009 | 17 Oct 2009 | British | 59 years |
| Andrew Matthews | Director | 1 Sept 2006 | 25 May 2007 | British | 64 years |
| Angela Mills | Director | 9 Sept 2019 | 31 Aug 2021 | British | 65 years |
| Angela Mills | Director | 22 Nov 2016 | 9 Sept 2019 | British | 65 years |
| Biif Corporate Services Limited | Corporate Director | 16 Nov 2011 | 18 Mar 2013 | United Kingdom | - |
| Brendan James Corr | Director | 12 Mar 2008 | 15 Jul 2009 | Irish | 61 years |
| Cathy Lagan | Director | 9 Sept 2005 | 10 Apr 2006 | British | 51 years |
| Jane Catherine Barber | Director | 15 Jul 2009 | 22 Nov 2016 | British | 63 years |
| Jason Andrew Johnston | Director | 10 Apr 2006 | 1 Sept 2006 | British | 51 years |
| Jasvinder Singh Bal | Director | 1 Sept 2006 | 30 Mar 2007 | British | 47 years |
| John David Harris | Director | 18 Mar 2013 | 2 Nov 2015 | British | 61 years |
| John Mcdonagh | Director | 18 Mar 2013 | 8 Sept 2014 | British | 57 years |
| Joseph Eugene Philipsz | Director | 8 Sept 2014 | 15 May 2015 | British,irish | 59 years |
| Kevin Alistair Cunningham | Director | 24 May 2023 | 12 Sept 2025 | British | 44 years |
| Klaus Boede | Director | 16 Oct 2006 | 12 Mar 2008 | German | 67 years |
| Klaus Boede | Secretary | 16 Oct 2006 | 30 Jun 2008 | - | - |
| Leanne Mckeown | Secretary | 9 Sept 2005 | 1 Sept 2006 | - | - |
| Leanne Mckeown | Director | 9 Sept 2005 | 1 Sept 2006 | British | 47 years |
| Leo William Mckenna | Director | 24 Jul 2018 | 24 May 2023 | Northern Irish | 60 years |
| Martin James Rawlinson | Director | 2 Oct 2008 | 22 Nov 2016 | British | 60 years |
| Matthias Alexander Reicherter | Director | 22 Apr 2009 | 16 Nov 2011 | German | 56 years |
| Oliver James Wake Jennings | Director | 24 Apr 2007 | 15 Jul 2009 | British | 63 years |
| Peter Kenneth Johnstone | Director | 2 Nov 2015 | 24 Jul 2018 | British | 61 years |
| Philip Clarke | Director | 30 Mar 2007 | 2 Oct 2008 | Irish | 72 years |
| Priya Ruth Veerapen | Director | 28 Apr 2010 | 18 Mar 2013 | Malaysian | 46 years |
| Robert Sean Mcclatchey | Director | 30 Apr 2007 | 22 Apr 2009 | British | 61 years |
| Robert Sean Mcclatchy | Director | 17 Oct 2009 | 28 Apr 2010 | British | 61 years |
| Roger Harold Potts | Director | 1 Sept 2006 | 30 Mar 2007 | British | 73 years |
| Sally-ann Brooks | Director | 22 Nov 2016 | 19 Jan 2018 | British | 60 years |
| Sally-ann Brooks | Director | 31 Aug 2021 | 30 Jun 2023 | British | 60 years |
| William Francis Philip Cheevers | Director | 16 Oct 2006 | 19 Mar 2013 | British | 65 years |