| LANDES, Howard Ralph ACTIVE | Secretary | 30 Sep 2019 | | | | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| KIRK, Philip Andrew ACTIVE | Director | 30 Sep 2019 | | England | May 1966 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| OSBORNE, Andrew Jon ACTIVE | Director | 30 Sep 2019 | | United Kingdom | November 1969 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| COLLINS, Derryl Lynn RESIGNED | Secretary | 05 Oct 1998 | 11 Nov 2002 | | | 18 Montagu Court, 27-29 Montagu Square, London, W1H 1RE |
| COLLINS, Derryl Lynn RESIGNED | Secretary | | 01 Jul 1994 | | | 79 Clifton Hill, St Johns Wood, London, NW8 0JN |
| COOK, Thomas Edward RESIGNED | Secretary | 11 Nov 2002 | 08 Aug 2003 | | | Kinross, 3 Manor Lane, Gerrards Cross, Buckinghamshire, SL9 9NH |
| GANNON, Frank Lawrence RESIGNED | Secretary | 01 Jul 1994 | 15 Jun 1997 | | | 73 Eaton Terrace, London, SW1W 8TH |
| GRAEBNER, Carol Ferne RESIGNED | Secretary | | 17 Sep 1993 | | | Park Mansions Flat 46-149 Knightsbridge, London, SW1X 7JN |
| GRIMSHAW, David RESIGNED | Secretary | 08 Aug 2003 | 30 Sep 2019 | | | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| HILL, Adrian Derek Glendon RESIGNED | Secretary | | 31 Jul 1996 | | | 4 Stradella Road, Halfmoon Lane, London, SE24 |
| PELZER, Robert Edward RESIGNED | Secretary | 31 Jul 1996 | 05 Oct 1998 | | | Flat 2 51 Cadogan Square, London, SW1X OHY |
| PEPIN, Jean-Francois Jacques Basile RESIGNED | Secretary | 13 May 2013 | 14 Aug 2014 | | | Portman House, 2 Portman Street, London, W1H 6DU |
| STIRRUP, Edith Jeannie RESIGNED | Secretary | 08 Aug 2003 | 30 May 2012 | | | Portman House, 2 Portman Street, London, W1H 6DU |
| WARD, Elaine June RESIGNED | Secretary | 08 Aug 2003 | 13 Oct 2006 | | | 18 Balmoral Place, Aberdeen, Aberdeenshire, AB10 6HR |
| ANDERSON, Robert Hendry RESIGNED | Director | 07 Sep 2009 | 13 May 2013 | Scotland | October 1956 | Portman House, 2 Portman Street, London, W1H 6DU |
| CHENIER, David Eric RESIGNED | Director | 19 Apr 2012 | 01 Aug 2015 | Scotland | January 1962 | Portman House, 2 Portman Street, London, W1H 6DU |
| COLLINS, Derryl Lynn RESIGNED | Director | 05 Oct 1998 | 11 Nov 2002 | | October 1947 | 18 Montagu Court, 27-29 Montagu Square, London, W1H 1RE |
| COLLINS, Derryl Lynn RESIGNED | Director | | 01 Jul 1994 | | October 1947 | 79 Clifton Hill, St Johns Wood, London, NW8 0JN |
| COOK, Thomas Edward RESIGNED | Director | 11 Nov 2002 | 14 Aug 2003 | | March 1955 | Kinross, 3 Manor Lane, Gerrards Cross, Buckinghamshire, SL9 9NH |
| EDWARDS, Christopher James RESIGNED | Director | 02 Oct 1998 | 26 Oct 2000 | | November 1964 | 39 Blandford Road, London, W4 1DX |
| FISHER, Clare Catherine RESIGNED | Director | 26 Oct 2000 | 17 Dec 2001 | | August 1969 | 76 Bradmore Park Road, London, W6 0DT |
| FREDIN, Todd William RESIGNED | Director | 14 Aug 2003 | 31 Jan 2010 | | May 1954 | Thornton, 48 Ince Road Burwood Park, Walton On Thames, Surrey, KT12 5BJ |
| GANNON, Frank Lawrence RESIGNED | Director | 01 Jul 1994 | 15 Jun 1997 | | August 1938 | 73 Eaton Terrace, London, SW1W 8TH |
| GAUTREY, Christopher RESIGNED | Director | 21 Jan 2004 | 07 Sep 2009 | England | December 1948 | 4 Packwood Mews, Humphris Street, Warwick, Warwickshire, CV34 5NG |
