| MILLER, Martin Joseph ACTIVE | Secretary | 25 Feb 2006 | | | | 33, Churchbank, 1 Teresa Mews, London, E17 3BE, United Kingdom |
| ASHBY, Robin Arthur John, Councillor ACTIVE | Director | 17 Feb 2004 | | United Kingdom | June 1947 | 48 Millbank, London, SW1P 4RL |
| KREKEL, Christian, Dr ACTIVE | Director | 19 May 2024 | | United Kingdom | July 1985 | 48 Millbank, London, SW1P 4RL |
| ORR, Mary ACTIVE | Director | 15 Jul 2004 | | United Kingdom | January 1939 | 48 Millbank, London, SW1P 4RL |
| PALMER, David Gordon ACTIVE | Director | 19 May 2026 | | United Kingdom | May 1953 | Flat 3, 60 Millbank, Westminster, London, SW1P 4RW, United Kingdom |
| REICKERT, Susan Willis ACTIVE | Director | 18 Feb 2025 | | United States | March 1946 | 48, Millbank, London, SW1P 4RL, United Kingdom |
| SQUIRE, Robin Clifford ACTIVE | Director | 16 Oct 2012 | | United Kingdom | July 1944 | 48 Millbank, London, SW1P 4RL |
| WOOD, Patricia ACTIVE | Director | 16 Oct 2012 | | United Kingdom | September 1959 | 48 Millbank, London, SW1P 4RL |
| COLEMAN, Anne RESIGNED | Secretary | | 25 Feb 2006 | | | 57 West End Lane, Pinner, Middlesex, HA5 1AH |
| AUSTIN, Sarah RESIGNED | Director | 19 Nov 1997 | 13 Feb 2010 | | December 1968 | Flat 7 60 Millbank, London, SW1P 4RL |
| BANKS, Peter Alan RESIGNED | Director | 06 Sep 1989 | 21 Sep 1997 | | March 1930 | Flat 7 48 Millbank, London, SW1P 4RL |
| BANKS, Peter Alan RESIGNED | Director | | 20 Sep 1993 | | March 1930 | Flat 7 48 Millbank, London, SW1P 4RL |
| BENOCCI ADAM, Orietta RESIGNED | Director | 19 Jul 2016 | 17 Jul 2018 | United Kingdom | July 1954 | Flat 7, 50 Millbank, London, SW1P 4RL, United Kingdom |
| BRAILSFORD, Simon, Wg Cdr RESIGNED | Director | 15 Jul 2004 | 14 Sep 2005 | | April 1965 | 34 Mallard Avenue, Lyneham, Chippenham, Wiltshire, SN15 4QD |
| BUSHELL, Anthony Harold RESIGNED | Director | | 21 Oct 1991 | | May 1935 | 50 Millbank, London, SW1P 4RL |
| CARMONT, John Mclaren RESIGNED | Director | 18 Nov 1998 | 30 Jun 2001 | United Kingdom | July 1938 | The Oaks, 1 Top Park, Gerrards Cross, Buckinghamshire, SL9 7PP |
| CARPENTER, Andrew William RESIGNED | Director | 07 Jul 1999 | 02 May 2001 | | November 1968 | Flat 9 60 Millbank, London, SW1P 4RW |
| CATSAROS, Ilias RESIGNED | Director | 03 Feb 2009 | 17 Jul 2018 | United States | December 1978 | Flat 6, 48 Millbank, London, SW1P 4RL, United Kingdom |
| CLEARY, Anthony Shaun RESIGNED | Director | 25 Jan 1995 | 01 Nov 1998 | | October 1965 | Flat 2 48 Millbank, Westminster, London, SW1P 4RL |
| CLIFTON, Richard Vincent RESIGNED | Director | 02 Feb 1994 | 25 Jan 1995 | | December 1946 | Flat 5 63 Millbank, London, SW1P 4RW |
| COLLINS, Susan Mary RESIGNED | Director | | 01 Dec 1993 | | March 1943 | 63 Millbank, London, SW1P 4RW |
| CROSBIE, Andrew Moncrieff, Reverend RESIGNED | Director | 23 Feb 2005 | 04 Jan 2013 | United Kingdom | September 1962 | 151, Ashley Gardens, Westminster, London, SW1P 1HW |
| CRYER, Chi Fun RESIGNED | Director | 07 Jul 1999 | 15 Feb 2000 | | October 1952 | Flat 9 50 Millbank, London, SW1P 4RL |
| DALE, Suzanne RESIGNED | Director | 25 Jan 1995 | 10 Mar 1996 | | October 1971 | Flat 5, 53 Millbank, London, SW1P 4RL |
| DAUBENEY, Philip Edward Giles RESIGNED | Director | 10 Sep 2001 | 14 Sep 2005 | England | March 1938 | Durmast House, Burley, Hampshire, BH24 4AT |
| GARLAND, Mariorie Stella RESIGNED | Director | 25 Jan 1995 | 21 Jun 2000 | | July 1936 | Flat 4 60 Millbank, London, SW1P 4RL |
| GOODMAN CHARMAN, Dawn Winifred Mary RESIGNED | Director | 18 Nov 1992 | 12 Jul 1994 | | May 1956 | Flat 2 48 Millbank, West Minster, London, SW1P 4RL |
