Founded: 1839 as Patek, Czapek & Cie. and in 1851 as Patek Philippe & Cie. | Founding place: Geneva, Switzerland | Founded by: Antoni Patek and Adrien Philippe | Current headquarters: Plan-les-Ouates, Switzerland | Owned by: Privately held | Official name: Patek Philippe SA
Here you can read about the history of Patek Philippe