Real Madrid hold the record for the most overall titles (21) and A.C. Milan with most UEFA Super Cup wins (5), a record shared with Barcelona. The Madrilenian club have record twelve were achieved in the UEFA Champions League and its predecessor. Barcelona have a record four titles in the UEFA Cup Winners' Cup while Sevilla have a record of five UEFA Cup and Europa League titles. Finally, Hamburg, Schalke 04, Stuttgart and Villarreal are the record holders by titles won in the UEFA Intertoto Cup (2 each one).
To date, only five clubs have won all three main UEFA club competitions at different points in their history, the "European Treble" of European Cup/UEFA Champions League, European/UEFA Cup Winners' Cup, and UEFA Cup/UEFA Europa League.
Although the UEFA Cup Winners' Cup no longer exists, there are 27 teams that have won it in the past who could still add wins in the other two competitions to achieve this UEFA treble, with nine of those teams just one trophy away from the feat.
Note: per criteria for achieving European Treble, shows first win only for any club with multiple wins of same competition.
Juventus has received, in recognition of being the first side in European football history to win all three major UEFA club competitions and the only one to reach it with the same coach, The UEFA Plaque from the Confederation in 1988.
Only once have three different clubs from the same country, Italy in 1989–90, won all three main UEFA club competitions in the same season, a feat that cannot be repeated since the UEFA Cup Winners' Cup no longer exists: