| KAELLER, Marcus Rudolf ACTIVE | Director | 23 Jun 2026 | | United Kingdom | October 1971 | The Priestley Centre, Priestley Road, Surrey Research Park, Guildford, GU2 7XY, England |
| WATSON, Helen Ruth ACTIVE | Director | 17 Jan 2025 | | England | December 1972 | 80, Victoria Street, London, SW1E 5JL, England |
| CAVANAGH, Teri-Anne RESIGNED | Secretary | 09 Oct 2020 | 31 Aug 2022 | | | Lgc, Queens Road, Teddington, TW11 0LY, United Kingdom |
| CHOW, Maxine RESIGNED | Secretary | 17 Mar 2010 | 08 Oct 2010 | | | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY, England |
| DONALD, Keith RESIGNED | Secretary | 16 Feb 2015 | 31 Aug 2016 | | | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY |
| ILETT, John Edward RESIGNED | Secretary | 07 Jan 2011 | 16 Feb 2015 | | | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY |
| OGLE, Navneet Kaur RESIGNED | Secretary | 31 Aug 2016 | 09 Oct 2020 | | | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY |
| PARSONS, Simon Lawrence RESIGNED | Secretary | 09 Oct 2010 | 07 Jan 2011 | | | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY |
| RICHARDS, Lucy RESIGNED | Secretary | 01 Sep 2022 | 17 Sep 2024 | | | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY |
| THOMPSON, Rachel Clare RESIGNED | Secretary | 26 Jan 2010 | 08 Mar 2010 | | | 30, Warwick Street, London, W1B 5AL |
| BARTER, Charles Stuart John RESIGNED | Director | 06 Nov 2009 | 08 Mar 2010 | United Kingdom | April 1962 | 30, Warwick Street, London, W1B 5AL, England |
| BATTERSBY, Geoffrey Brian RESIGNED | Director | 05 Mar 2010 | 28 Oct 2010 | United Kingdom | February 1960 | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY, England |
| BUSBY, Christopher John RESIGNED | Director | 28 Jan 2010 | 08 Mar 2010 | England | January 1972 | 30, Warwick Street, London, W1B 5AL, England |
| FREEMAN, Benjamin Elliot RESIGNED | Director | 06 Nov 2009 | 08 Mar 2010 | United Kingdom | January 1971 | 30, Warwick Street, London, W1B 5AL, England |
| O'SULLIVAN, Euan Ralph Herbert RESIGNED | Director | 17 Sep 2021 | 31 Jan 2025 | United Kingdom | May 1979 | Lgc, Queens Road, Teddington, TW11 0LY, United Kingdom |
| PARSONS, Simon Lawrence RESIGNED | Director | 28 Oct 2010 | 24 Jan 2022 | United Kingdom | June 1969 | Lgc Limited, Queens Road, Teddington, Middlesex, TW11 0LY, United Kingdom |
| RICHARDSON, David Gordon RESIGNED | Director | 05 Mar 2010 | 20 May 2013 | United Kingdom | August 1961 | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY, England |
| ROBINSON, Timothy Michael RESIGNED | Director | 16 May 2013 | 17 Sep 2021 | United Kingdom | August 1963 | Lgc, Queens Road, Teddington, Middlesex, TW11 0LY |
| THIEFFRY, Alexandre RESIGNED | Director | 28 Mar 2022 | 23 Jun 2026 | United Kingdom | May 1985 | 80, Victoria Street, London, SW1E 5JL, England |