You'd be fine. Everything here (products etc.) have to be in at least two languages. In a city like Zurich, you'd get along very well in English only. Also, the

You'd be fine. Everything here (products etc.) have to be in at least two languages. In a city like Zurich, you'd get along very well in English only. Also, there are many companies around that have English as their "company language" (for instance Google) . Btw. Google-Maps was largely developed by Zooglers (Google's Zurich office). They call it also "the real mountain-view".