| HAMMOND, Fiona ACTIVE | Secretary | 27 Nov 2025 | | | | Level 5, Arbor, 255 Blackfriars Road, London, SE1 9AX, England |
| KUTNIK, Aneta ACTIVE | Director | 14 Jul 2025 | | England | July 1980 | Level 5, Arbor, 255 Blackfriars Road, London, SE1 9AX, England |
| LOUNSBURY, Eric Robert ACTIVE | Director | 14 Jul 2025 | | England | October 1979 | Level 5, Arbor, 255 Blackfriars Road, London, SE1 9AX, England |
| BYRNE, Laura RESIGNED | Secretary | 11 Mar 2019 | 22 Sep 2023 | | | Level 5, Arbor, 255 Blackfriars Road, London, SE1 9AX, England |
| DUNCAN, Bradley Paul RESIGNED | Secretary | 07 Jul 2015 | 12 Dec 2018 | | | 4th Floor, Dorset House, 27-45 Stamford Street, London, SE1 9NT |
| MCCONNACHIE, Hannah Rymer RESIGNED | Secretary | 25 Apr 2024 | 27 Nov 2025 | | | Level 5, Arbor, 255 Blackfriars Road, London, SE1 9AX, England |
| RADOYCHEVA, Milena RESIGNED | Secretary | 04 Dec 2023 | 31 Mar 2024 | | | Level 5, Arbor, 255 Blackfriars Road, London, SE1 9AX, England |
| STOCKWELL, Anthony Howard RESIGNED | Secretary | 26 Mar 2003 | 01 Jul 2010 | | | Five Farthings, Mansel Road Wimbledon, London, SW19 4AA |
| WILLIAMS, Claire Anne RESIGNED | Secretary | 01 Jul 2010 | 26 Sep 2014 | | | 4th Floor, Dorset House, 27-45 Stamford Street, London, SE1 9NT, England |
| NQH (CO SEC) LIMITED RESIGNED | Nominee Secretary | 28 Jan 2003 | 26 Mar 2003 | | | Narrow Quay House, Narrow Quay, Bristol, BS1 4AH |
| BOOT, Rosemary Jane Cecilia RESIGNED | Director | 26 Mar 2003 | 01 Aug 2011 | United Kingdom | November 1962 | 71 Bute Gardens, London, W6 7DX |
| BROOK, Richard John RESIGNED | Director | 26 Mar 2003 | 22 Sep 2011 | England | March 1938 | 5 Staverton Grange, 129 Banbury Road, Oxford, OX2 7AJ |
| CRUICKSHANK, Peggy Jean, Dr RESIGNED | Director | 11 Jun 2008 | 08 Aug 2011 | England | June 1957 | 14, Copland Avenue, Wembley, Middlesex, HA0 2EN |
| DELAY, Thomas Auguste Read RESIGNED | Director | 26 Mar 2003 | 31 Mar 2024 | England | April 1959 | 14 Gerard Road, Barnes, London, SW13 9RG |
| DRAKESMITH, Nicholas Timon RESIGNED | Director | 20 Jul 2020 | 25 Apr 2024 | England | May 1965 | Level 5, Arbor, 255 Blackfriars Road, London, SE1 9AX, England |
| DURKIN, Claire RESIGNED | Director | 26 Oct 2004 | 14 Oct 2005 | | May 1956 | 87 Briarwood Road, London, SW4 9PJ |
| EDMONDS, John Walter RESIGNED | Director | 26 Mar 2003 | 27 Sep 2013 | England | January 1944 | 50 Graham Road, Mitcham, Surrey, CR4 2HA |
| HALL, Gina Verissimo RESIGNED | Director | 04 Nov 2011 | 01 Nov 2022 | United States | August 1961 | 4th Floor, Dorset House, 27-45 Stamford Street, London, SE1 9NT, England |
| IMRIE, Colin RESIGNED | Director | 12 May 2009 | 08 Jun 2010 | United Kingdom | November 1957 | C/O 2nd Floor Meridian Court, 5 Cadogan Street, Glasgow, G2 6AT |
