We, Sonova, are the leading manufacturer of innovative hearing care solutions. Founded in 1947, Sonova has grown to become th ... e leading manufacturer of innovative hearing care solutions. Our presence in more than 90 countries worldwide - with 3,330 stores in key markets (Europe, UK, USA, Canada, Brazil, Australia and New Zealand) and over 11,000 colleagues – puts us in the top 20 biggest global retail chains. Our Global Retail headquarter is located in Steinhausen, Switzerland. Sonova Retail Support Centre is located in Rotterdam. From this location we support our global network of stores on IT and operations. read more