| A G SECRETARIAL LIMITED ACTIVE | Secretary | 26 Oct 2017 | | | | 41, Lothbury, London, EC2R 7HG, United Kingdom |
| MCPHEETERS, Robert ACTIVE | Director | 12 Nov 2021 | | United States | September 1975 | 500, Riverside Industrial Parkway, Portland, Me, United States |
| MENKE JR, Thomas Scott ACTIVE | Director | 27 Jul 2026 | | United States | May 1984 | 500, Riverside Industrial Parkway, Portland, Me, 04103-1486, United States |
| EUSTACE, Michael Henry RESIGNED | Secretary | 14 Jan 1991 | 14 Oct 2003 | | | Whistley Green Farm, Hurst, Reading, Berks, RG10 0DU |
| JONES, Timothy Charles RESIGNED | Secretary | 01 Mar 2014 | 07 Nov 2014 | | | Coopers Bridge, Braziers Lane, Bracknell, Berkshire, RG42 6NS |
| LEWIS OGDEN, James Philip RESIGNED | Secretary | 03 Apr 2006 | 28 Nov 2006 | | | Oakdene, Forge Close, Melbourne, East Riding Of Yorkshire, YO42 4QS |
| PATRICK, Nigel RESIGNED | Secretary | 29 Nov 2010 | 14 Jan 2011 | | | Coopers Bridge, Braziers Lane, Bracknell, Berkshire, RG42 6NS |
| WARDLE, Richard Mark RESIGNED | Secretary | 21 Nov 2004 | 29 Nov 2010 | | | North Farm Cottage, Northney Lane, Hayling Island, Hampshire, PO11 0SE |
| BRANDISH CONSULTING LIMITED RESIGNED | Secretary | 03 Jan 2015 | 09 Mar 2017 | | | Cressida, The Warren, Reading, Berkshire, RG4 7TQ, United Kingdom |
| BUSINESS DIRECTION LIMITED RESIGNED | Secretary | 14 Oct 2003 | 21 Nov 2004 | | | 14 Sparrowgrove, Otterbourne, Winchester, Hampshire, SO21 2DL |
| CARR-HILL LIMITED RESIGNED | Secretary | 14 Jan 2011 | 01 Mar 2014 | | | 49a, Carr Hill Road, Upper Cumberworth, Huddersfield, West Yorkshire, HD8 8XN, England |
| FIRST SECRETARIES LIMITED RESIGNED | Nominee Secretary | 28 Jan 1991 | 14 Jan 1991 | | | 72 New Bond Street, London, W1S 1RR |
| BELL, Robert RESIGNED | Director | 26 Oct 2017 | 17 Jul 2020 | England | November 1967 | Coopers Bridge, Braziers Lane, Bracknell, Berkshire, RG42 6NS |
| BISCOE, Paul Victor, Dr RESIGNED | Director | 14 Jan 1991 | 25 Jun 1992 | | September 1944 | Melford Church Meadows, Barton, Richmond, N Yorks, DL10 6NQ |
| COLLINS, Christine RESIGNED | Director | 14 Jan 1991 | 14 Oct 2003 | | February 1953 | 21 Pickering, Wildridings, Bracknell, Berkshire, RG12 7EA |
| EUSTACE, Michael Henry RESIGNED | Director | 14 Jan 1991 | 29 Nov 2010 | England | January 1940 | Whistley Green Farm, Hurst, Reading, Berks, RG10 0DU |
| EUSTACE, Michael Henry RESIGNED | Director | | 20 Jan 1994 | England | January 1940 | Whistley Green Farm, Hurst, Reading, Berks, RG10 0DU |
| HANSON, Matthew James RESIGNED | Director | 05 Oct 2020 | 31 May 2022 | United Kingdom | November 1983 | C/O Cawood Scientific, Coopers Bridge, Braziers Lane, Winkfield Row, Bracknell, RG42 6NS, United Kingdom |
| PARRINGTON, Simon Christopher RESIGNED | Director | 17 Jul 2020 | 24 Feb 2023 | England | October 1970 | Coopers Bridge, Braziers Lane, Bracknell, Berkshire, RG42 6NS |
| PATRICK, Nigel John RESIGNED | Director | 01 Feb 2005 | 17 Jul 2020 | United Kingdom | June 1957 | Coopers Bridge, Braziers Lane, Bracknell, Berkshire, RG42 6NS |
| POBEREZHSKIY, Fiudor RESIGNED | Director | 18 Jun 2004 | 03 Apr 2006 | | July 1961 | 15 Kount Str, Berlin, 10623, Germany |
| RADNOR, Linda Joyce RESIGNED | Director | 06 Jan 2011 | 17 Jul 2020 | United Kingdom | March 1956 | Pinecroft, 109 Nash Grove Lane, Finchampstead, Wokingham, Berkshire, RG40 4HG, United Kingdom |
| SMITH, Jeremy Hugh RESIGNED | Director | 17 Jul 2020 | 31 Dec 2022 | United Kingdom | July 1968 | Coopers Bridge, Braziers Lane, Bracknell, Berkshire, RG42 6NS |
| VIVIAN, Andrew John RESIGNED | Director | 14 Jan 1991 | 25 Jun 1992 | England | November 1941 | Upper Frithfold Farm, Northchapel, Petworth, West Sussex, GU28 9JZ |
| WARDLE, Richard Mark RESIGNED | Director | 14 Oct 2003 | 26 Mar 2008 | England | October 1944 | North Farm Cottage, Northney Lane, Hayling Island, Hampshire, PO11 0SE |
| WELCH, William RESIGNED | Director | 12 Nov 2021 | 27 Jul 2026 | United States | July 1977 | 500, Riverside Industrial Parkway, Portland, Me, United States |
| FIRST DIRECTORS LIMITED RESIGNED | Nominee Director | 28 Jan 1991 | 14 Jan 1991 | | | 72 New Bond Street, London, W1S 1RR |