| HOUGH, Caroline Francis, Dr RESIGNED | Director | 19 Nov 1997 | 16 Apr 2002 | | July 1952 | Flat 4 57 Millbank, London, SW1P 4RL |
| HUGHES, Iris RESIGNED | Director | 13 Feb 2001 | 13 May 2006 | | February 1933 | Flat 1 63 Millbank, London, SW1P 4RW |
| HUGHES, Peter RESIGNED | Director | 13 Feb 2001 | 15 Jul 2014 | | April 1932 | Flat 1 63 Millbank, London, SW1P 4RW |
| KALUZYNSKI, Richard, Mr. RESIGNED | Director | 18 Sep 2000 | 13 Feb 2001 | | July 1953 | 50 Millbank, London, SW1P 4RL |
| LETMAN, Paul St John RESIGNED | Director | 07 Jul 1999 | 20 Aug 2002 | England | May 1963 | 13 Rosenau Road, London, SW11 4QN |
| LETMAN, Paul St John RESIGNED | Director | | 10 Sep 1996 | | May 1963 | Flat 10 53 Millbank, London, SW1P 4RL |
| LITTLE, Roger Jonathan RESIGNED | Director | 18 Nov 1992 | 12 Jul 1994 | | February 1948 | 18 Broadoaks Crescent, West Byfleet, Weybridge, Surrey, KT14 6RP |
| LONGMIRE, Rupert RESIGNED | Director | 25 Jan 1995 | 01 Sep 1998 | | March 1964 | 8/50 Millbank, London, SW1P 4PL |
| MANNING, Mary Elizabeth RESIGNED | Director | 10 Sep 2001 | 01 Mar 2006 | | November 1947 | Flat 2 53 Millbank, London, SW1P 4RL |
| MCFARLANE, Gloria RESIGNED | Director | | 22 Aug 1994 | | December 1952 | Flat 7 56 Millbank, London, SW1P 4RL |
| MIR, Zubair RESIGNED | Director | 08 Dec 1999 | 08 Jun 2000 | | December 1970 | Flat Four 53 Millbank, London, SW1P 4RL |
| ORR, William George RESIGNED | Director | 14 Sep 2005 | 01 Mar 2006 | England | June 1935 | Flat 2, 48 Millbank, London, SW1V 4RV |
| PALMER, David Gordon RESIGNED | Director | 19 Feb 2002 | 25 Jan 2006 | United Kingdom | May 1953 | Flat 3 60 Millbank, London, SW1P 4RL |
| PALMER, David Gordon RESIGNED | Director | 28 Feb 1996 | 27 Oct 1999 | United Kingdom | May 1953 | Flat 3 60 Millbank, London, SW1P 4RL |
| PENROSE, Angela Mary RESIGNED | Director | 08 Dec 1999 | 27 Feb 2005 | United Kingdom | August 1947 | Penquite House, Liskeard, Cornwall, PL14 5AQ |
| PENROSE, Perran RESIGNED | Director | 08 Dec 1999 | 27 Feb 2005 | Great Britain | July 1947 | Penquite House, Liskeard, Cornwall, PL14 5AQ |
| REES, Richard Timothy RESIGNED | Director | | 22 Aug 1994 | | July 1952 | Flat 7 56 Millbank, London, SW1P 4RL |
| ROWELL, Mildred Mary RESIGNED | Director | 18 Nov 1991 | 03 Nov 2005 | | March 1937 | Stocksfield, Mayfield, East Sussex, TN20 6BW |
| SARDANA, Om Prakash RESIGNED | Director | | 22 May 1998 | | November 1927 | Flat 5 48 Millbank, London, SW1P 4RL |
| SHORT, Selina Ann RESIGNED | Director | 10 Sep 2001 | 17 Feb 2006 | England | February 1968 | Flat 9 60 Millbank, London, SW1P 4RW |
| SRODON, Paul Damian RESIGNED | Director | 17 Feb 2015 | 28 Jun 2023 | United Kingdom | November 1964 | 48 Millbank, London, SW1P 4RL |
| STAPLES, Arthur Graydon RESIGNED | Director | 13 May 2006 | 21 Jul 2015 | | August 1947 | 16 Oakwood Road, Chandlers Ford, Eastleigh, Hampshire, SO53 1LU |
| TANDON, Pravin RESIGNED | Director | 21 Jul 2015 | 17 Jul 2018 | United Kingdom | December 1957 | 31, Danywern Drive, Winnersh, Wokingham, Berkshire, RG41 5NS, United Kingdom |
| TANNAHILL, Margery Reay RESIGNED | Director | 25 Jan 1995 | 03 Mar 2006 | | December 1929 | Flat 7 56 Millbank, London, SW1P 4RL |
| TANNAHILL, Margery Reay RESIGNED | Director | | 01 Sep 1993 | | December 1929 | Flat 7 56 Millbank, London, SW1P 4RL |
| TERRY, Sylvia Marianne RESIGNED | Director | 05 Nov 2018 | 19 Feb 2025 | United Kingdom | January 1981 | 48 Millbank, London, SW1P 4RL |
| TSCHAWOW, Katherina RESIGNED | Director | 15 Nov 2010 | 24 May 2024 | United Kingdom | August 1974 | 48 Millbank, London, SW1P 4RL |
| USHER, Anthony Edmunds RESIGNED | Director | 25 Jan 1995 | 21 May 1996 | | November 1965 | Flat 6 50 Millbank, London, SW1P 4RL |