| Andrew Peter Cree | Secretary | 18 Feb 2005 | 16 Sept 2005 | British | - |
| Colin Thomson Loudon | Director | 28 Jan 2020 | 22 Dec 2021 | British | 62 years |
| D M Company Services Limited | Corporate Secretary | 25 Jan 2010 | 19 Nov 2010 | United Kingdom | - |
| David Charles Greensmith | Director | 18 Feb 2005 | 16 Sept 2005 | British | 73 years |
| Derrick Alan Nicholson | Director | 18 Feb 2005 | 16 Sept 2005 | British | 76 years |
| Erik Ulf Johan Bjorkqvist | Director | 16 Sept 2005 | 19 Nov 2010 | Finnish | 70 years |
| Erkki Nikosklainen | Director | 11 Aug 2009 | 19 Nov 2010 | Finnish | 52 years |
| Gerhard Engleder | Director | 1 Dec 2010 | 11 Apr 2016 | Austrian | 58 years |
| Hannu Kauko Tapani Isohaaro | Director | 16 Sept 2005 | 2 Jul 2009 | Finnish | 74 years |
| Jeremy Paul Scudamore | Director | 18 Feb 2005 | 16 Sept 2005 | British | 79 years |
| Matti Heikki Juhani Packalen | Director | 16 Sept 2005 | 28 Jul 2009 | Finnish | 79 years |
| Michel Marie Paul Fernand Maupu | Director | 11 Aug 2009 | 19 Nov 2010 | French | 79 years |
| Neil Keith Partlett | Director | 1 Nov 2013 | 19 Feb 2020 | British | 62 years |
| Neil Richard Dixon | Director | 24 Oct 2023 | 27 Nov 2023 | British | 54 years |
| Paymon Daneshpay | Director | 22 Dec 2021 | 27 Feb 2023 | British | 42 years |
| Robert Huw Gair | Director | 20 Apr 2018 | 31 Dec 2019 | British | 46 years |
| Stephen Neil Coombe | Secretary | 16 Sept 2005 | 13 Jan 2010 | British | - |
| Thomas Shields | Director | 16 Sept 2005 | 17 Sept 2008 | British | 75 years |
| Thomas Stüpfert | Director | 19 Nov 2010 | 11 Jun 2013 | German | 55 years |
| Yrjo Martti Sipila | Director | 16 Sept 2005 | 28 Jul 2009 | Finnish | 77 years |