The biennial competition is open to all quartets. Judging is based on their choice of programme, musical and technical ability, and entertainment value.
2019 - Aeris Brass, London (Ian Sankey, Martin Lee Thomson, Alistair Goodwin & Adam Crighton)
2017 - A Slide Too Far, Glasgow (Chris Mansfield, Richard Leonard, Dan Eddison & Josiah Walters)
2015 - Budapest Trombone Quartet, Budapest (Attila Sztán, Tibor Ujj, Márk Tóth & Barnabás Brindás)