| BENNETT, Stewart ACTIVE | LLP Designated Member | 02 Aug 2019 | | England | March 1971 | Cannon Place, 78 Cannon Street, London, EC4N 6AG, England |
| STONE, Peter William ACTIVE | LLP Designated Member | 11 Apr 2022 | | United Kingdom | June 1965 | Cannon Place, 78 Cannon Street, London, EC4N 6AG, England |
| ELLIOTT, Joanne Lesley ACTIVE | LLP Member | 01 Aug 2005 | | United Kingdom | February 1962 | Cannon Place, 78 Cannon Street, London, EC4N 6AG, England |
| PHAYRE-MUDGE, Marcus Andrew ACTIVE | LLP Member | 01 Aug 2005 | | United Kingdom | April 1968 | Cannon Place, 78 Cannon Street, London, EC4N 6AG, England |
COLUMBIA THREADNEEDLE CAPITAL (UK) LIMITED ACTIVERegistration number 03487043 | LLP Member | 10 Jan 2005 | | | | Cannon Place, 78 Cannon Street, London, EC4N 6AG, England |
| CHARLES, Jeremy Douglas RESIGNED | LLP Designated Member | 01 Nov 2006 | 31 May 2012 | England | December 1955 | 51, Berkeley Square, London, W1J 5BB |
| GREENLEES, Loudon Ian RESIGNED | LLP Designated Member | 10 Jan 2005 | 30 Apr 2011 | United Kingdom | October 1951 | 51, Berkeley Square, London, W1J 5BB |
| HAMPDEN-ACTON, Toby Henry John De Carteret RESIGNED | LLP Designated Member | 01 Jul 2005 | 31 Dec 2013 | England | February 1959 | 51, Berkeley Square, London, W1J 5BB |
| HUGHES MORGAN, Jonathan Michael Vernon RESIGNED | LLP Designated Member | 01 Jul 2005 | 31 Dec 2006 | United Kingdom | February 1962 | Millwater, Mill Lane, Ripley, Surrey, GU23 6QT |
| LOGAN, David RESIGNED | LLP Designated Member | 12 Oct 2015 | 02 Aug 2019 | England | May 1969 | Exchange House, Primrose Street, London, EC2A 2NY |
| MOIR, Hugh Cameron RESIGNED | LLP Designated Member | 31 Jan 2014 | 08 Nov 2021 | United Kingdom | June 1957 | Exchange House, Primrose Street, London, EC2A 2NY |
| OLDING, Andrew William Annan RESIGNED | LLP Designated Member | 01 Jan 2013 | 21 Aug 2015 | United Kingdom | October 1975 | Exchange House, Primrose Street, London, EC2A 2NY, Uk |
| PORTER, Charles Benedict RESIGNED | LLP Designated Member | 01 Jul 2005 | 30 Sep 2012 | United Kingdom | September 1960 | 51, Berkeley Square, London, W1J 5BB |
| WARREN, Michael Sturrock RESIGNED | LLP Designated Member | 01 Sep 2007 | 30 Sep 2012 | United Kingdom | July 1961 | 51, Berkeley Square, London, W1J 5BB |
| AMSELLEM, Joel RESIGNED | LLP Member | 01 Jun 2009 | 30 Jun 2010 | | October 1965 | 51, Berkeley Square, London, W1J 5BB |
| BARNES, Nicholas Matthew RESIGNED | LLP Member | 01 Aug 2005 | 31 Dec 2006 | England | December 1974 | 4 Kensington Close, St. Albans, AL1 1JT |
| BARRETT, Stephen Benedict RESIGNED | LLP Member | 01 Aug 2005 | 31 Dec 2006 | England | July 1975 | 52, St. Marys Grove, Chiswick, London, W4 3LW |
| BIRKETT, Roderic Aidan RESIGNED | LLP Member | 01 Jul 2005 | 30 Sep 2006 | England | April 1961 | Beechlands, Rotherfield Road, Henley On Thames, RG9 1NR |
| BLACKLOCK, Katherine Victoria RESIGNED | LLP Member | 01 Aug 2005 | 31 Dec 2006 | United Kingdom | November 1973 | 112 Streathbourne Road, London, SW17 8QY |
| BULKAI, Kristof RESIGNED | LLP Member | 01 Sep 2008 | 31 Jul 2015 | | February 1978 | 51, Berkeley Square, London, W1J 5BB |
| CHAUDHRY, Gulistan Ahmad RESIGNED | LLP Member | 01 Jan 2008 | 30 Sep 2012 | United Kingdom | March 1973 | 51, Berkeley Square, London, W1J 5BB |
| COBBE, Henry Frederick Hugh RESIGNED | LLP Member | 01 Aug 2005 | 31 Dec 2006 | United Kingdom | December 1975 | The Flat Hatchlands, East Clandon, Guildford, GU4 7RT |
| CURRINGTON, Christopher Andrew RESIGNED | LLP Member | 01 Apr 2007 | 27 Jul 2012 | | September 1957 | 51, Berkeley Square, London, W1J 5BB |
| DREW, Stephen RESIGNED | LLP Member | 01 Oct 2009 | 30 Nov 2012 | England | August 1965 | 51, Berkeley Square, London, W1J 5BB |
