Sonova AG

Sonova AG is a Swiss hearing care company headquartered in Switzerland, operating in over 100 countries and employing more than 18,000 people. Founded in 1947, it has grown from a Swiss start-up into a global leader in hearing care solutions. The company reports global sales of CHF 3.9 billion and a net profit of CHF 547 million for FY 2024/25.

The business is organised into four segments. Hearing Instruments covers hearing aids developed under the Phonak and Unitron brands; Cochlear Implants comprises implant systems marketed by Advanced Bionics; Consumer Hearing offers products under the licensed Sennheiser brand; and Audiological Care delivers clinical and retail services through the AudioNova network. Wireless communication systems support hearing and connectivity across these segments.

Technical work spans hearing aid technology, cochlear implants, wireless communication systems, audiology and audiological care, acoustics and audio engineering, and consumer hearing devices. Sonova holds over 1,800 patents and design rights. Its stated purpose is to change the reality of hearing loss and enable people to live without limitations, in a market where more than 1.5 billion people worldwide are affected by hearing loss.