EHC Winterthur was founded in 1929 and remained as an amateur club in the Swiss Regio Leagues until earning promotion to the National League B for the first time in 1961, where Winterthur remained for two seasons before leaving.

In the 2009–10 season, EHC Winterthur won the Swiss amateur champion title, but due to lack of financial backing opted not to participate in the NLB.

EHC continued to play between the Regio leagues again earning claiming the Swiss amateur championship at the end of the 2014–15 season, defeating the like of EHC Wiki-Münsingen and HC Sion-Nendaz.

[1] Applying for promotion to the NLB, Winterthur gained its green card with increased financial power and solidified its position within the league through the 2015–16 season.

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