The Sonova Group innovates hearing solutions from hearing aids to cochlear implants to wireless communications solutions. The company was founded in 1947 and is headquartered in Stäfa, Switzerland. It has several other offices in Navi Mumbai, Delhi and Bengaluru. It sells its products through its distribution network and independent distributors in Europe, the Americas, the Asia/Pacific, and Africa. The company was formerly known as Phonak Holding AG and changed its name to Sonova Holding AG in August 2007.