Sonova Holding AG engages in the development and production of hearing care solutions. It operates through the Hearing Instruments and Cochlear Implants business segments. The Hearing Instruments segment includes the activities related to the design, development, production, distribution, and servicing of hearing instruments and related products. The Cochlear Implants segment involves the activities relevant to the design, development, production, distribution, and servicing of hearing implants and related products. The firm offers its products under the brands Phonak, Unitron, Hansaton, Connect Hearing, Boots Hearingcare, AudioNova, Geers, and Advanced Bionics. The company was founded in 1947 and is headquartered in Staefa, Switzerland.