| FAWCETT, Mark Alexander RESIGNED | LLP Member | 01 Apr 2007 | 01 Dec 2008 | | October 1963 | 57 Chiddingstone Street, London, SW6 3TQ |
| FERRARIO, John Gregory Patrick RESIGNED | LLP Member | 01 Jul 2005 | 30 Oct 2009 | United Kingdom | March 1964 | 68, Perrers Road, London, W6 0EZ |
| FLANAGAN, Eoghan Francis RESIGNED | LLP Member | 01 Aug 2005 | 31 Dec 2006 | United Kingdom | October 1976 | Flat 2, 42 Compton Road, London, N1 2PB |
| GEIKIE-COBB, Peter Tyrel RESIGNED | LLP Member | 01 Jul 2005 | 01 Jul 2014 | England | July 1964 | Kingsettle Farmhouse, Semley, Shaftesbury, SP7 9HJ |
| GREENLEES, Loudon Ian RESIGNED | LLP Member | 30 Apr 2011 | 31 Dec 2013 | United Kingdom | October 1951 | 51, Berkeley Square, London, W1J 5BB, England |
| JONES, Glyn Parry RESIGNED | LLP Member | 01 Oct 2005 | 24 May 2006 | England | March 1952 | Watlynge, Bitchet Green, Sevenoaks, TN15 0ND |
| KINSEY-QUICK, Kenneth Armand RESIGNED | LLP Member | 01 Aug 2005 | 30 Sep 2012 | | July 1966 | 51, Berkeley Square, London, W1J 5BB |
| KUIPER, Alexander Eric RESIGNED | LLP Member | 01 Jan 2006 | 30 Jun 2013 | | July 1964 | 51, Berkeley Square, London, W1J 5BB |
| LAHAUT, Ray RESIGNED | LLP Member | 03 Oct 2011 | 31 May 2014 | England | May 1974 | 51, Berkeley Square, London, W1J 5BB, United Kingdom |
| LANDMAN, Rory Buchanan RESIGNED | LLP Member | 01 Jul 2005 | 31 Dec 2006 | United Kingdom | January 1961 | Lodge Farm, Chapel Lane, Little Hadham, SG11 2AD |
| LLEWELLYN, Michael Vincent Huw RESIGNED | LLP Member | 01 Jul 2005 | 30 Sep 2008 | England | March 1955 | The Mill House Merrieweathers, East Street, Mayfield, TN20 6RJ |
| MABBUTT, Michael Norman RESIGNED | LLP Member | 01 Jul 2005 | 31 Dec 2012 | England | September 1964 | 51, Berkeley Square, London, W1J 5BB |
| MATHIAS, Mark Anthony RESIGNED | LLP Member | 01 Jun 2009 | 03 Oct 2010 | England | September 1963 | 51, Berkeley Square, London, W1J 5BB |
| MELLERSH, James David RESIGNED | LLP Member | 01 Aug 2005 | 31 Dec 2006 | United Kingdom | December 1970 | Flat 1, 108 Landsdowne Road, London, W11 2LS |
| MORENO, Juan Carlos RESIGNED | LLP Member | 01 Jan 2010 | 11 Oct 2010 | Uk | July 1971 | 51, Berkeley Square, London, W1J 5BB |
| NOORANI, Mehrdad RESIGNED | LLP Member | 01 Apr 2007 | 02 May 2012 | | March 1968 | 51, Berkeley Square, London, W1J 5BB |
| SELL, Michael David RESIGNED | LLP Member | 01 Aug 2005 | 31 Dec 2006 | United Kingdom | August 1973 | 24 Roy Square, Narrow Street, London, E14 8BY |
| TALLAKSEN, Bernt RESIGNED | LLP Member | 01 Jul 2005 | 31 Dec 2017 | England | December 1967 | 51, Berkeley Square, London, W1J 5BB |
| TAYLOR, Martin Edward RESIGNED | LLP Member | 01 Jul 2005 | 31 Dec 2006 | United Kingdom | February 1969 | SE3 |
| THOMAS, Howard Edgar RESIGNED | LLP Member | 01 Aug 2005 | 31 Dec 2006 | | October 1969 | 47a Birling Road, Tunbridge Wells, TN2 5LY |
| THOMSON, Jeffery Thorwald RESIGNED | LLP Member | 01 Jan 2010 | 31 Jul 2010 | Uk | April 1969 | 51, Berkeley Square, London, W1J 5BB |
| THURSBY, Paul Lee RESIGNED | LLP Member | 01 Jul 2005 | 01 Jul 2014 | | November 1954 | 51, Berkeley Square, London, W1J 5BB |
| TORAASEN, Trygve RESIGNED | LLP Member | 01 Jan 2010 | 11 Oct 2010 | United Kingdom | June 1963 | 51, Berkeley Square, London, W1J 5BB |
| TURNER, Christopher Montagu RESIGNED | LLP Member | 01 Aug 2005 | 01 Jul 2014 | United Kingdom | June 1946 | 51, Berkeley Square, London, W1J 5BB |
| VAN DEN BERGH, James Andrew Gerald RESIGNED | LLP Member | 01 Jan 2010 | 31 Jul 2010 | United Kingdom | February 1978 | 51, Berkeley Square, London, W1J 5BB |
| WILKINSON, James RESIGNED | LLP Member | 01 Aug 2005 | 30 Nov 2012 | United Kingdom | April 1973 | 51, Berkeley Square, London, W1J 5BB |
| ZUCKER, Benjamin Anthony RESIGNED | LLP Member | 01 Jul 2005 | 30 Jun 2010 | United Kingdom | December 1948 | 51, Berkeley Square, London, W1J 5BB |