| Bernard Denis Maurice Tabary | Director | 1 Feb 2011 | 10 Dec 2017 | French | 66 years |
| Charles Anthony Hodgson | Director | 6 Dec 2015 | 10 Dec 2017 | British | 47 years |
| Christian Schreyer | Director | 5 Nov 2021 | 2 Feb 2023 | German | 58 years |
| David Allen Brown | Director | 1 Apr 2011 | 5 Nov 2021 | British | 66 years |
| Elodie Marie Francoise Brian | Director | 5 Jun 2019 | 27 Sept 2021 | French | 47 years |
| Gordon Alexander Boyd | Director | 28 Sept 2021 | 28 Mar 2022 | British | 66 years |
| Hendrikus Verwer | Director | 1 Jan 2012 | 10 Dec 2017 | Dutch | 66 years |
| Ian Mclaren | Director | 16 Jul 2014 | 23 May 2022 | British | 58 years |
| Ian Philip Butcher | Director | 24 Jul 2006 | 1 Jul 2007 | British | 75 years |
| Jean-pierre Deghaye | Director | 24 Jul 2006 | 5 Oct 2007 | French | 78 years |
| Julian Edwards | Director | 11 Nov 2007 | 29 Jul 2011 | British | 57 years |
| Keith Down | Director | 7 Mar 2011 | 6 Dec 2015 | British | 61 years |
| Keith Lawrence Ludeman | Director | 24 Jul 2006 | 2 Jul 2011 | British | 76 years |
| Malcolm Robert Rimmer | Director | 20 Jul 2010 | 11 Jun 2015 | British | 67 years |
| Michael Peter Hodson | Director | 20 Jul 2009 | 31 Dec 2011 | British | 75 years |
| Michel Laurent Masson | Director | 6 Oct 2006 | 11 Sept 2009 | French | 58 years |
| Nicholas Swift | Director | 17 Jul 2007 | 7 Mar 2011 | British | 62 years |
| Nicolas Luc Daniel Vandevyver | Director | 4 Dec 2009 | 11 Jun 2015 | French | 62 years |
| Patrick Raymond Jeantet | Director | 24 Jul 2006 | 1 Feb 2011 | French | 66 years |
| Prima Director Limited | Corporate Director | 12 May 2006 | 24 Jul 2006 | United Kingdom | - |
| Prima Secretary Limited | Corporate Secretary | 12 May 2006 | 24 Jul 2006 | United Kingdom | - |
| Ralph Leo Pidsley | Director | 2 Feb 2023 | 30 Aug 2024 | British | 63 years |
| Simon Patrick Butcher | Director | 14 Mar 2016 | 30 Nov 2018 | British | 59 years |
| Stephane Andre Richon | Director | 5 Oct 2007 | 6 May 2010 | French | 74 years |
| Stephen Banaghan | Director | 11 Nov 2007 | 17 Jul 2009 | British | 68 years |
| Thomas William Mclardy Smith | Director | 24 Jul 2006 | 31 Dec 2010 | British | 69 years |
| Wilma Mary Allan | Director | 29 Jul 2011 | 16 Jul 2014 | British | 64 years |