| ELEMENTAL COMPANY SECRETARY LIMITED ACTIVE | Secretary | 16 Jul 2021 | | | | 27, Old Gloucester Street, London, WC1N 3AX, United Kingdom |
| CASTLE, Mark ACTIVE | Director | 20 Sep 2021 | | United Kingdom | January 1965 | Dawson House, 5 Jewry Street, London, EC3N 2EX, United Kingdom |
| HUNTER, Jonathan Albert ACTIVE | Director | 14 Jun 2016 | | England | November 1978 | Dawson House, 5 Jewry Street, London, EC3N 2EX, United Kingdom |
| LEVETT, Alyson Margaret ACTIVE | Director | 08 Dec 2023 | | England | January 1966 | Dawson House, 5 Jewry Street, London, EC3N 2EX, United Kingdom |
| NABAVI, Annette Patricia, Dr ACTIVE | Director | 12 Aug 2021 | | United Kingdom | April 1952 | Dawson House, 5 Jewry Street, London, EC3N 2EX, United Kingdom |
| PELLATT, James Robert ACTIVE | Director | 08 Apr 2024 | | United Kingdom | March 1970 | Dawson House, 5 Jewry Street, London, EC3N 2EX, United Kingdom |
| PRITCHARD, Neil Bartley ACTIVE | Director | 03 Oct 2022 | | England | December 1971 | Dawson House, 5 Jewry Street, London, EC3N 2EX, United Kingdom |
| BARTON, Ivor Ashley RESIGNED | Secretary | 03 Jan 2006 | 31 Jul 2014 | | | 5 Bluebell Close, Hemel Hempstead, Hertfordshire, HP1 2DH |
| COURTS, Andrew Llewellyn RESIGNED | Secretary | 19 Oct 2017 | 31 Dec 2020 | | | 66, Clifton Street, London, EC2A 4HB, England |
| COURTS, Andrew Llewellyn RESIGNED | Secretary | 31 Jul 2014 | 29 Jun 2016 | | | Unit 11, Foundry Lane, Burnham-On-Crouch, Essex, CM0 8BL, England |
| DANNHAUSER, David Stephen RESIGNED | Secretary | 18 Dec 1998 | 10 Sep 1999 | | | 28 Carrington Square, Harrow, Middlesex, HA3 6TF |
| DEANS, Simone RESIGNED | Secretary | 29 Jun 2016 | 01 Dec 2016 | | | Redhall, The Common, Redbourn, St. Albans, Hertfordshire, AL3 7NB, England |
| GRAVETT, Philip James RESIGNED | Secretary | 12 Oct 1993 | 18 Dec 1998 | | | Ellerslie Crawley End, Chrishall, Royston, Hertfordshire, SG8 8QJ |
| HOLDCROFT, Laurence Nigel RESIGNED | Secretary | 04 Jun 2001 | 03 Jan 2006 | | | 71 Fanshawe Crescent, Ware, Hertfordshire, SG12 0AR |
| HOPKINS, Nigel Antony RESIGNED | Secretary | 02 Mar 2001 | 04 Jun 2001 | | | 9 Norton Leys, Wavendon Gate, Milton Keynes, Buckinghamshire, MK7 7TA |
| PEARSON, David Barry RESIGNED | Secretary | 20 Feb 2017 | 18 Aug 2017 | | | Parkway House, Pegasus Way, Haddenham Business Park, Haddenham, Bucks, HP17 8LJ, England |
| TORESSE, Stella RESIGNED | Secretary | 31 Dec 2020 | 16 Jul 2021 | | | 66, Clifton Street, London, EC2A 4HB, England |
| TSAPPIS, Neil John Alfred RESIGNED | Secretary | 10 Sep 1999 | 02 Mar 2001 | | | Burfield 85 Church Green Road, Bletchley, Milton Keynes, MK3 6DA |
| WOOLLEY, Eric Ryhs RESIGNED | Secretary | | 11 Oct 1993 | | | 17 Heron Close, Sawbridgeworth, Hertfordshire, CM21 0BB |
| KSC SECRETARIES LIMITED RESIGNED | Secretary | 21 Aug 2017 | 19 Oct 2017 | | | 49, High Street, Burnham-On-Crouch, CM0 8AG, England |
