| TUNG, Sukhjiwan Kaur ACTIVE | Secretary | 23 May 2007 | | | | 3rd Floor, The Porter Building, 1 Brunel Way, Slough, Berkshire, SL1 1FQ, England |
| BAPNA, Prashant ACTIVE | Director | 11 Jan 2019 | | England | May 1973 | 3rd Floor, The Porter Building, 1 Brunel Way, Slough, Berkshire, SL1 1FQ, England |
| KARAMPATZAKIS, Apostolos ACTIVE | Director | 14 Aug 2026 | | England | June 1978 | 3rd Floor, The Porter Building, 1 Brunel Way, Slough, Berkshire, SL1 1FQ, England |
| MOORE, Michael ACTIVE | Director | 08 Mar 2022 | | United States | January 1969 | 3rd Floor, The Porter Building, 1 Brunel Way, Slough, Berkshire, SL1 1FQ, England |
| PELLEGRINO, Michael Joseph ACTIVE | Director | 01 Feb 2021 | | United States | December 1979 | 333, Continental Boulevard, El Segundo, California 90245, United States |
| QUIGLEY, David Ian RESIGNED | Secretary | 01 Apr 2004 | 23 May 2007 | | | Gable Cottage, Northfield Avenue, Shiplake, Oxfordshire, RG9 3PB |
| PEMBROKE ASSOCIATES RESIGNED | Secretary | | 01 Apr 2004 | | | 5, College Mews, St Ann's Hill, London, SW18 2SJ |
| ALLMARK, David RESIGNED | Director | 14 Jan 2008 | 15 Aug 2011 | England | June 1963 | Park Farm House, Castle Street, Wallingford, Oxfordshire, OX10 8DW |
| EDEY, David RESIGNED | Director | 01 Mar 2006 | 23 May 2007 | England | January 1962 | Ashdean, 29 Langdon Lane Galmpton, Brixham, Devon, TQ5 0PH |
| GEDDES, Dominic Julian RESIGNED | Director | 23 May 2007 | 31 Dec 2017 | England | December 1959 | Mattel House, Vanwall Business Park, Vanwall Road Maidenhead, Berkshire, SL6 4UB |
| HICK, Michael Brian RESIGNED | Director | 01 Oct 2013 | 14 Aug 2026 | United Kingdom | August 1978 | 3rd Floor, The Porter Building, 1 Brunel Way, Slough, Berkshire, SL1 1FQ, England |
| HILL, Wendy Elizabeth RESIGNED | Director | 10 Jun 2013 | 03 Apr 2018 | England | October 1975 | Mattel House, Vanwall Business Park, Vanwall Road Maidenhead, Berkshire, SL6 4UB |
| IKIN, Dean William RESIGNED | Director | 10 Aug 2011 | 11 Jan 2019 | England | February 1965 | Mattel House, Vanwall Business Park, Vanwall Road, Maidenhead, Berkshire, SL6 4UB |
| NORMILE, Robert John RESIGNED | Director | 23 May 2007 | 31 Dec 2020 | United States | July 1959 | 333 Continental Boulevard, El Segundo, California 90245, United States |
| PEAN, Jean Christophe RESIGNED | Director | 23 May 2007 | 19 Oct 2007 | | August 1964 | Danes Place, New Road, Lower Shiplake, Oxfordshire, RG9 3LG |
| REDDY, Sandeep Rajaram RESIGNED | Director | 23 May 2007 | 01 Apr 2008 | | December 1970 | Flat 5, 24 Harcourt Terrace, London, SW10 9JR |
| TAYLOR, Christopher Joseph Crabtree RESIGNED | Director | | 23 May 2007 | England | February 1955 | 29 Sydney Street, London, SW3 6PU |
| TRAUGHBER, David Cleve RESIGNED | Director | 01 Apr 2008 | 25 Feb 2011 | England | May 1974 | 37, Winchendon Road, London, SW6 5DH, England |
| WALKER, Geoffrey Hulbert RESIGNED | Director | 02 Mar 2011 | 01 Apr 2013 | United Kingdom | October 1965 | Mattel House, Vanwall Business Park, Vanwall Road Maidenhead, Berkshire, SL6 4UB |
| WIGGS, Christopher Charles RESIGNED | Director | | 23 May 2007 | United Kingdom | August 1948 | 11 Forest Avenue, Chingford, London, E4 6AR |
| ZUBRISKI, Erica Marilyn RESIGNED | Director | 18 May 2009 | 31 Dec 2011 | England | August 1968 | 9, Kinghorn Park, Maidenhead, Berkshire, SL6 7TX |