The Year End London Swiss Teams for the Grattan Endicott Bowl.
This event was sponsored by Harper & Queens in the 1970s and early 1980s
Last Updated 4th March 2024
| Year | Winners |
| 1973 | Geoffrey Breskal, David Edwin, Joe Amsbury, Irving Rose, Jonathan Cansino, Jeremy Flint |
| 1974 | Not Known |
| 1975 | Patrick Jourdain, Gerald Haase, Michael Rosenberg, Barnet Shenkin |
| 1976 | Andrew Thompson, Lawrence Young, John Reardon, Joe Amsbury |
| 1977 | David Greenwood, Richard Sampson, Michael Rosenberg, Vivian Martin |
| 1978 | No event |
| 1979 | Not Known |
| 1980 | Richard Fleet, Steve Lodge, Tony Forrester, Tony Sowter |
| 1981 | No event |
| 1982 | Tony Clark, Steve Burton, Andrew Thompson, David Carlisle |
| 1983 | Not Known |
| 1984 | Not Known |
| 1985 | Jeremy Dhondy, Jerry Cope, Patrick Shields, Paul Denning |
| 1986 | Julian Pottage, John Pottage, Pam Pottage, Raymond Brock |
| 1987 | Jeremy Dhondy, Jerry Cope, Phil Souter, Ian Pagan |
| 1988 | Cameron Small, Vernon Gaskell, Al Woo, Tim Dean |
| 1989 | Dick Shek, Nicola Landau, Alan Mayo, Geoff Hiller |
| 1990 | Colin Simpson, Munir Attah-Ullah, K Shoaib, Richard Sampson, Jack Newman |
| 1991 | Nissan Rand, J Lessells, Mordecai Kenigsborg, Peter Czerniewski, Barry Rigal |
| 1992 | Jeremy Dhondy, Ian Pagan, Sally Dunsby (Anoyrkatis), Heather Dhondy |
| 1993 | Ian Handley, Michele Handley, Norman Selway, Kay Preddy, Brian Callaghan, Bronia Gmach |
| 1994 | Catherine Draper, Ian Draper, David Moir, Eddie Lucioni |
| 1995 | Ian Panto, Catherine Fishpool, Nick Sandqvist, Malcolm Harris (picture) |
| 1996 | Barnet Shenkin, Maggie Shenkin, Victor Silverstone, Gerald Haase |
| 1997 | Neil Rosen, Ian Draper, Catherine Draper, Anne Rosen |
| 1998 | Glyn Liggins, Sarah Waddington, Brian Callaghan, David Burn (picture) |
| 1999 | Jeremy Dhondy, Ian Pagan, Harry Anoyrkatis, David Bakhshi |
| 2000 | Neil Rosen, Ian Draper, Catherine Draper, Anne Rosen |
| 2001 | Neil Rosen, Ian Draper, Catherine Draper, Anne Rosen |
| 2002 | Frances Hinden, Jeffrey Allerton, Cameron Small, Vernon Gaskell |
| 2003 | Waseem Naqvi, Philip Levy, Ignac Fogelman, Victor Silverstone |
| 2004 | Bob Hair, Phil King, Paul Spencer, Ian Moss (picture) |
| 2005 | Alan Powys, Mark Cast, John Williamson, Malcolm Grimston |
| 2006 | David Burn, Janet de Botton, Nick Sandqvist, Artur Malinowski (picture) |
| 2007 | Paul Gibbons, Oliver Segal, Cameron Small, Jon Cooke (picture) |
| 2008 | Nick Irens, Nick Boss, Tony Forrester, David Bakhshi (picture) |
| 2009 | Jonathan Davis, Gunnar Hallberg, Graham Osborne, Paul Hackett |
| 2010 | David Kendrick, Roger Gibbons, Nadia Stelmashenko, Victor Milman |
| 2011 | Kitty Teltscher, Steve Eginton. Colin Simpson, Willie Coyle |
| 2012 | Nick Sandqvist, Janet de Botton, Artur Malinowski, Thor-Erik Hoftaniska |
| 2013 | Jeffrey Allerton, Peter Lee, Graham Osborne, Frances Hinden (picture) |
| 2014 | Susanna Gross, Frank To, Sally Brock & Barry Myers |
| 2015 | Simon Gllis, Erik Saelensminde, Jon Cooke & Paul Lamford (picture) |
| 2016 | Neil Rosen, Anne Rosen, Jeremy Willans & Ian Draper (picture) |
| 2017 | Martin Seligman, Liam Sanderson, David Bakhshi, Heather Bakhshi (picture) |
| 2018 | Tom Townsend, Thor Erik Hoftaniska, Janet De Botton, Artur Malinowski |
| 2019 | David Gold, Andrew Black, Andrew McIntosh, Phil King |
| 2020 | Graham Sadie, Patrick Shields, Paul Denning, Richard Chamberlain |
| 2021 | Davies Guttman, Heinrich Berger, Michael Strafner, Simon Weinberger |
| 2022 | Paul Fegarty, Catherine Curtis, Richard Fedrick, Andrew Southwell |
| 2023 | Mike Bell & Sarah Bell and Stefano Tommasini & Sebastion Atisen (picture) |