| KSC SECRETARIES LIMITED RESIGNED | Secretary | 01 Dec 2016 | 31 Mar 2017 | | | 49, High Street, Burnham-On-Crouch, CM0 8AG, England |
| BAYNE, Thomas Justin Everard RESIGNED | Director | 29 Sep 2003 | 09 Jun 2005 | | September 1962 | 50 Bolingbroke Road, London, W14 0AH |
| BISHOP, John Maurice RESIGNED | Director | | 27 Jul 1994 | | May 1947 | Chelsworth Hall Hall Road, Chelsworth, Ipswich, Suffolk, IP7 7HX |
| BOUGHTON, Paul RESIGNED | Director | 23 Mar 2021 | 27 Mar 2023 | England | September 1965 | Dawson House, 5 Jewry Street, London, EC3N 2EX, United Kingdom |
| CALLAGHAN, Peter William RESIGNED | Director | 06 Jul 1993 | 29 Jan 1997 | England | June 1951 | Emerys Bucks Lane, Little Eversden, Cambridge, Cambridgeshire, CB3 7HL |
| CAW, Nicholas James Baxter RESIGNED | Director | 02 Jul 2014 | 18 Apr 2016 | England | June 1972 | 66, Clifton Street, London, EC2A 4HB |
| COHEN, Jonathan RESIGNED | Director | 11 Nov 2002 | 08 Jun 2015 | England | January 1944 | Dancing Hill, High Street East Hendred, Wantage, Oxfordshire, OX12 8JY |
| CRAIG, Kevin Daniel Patrick RESIGNED | Director | 27 Mar 2017 | 31 Aug 2021 | England | May 1971 | 66, Clifton Street, London, EC2A 4HB, England |
| DANNHAUSER, David Stephen RESIGNED | Director | 05 Feb 2018 | 31 Aug 2021 | England | December 1954 | 66, Clifton Street, London, EC2A 4HB, England |
| DANNHAUSER, David Stephen RESIGNED | Director | 07 Feb 1994 | 15 Jul 2010 | England | December 1954 | 8 Marsworth Avenue, Pinner, Middlesex, HA5 4UB |
| EDWARDS, Jonathan Brenig RESIGNED | Director | 01 Apr 2010 | 31 Dec 2017 | United Kingdom | May 1955 | 66, Clifton Street, London, EC2A 4HB, England |
| GREENWOOD, Martin Andrew RESIGNED | Director | 03 Feb 2015 | 26 Jun 2015 | England | June 1957 | 66, Clifton Street, London, EC2A 4HB |
| HOUSEMAN, Christopher RESIGNED | Director | | 22 Jul 1993 | | April 1955 | 5 Reeves Pightle, Great Chishill, Royston, Hertfordshire, SG8 8SL |
| KARLSSON, Per Erik Anders RESIGNED | Director | 27 Mar 2017 | 31 Aug 2021 | Sweden | October 1965 | 66, Clifton Street, London, EC2A 4HB, England |
| KETTELEY, John Henry Beevor RESIGNED | Director | 29 Jan 1997 | 23 Sep 2020 | United Kingdom | August 1939 | 66, Clifton Street, London, EC2A 4HB, England |
| LANG, Serena RESIGNED | Director | 01 Dec 2014 | 11 May 2023 | United Kingdom | August 1970 | Dawson House, 5 Jewry Street, London, EC3N 2EX, United Kingdom |
| LOVGREN, Mats Wilhelm RESIGNED | Director | 29 Mar 2004 | 21 Oct 2004 | | July 1949 | Mycklevagen 59, Skelleftea, Se 931 98, Sweden |
| MCCULLEN, Michael Barry RESIGNED | Director | 01 Mar 2007 | 09 Jan 2015 | England | February 1962 | Whistamere, Farmcote, Claverley, Shropshire, WV5 7AF |
| MISTRY, Mukul Vallabh, Mr. RESIGNED | Director | 06 Jun 2018 | 19 May 2020 | England | July 1971 | 66, Clifton Street, London, EC2A 4HB, England |
| MORALEE, Benjamin Stuart RESIGNED | Director | 12 Sep 2018 | 26 Mar 2021 | England | September 1977 | 66, Clifton Street, London, EC2A 4HB, England |
