Uber has faced regulatory obstacles in a number of European cities as well as legal challenges from taxi companies hoping to keep new competition out. Taxi drivers across Europe caused chaos in June by protesting against the service.
Uber last week said that it was experiencing "huge demand" for its services in German cities where it is not currently operating.
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Founded in 2009 and valued at $18.2 billion based on its latest funding round in June, Uber Technologies Inc describes itself as a marketplace that puts people in contact with each other, not a transportation service.
Drivers have to be over a certain age, have a valid driving license, and undergo background checks before they can pick up passengers.
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