The Nationalliga A is the highest league level of American football in Switzerland and was formed in 1982.

The first Swiss Bowl championship was played in 1986.

The champion of the B division has the opportunity to earn promotion to the top division through a relegation/promotion match.

There is also a National League C. [1] The league season runs from late March to the end of June, followed by the play-offs and the Swiss Bowl which is held in July.

The winners of the Swiss Bowl qualifies for the European Football League.