Ranking main European club competitions' winning club sides by winning percentage
This is a ranking of all club which have won one of the three main European competitions, past or present.[4]
Bayern Munich are the only team to finish a continental competition with a 100% winning record. They di this in 2020.
Top 15 club sides
Qualifying and preliminary round matches do not count in this table. This is the same for play-off matches; results of penalty shoot-outs are considered the score which preceded them (including extra time).
Table key
Highest ranked European Cup / UEFA Champions League winner
Highest ranked European / UEFA Cup Winners' Cup winner
Highest ranked UEFA Cup / UEFA Europa League winner
Highest ranked UEFA Europa Conference League winner
Although the Cup Winners' Cup does not exist anymore, 27 clubs who won it could still add wins in the other two competitions to achieve this UEFA treble. Ten of those teams only need one trophy to manage this. This includes Barcelona and Milan who have both won the Champions League and the Cup Winners' Cup titles. They only need one Europa League trophy to do the the UEFA treble.[8][9] Other clubs who need the Europa League title to do the treble are Hamburg, Borussia Dortmund and Manchester City. They all won the European Cup and the Cup Winners' Cup once each. The five other clubs need to win the Champions League: Atlético Madrid, Tottenham Hotspur, Anderlecht, Valencia and Parma.
The UEFA Europa Conference League started in the 2021–22 season. This means the 32 former winners of the Cup Winners' Cup can also win that competition. Any other existing clubs can also win a modern UEFA treble (if they win only the Champions League, Europa League and Europa Conference League titles) in the future.