| MORGAN, John Alfred RESIGNED | Director | 07 Aug 1997 | 21 Nov 2001 | | September 1931 | 5 Grange Road, Highgate, London, N6 4AR |
| MORGAN, Simon Philip RESIGNED | Director | 15 Nov 2017 | 12 Sep 2018 | United Kingdom | December 1976 | 66, Clifton Street, London, EC2A 4HB, England |
| NEWBY, Frederick Edward RESIGNED | Director | 04 Apr 2005 | 30 Sep 2010 | United Kingdom | July 1947 | Hartley Farthingham Lane, Ewhurst, Cranleigh, Surrey, GU6 7QN |
| PAINE, Robert Arthur RESIGNED | Director | 13 Jun 1995 | 24 Apr 1996 | England | November 1935 | Beechfield Yealand Conyers, Lancaster, Lancashire, LA5 9SG |
| PEARSON, David Barry RESIGNED | Director | 20 Feb 2017 | 21 Aug 2017 | England | October 1968 | Parkway House, Pegasus Way, Haddenham Business Park, Haddenham, Bucks, HP17 8LJ, England |
| PLUMPTON, Alan RESIGNED | Director | 04 Dec 1992 | 07 Aug 1997 | | November 1926 | Lockhill Stubbs Wood, Chesham Bois, Amersham, Buckinghamshire, HP6 6EX |
| QUINN, Thomas RESIGNED | Director | 20 Nov 2000 | 30 Jun 2010 | United Kingdom | February 1938 | 7 Bedford Street, Woburn, Milton Keynes, MK17 9QB |
| REEVE, John Frederick RESIGNED | Director | 04 Dec 1992 | 01 Dec 1995 | | October 1929 | Copse Close, Cedar Road Hook Heath, Woking, Surrey, GU22 0JJ |
| RICHARDSON, George Michael RESIGNED | Director | | 30 Jun 1992 | | October 1940 | Orchard Vale Borley Green, Woolpit, Bury St Edmunds, Suffolk, IP30 9RW |
| RUDDLE, Jason Barnaby RESIGNED | Director | 29 Feb 2016 | 12 Jan 2018 | England | December 1970 | 66, Clifton Street, London, EC2A 4HB, England |
| SCOPES, Herman Marcus RESIGNED | Director | 07 Aug 1997 | 16 Nov 2005 | | November 1938 | 91 High Street, Wargrave, Reading, Berkshire, RG10 8DD |
| SLATER, Richard Craig Alan RESIGNED | Director | 07 Dec 2009 | 31 Aug 2011 | United Kingdom | June 1963 | Westleigh, Stannage Lane, Churton, Chester, Cheshire, CH3 6LE |
| SPRATLING, Graham Neil RESIGNED | Director | 08 Jul 2015 | 06 Jan 2017 | England | April 1967 | Parkway House, Pegasus Way, Haddenham Business Park, Haddenham, Bucks, HP17 8LJ, England |
| TAYLOR, Paul James RESIGNED | Director | 20 Jul 2000 | 08 Oct 2009 | England | March 1965 | 40 Azalea Close, Lutterworth, Leicestershire, LE17 4FR |
| TEARLE, Robert Andrew Charles RESIGNED | Director | 26 Mar 2021 | 04 Feb 2022 | United Kingdom | March 1966 | 6, Bevis Marks, London, EC3A 7BA, United Kingdom |
| TURNER, Matthew Lloyd RESIGNED | Director | 27 Jan 2011 | 02 Oct 2013 | England | April 1966 | 66, Clifton Street, London, EC2A 4HB |
| WALTON, Field Laurence Joseph RESIGNED | Director | | 22 Dec 1997 | England | April 1940 | Christow Cottage, Seer Green Lane, Jordans, Buckinghamshire, HP9 2ST |
| WEBSTER, Michael John RESIGNED | Director | | 06 Jul 1993 | | December 1951 | Coles Park House, Cole Park Westmill, Buntingford, Hertfordshire, SG9 9LT |
| WOOLLEY, Eric Ryhs RESIGNED | Director | | 11 Oct 1993 | | March 1959 | 17 Heron Close, Sawbridgeworth, Hertfordshire, CM21 0BB |