Sonova Holding AG is an internationally active Swiss group of companies headquartered in Stäfa that specializes in hearing care (hearing instruments, cochlear implants, wireless communication). The Sonova group operates through its core business brands Phonak, Unitron, Hansaton, Advanced Bionics, AudioNova and Sennheiser.
The group traces its roots back to the Zurich-based AG für Elektroakustik, which was founded in 1947 with the participation of Ernst Rihs who acquired a majority shareholding in 1965, renaming the company Phonak AG in 1977. Phonak Holding AG was founded in 1985 as a holding company for the Phonak Group. The company was floated on the SWX Swiss Exchange in 1994 and renamed Sonova Holding AG on 1 August 2007.
Sonova mainly develops and markets hearing aids, cochlear implants, and wireless communication devices compatible with their hearing devices. The group consists of more than 30 constituent companies. Its research facilities are located in Switzerland, Canada, and the US, with manufacturing plants in Switzerland, China and Vietnam. Distribution is handled by its in-house wholesale network and independent sales partners. The group also owns retail outlets in selected countries.
As of 11 September 2022, Sonova is a component of the Swiss Market Index.
According to Wikipedia