| BALLANTYNE, Keith Trevor ACTIVE | LLP Designated Member | 07 Mar 2006 | | England | January 1968 | 7 Coniston Gardens, Kingsbury, London, NW9 0BA |
| CREWS, Howard Lyndon ACTIVE | LLP Designated Member | 07 Mar 2006 | | United Kingdom | May 1968 | 1 Playhatch Cottages, Playhatch, RG4 9QX |
| GONDHALEKAR, Smita Aroon ACTIVE | LLP Designated Member | 07 Mar 2006 | | United Kingdom | October 1938 | 55, Downhills Way, London, N17 6AN, United Kingdom |
| HARGREAVES, Michael ACTIVE | LLP Designated Member | 07 Mar 2006 | | United Kingdom | February 1947 | Little Susacres, Brearton Lane, Brearton, Harrogate, North Yorkshire, HG3 3DE, United Kingdom |
| KEEN, Gerald Christopher ACTIVE | LLP Designated Member | 07 Mar 2006 | | United Kingdom | July 1963 | KT11 |
| LEE, Charles Mackenzie ACTIVE | LLP Designated Member | 07 Mar 2006 | | England | July 1948 | Ongar Hill Cottage, Magpie Lane Coleshill, Nr Amersham, HP7 0LU |
| MCIVER, Monika ACTIVE | LLP Designated Member | 07 Mar 2008 | | United Kingdom | October 1967 | 43, Vogan Close, Reigate, Surrey, RH2 8AT |
| MEAD, Stefan ACTIVE | LLP Designated Member | 07 Mar 2006 | | United Kingdom | December 1966 | 82a, Aslett Street, Wandsworth, London, SW18 2BQ |
| NEWISS, Julian Ralph Stewart ACTIVE | LLP Designated Member | 07 Mar 2006 | | England | May 1953 | Steanbridge House, Slad, Stroud, GL6 7QE |
| OUDIN, Eric Christian Daniel ACTIVE | LLP Designated Member | 07 Mar 2008 | | New Caledonia | July 1971 | La Cocoteraie 1, Bal 65, 85, Promenade Roger Laroque Anse Vata, 98 800 Noumea, New Caledonia |
| PERRY, Marcus Giles ACTIVE | LLP Designated Member | 31 Mar 2011 | | United Kingdom | February 1975 | 80, Ingelow Road, London, SW8 3PF, United Kingdom |
| PRANGNELL, Stephen ACTIVE | LLP Designated Member | 07 Mar 2006 | | New Zealand | November 1956 | 8, Beechwood Drive, Northwood, Christchurch 8051, New Zealand |
| SANDERS, Paul Gregory ACTIVE | LLP Designated Member | 07 Mar 2006 | | England | July 1956 | 22, Pendarves Road, Wimbledon, London, SW20 8TS |
| SCOTT, Keith ACTIVE | LLP Designated Member | 07 Mar 2006 | | England | May 1968 | Michaelmas Farm, Clarendon Road, Prestwood, Buckinghamshire, HP16 0PL |
| WARD, Geoffrey Colin Neville ACTIVE | LLP Designated Member | 07 Mar 2006 | | United Kingdom | February 1948 | 131 Bishopsteignton, Shoeburyness, Southend-On-Sea, SS3 8BQ |
| WILSON, Guy Ian Swinburn ACTIVE | LLP Designated Member | 07 Mar 2006 | | England | April 1972 | Culham House, High Street, Culham Nr Abingdon, Oxfordshire, OX14 4NA |
| YIANNAKIS, Anthony Constantine ACTIVE | LLP Designated Member | 07 Mar 2006 | | United Kingdom | May 1964 | The Grange, Eyhurst Close Kingswood, Tadworth, KT20 6NR |
| CATALYST CAPITAL LLP ACTIVE | LLP Designated Member | 07 Apr 2006 | | | | 18th, Floor, 33 Cavendish Square, London, W1G 0PW, United Kingdom |
| KASCH, Peter Carwile ACTIVE | LLP Member | 24 Oct 2014 | | United Kingdom | March 1949 | Oxford Chambers, Oxford Road, Guiseley, Leeds, LS20 9AT |
| KASCH, Peter Carwile RESIGNED | LLP Designated Member | 07 Mar 2006 | 24 Sep 2014 | United Kingdom | March 1949 | Filston Oast, Filston Lane, Shoreham, TN14 5JU |
| PERRY, Marcus Giles RESIGNED | LLP Designated Member | 07 Mar 2006 | 31 Mar 2011 | United Kingdom | February 1975 | 80 Ingelow Road, London, SW8 3PF |
| KASCH, Peter Carwile RESIGNED | LLP Member | 23 Oct 2014 | 23 Oct 2014 | United Kingdom | March 1949 | 33, Cavendish Square, London, W1G 0PW |