| INNES, Gordon David RESIGNED | Director | 20 May 2010 | 15 Jun 2011 | United Kingdom | February 1971 | 6th Floor 5, New Street Square, London, EC4A 3BF |
| JEFFERISS, Paul Howard RESIGNED | Director | 26 Mar 2003 | 14 Aug 2020 | England | October 1955 | Lyndhurst, 61 Mill Street Gamlingay, Sandy, Bedfordshire, SG19 3JS |
| KEDDIE, Alistair William Carnegie RESIGNED | Director | 26 Mar 2003 | 26 Oct 2004 | Scotland | January 1943 | Pitully, Dull, Aberfeldy, Perthshire, PH15 2JQ |
| KING, Julia Elizabeth, Professor Dame RESIGNED | Director | 16 Jul 2018 | 14 Aug 2020 | England | July 1954 | 4th Floor, Dorset House, 27-45 Stamford Street, London, SE1 9NT |
| MAITLAND HUME, James William Eykyn RESIGNED | Director | 08 Jun 2010 | 01 Jul 2011 | United Kingdom | March 1971 | 6th Floor 5, New Street Square, London, EC4A 3BF |
| MALONE, Wilson RESIGNED | Director | 30 Nov 2004 | 14 Nov 2006 | Scotland | June 1955 | 5 John Street, Largs, Ayrshire, KA30 8DT |
| MCALLISTER, Ian Gerald, Sir RESIGNED | Director | 26 Mar 2003 | 22 Sep 2011 | England | August 1943 | Trevarno House, West Hanningfield, Chelmsford, Essex, CM2 8XG |
| MORGAN, Jane Elizabeth RESIGNED | Director | 14 Nov 2006 | 12 May 2009 | Scotland | January 1953 | 16 Kelvinside Gardens, Glasgow, Lanarkshire, G20 6BB |
| MOTTERSHEAD, Christopher John RESIGNED | Director | 26 Mar 2003 | 01 Feb 2020 | United Kingdom | July 1955 | 1 Bolton Gardens, Teddington, TW11 9AX |
| NAYSMITH, Robin Shand RESIGNED | Director | 26 Mar 2003 | 30 Nov 2004 | Scotland | May 1957 | 14 5 Powderhall Road, Edinburgh, Midlothian, EH7 4GB |
| O'DWYER, Marie Julia RESIGNED | Director | 22 Apr 2024 | 23 Jul 2025 | England | May 1980 | Level 5, Arbor, 255 Blackfriars Road, London, SE1 9AX, England |
| REA, Michael Anthony RESIGNED | Director | 12 Jun 2008 | 23 Jul 2025 | United Kingdom | June 1968 | Level 5, Arbor, 255 Blackfriars Road, London, SE1 9AX, England |
| SMITH, James Matheson RESIGNED | Director | 17 Feb 2011 | 12 Jul 2018 | United Kingdom | April 1951 | 4th Floor, Dorset House, 27-45 Stamford Street, London, SE1 9NT, England |
| STARK, Christopher Alan RESIGNED | Director | 29 Apr 2024 | 31 Jul 2024 | Scotland | August 1978 | Level 5, Arbor, 255 Blackfriars Road, London, SE1 9AX, England |
| STEPHENSON, Ian Frederick RESIGNED | Director | 26 Mar 2003 | 27 Sep 2012 | England | April 1948 | Lindum, 30 Beech Drive, Kingswood, Surrey, KT20 6PS |
| WALLER, Peter Graham RESIGNED | Director | 14 Oct 2005 | 28 Mar 2008 | | January 1954 | 22 Grove Park, Wanstead, London, E11 2DL |
| CARBON TRUST INVESTMENTS LIMITED RESIGNED | Director | 17 Aug 2009 | 20 May 2010 | | | Flat 3, 3 Crewdson Road, London, SW90LH |
| NQH LIMITED RESIGNED | Nominee Director | 28 Jan 2003 | 26 Mar 2003 | | | Narrow Quay House, Narrow Quay, Bristol, BS1 4AH |