| GRIMSHAW, David RESIGNED | Director | | 23 Jan 1998 | United Kingdom | October 1951 | 68 Ashburnham Grove, Greenwich, London, SE10 8UJ |
| HALLIWELL, Andrew Roy RESIGNED | Director | 05 Aug 2005 | 05 Mar 2010 | | March 1957 | Portman House, 2 Portman Street, London, W1H 6DU |
| HALLIWELL, Andrew Roy RESIGNED | Director | 14 Jan 2004 | 22 Mar 2004 | | March 1957 | 14 Westfield Terrace, Aberdeen, Aberdeenshire, AB25 2RU |
| HASTINGS, Andrew David Richard RESIGNED | Director | 09 Oct 2009 | 15 Jun 2018 | Scotland | February 1961 | 20th Floor, 1 Angel Court, London, EC2R 7HJ, England |
| HILL, Adrian Derek Glendon RESIGNED | Director | | 31 Jul 1996 | England | May 1934 | 4 Stradella Road, Halfmoon Lane, London, SE24 |
| KENNEDY, Archibald Wood RESIGNED | Director | 22 Mar 2004 | 03 Apr 2009 | United Kingdom | June 1958 | The Garran, Crawton Bay, Stonehaven, Aberdeenshire, AB39 2TP |
| KING, Terri Gay RESIGNED | Director | 05 Jan 2017 | 30 Sep 2019 | United Kingdom | March 1961 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| MACKLON, Dominic Edward RESIGNED | Director | 01 Aug 2015 | 05 Jan 2017 | Scotland | April 1969 | Portman House, 2 Portman Street, London, W1H 6DU |
| MAXSON, Page Frank RESIGNED | Director | 14 Aug 2003 | 22 Nov 2004 | | December 1960 | 5 Northcote Hill, Aberdeen, AB15 7TW |
| MCMORRAN, James Deas RESIGNED | Director | 14 Aug 2003 | 31 Dec 2003 | | July 1957 | 5 Somers Crescent, London, W2 2PN |
| NYGAARD, Dagfinn RESIGNED | Director | 17 Dec 2001 | 14 Aug 2003 | | April 1955 | Westleigh, 32 Howards Thicket, Gerrards Cross, Buckinghamshire, SL9 7NX |
| PELZER, Robert Edward RESIGNED | Director | 31 Jul 1996 | 05 Oct 1998 | | October 1953 | Flat 2 51 Cadogan Square, London, SW1X OHY |
| RAMSHAW, Roger Stephen RESIGNED | Director | 14 Aug 2003 | 31 Dec 2003 | Scotland | February 1949 | Broomwood, Ballater Road, Aboyne, Aberdeenshire, AB34 5HY |
| SCOTT, Russell RESIGNED | Director | 25 Sep 2018 | 30 Sep 2019 | Scotland | September 1973 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| SIMPSON, Katherine Susan RESIGNED | Director | 15 Jun 2018 | 22 May 2019 | United Kingdom | October 1961 | 20th Floor, 1 Angel Court, London, EC2R 7HJ, England |
| SKJERVOY, Arild RESIGNED | Director | 14 Aug 2003 | 05 Aug 2005 | | November 1958 | 2 Macaulay Drive, Craigiebuckler, Aberdeen, AB15 8FL |
| STALKER, Ross Graham RESIGNED | Director | 31 Oct 2015 | 25 Sep 2018 | United Kingdom | October 1964 | 20th Floor, 1 Angel Court, London, EC2R 7HJ, England |
| STINSON, John Michael RESIGNED | Director | | 18 Mar 1993 | | August 1943 | 6 Prince Albert Road, London, NW1 7SR |
| WARD, John William RESIGNED | Director | 19 Jan 1998 | 17 Nov 1998 | | April 1954 | 108 Loudoun Road, London, NW8 0ND |
| WARWICK, Paul Cyril RESIGNED | Director | 03 Apr 2009 | 30 Apr 2012 | Scotland | April 1953 | Portman House, Portman House, 2 Portman Street, London, W1H 6DU, England |
| WOLFE, Patrick RESIGNED | Director | 22 May 2019 | 30 Sep 2019 | Scotland | February 1963 | Brettenham House, Lancaster Place, London, WC2E 7EN, England |
| WRIGHT, Michael Don RESIGNED | Director | 13 May 2013 | 29 Oct 2015 | Scotland | May 1964 | Portman House, 2 Portman Street, London, W1H 6DU |