Sonexos headquarters are located in Lausanne, Switzerland, at the EPFL Innovation Park (EIP). The EIP forms part of the Ecole Polytechnique Fédérale de Lausanne (EPFL), offering facilities and support to companies operating in high-technology.


Building I
EPFL Innovation Park

The EIP is situated a short tram ride from Lausanne’s main railway station and 70km from Geneva International Airport. It may also be accessed by road using the A1 motorway, transitioning through the Ecublens interchange and exiting at Lausanne-Malley.


Building I, EPFL Innovation Park
CH-1015 Lausanne

Registered Address

Rue de la Grotte, 6
CH-1003 Lausanne

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About us

Sonexos SA is a boutique, Swiss-based, international engineering consultancy providing expert strategic advice in the audio and sound domains to leading international brands operating in the consumer, automotive, mass transportation and industrial markets.

Our team of consultants have throughout their professional careers established a proven track record of strategic innovation in audio engineering, whether at the component or product level, as well as tangible success in the commercial exploitation of their solutions at scale.

At Sonexos, we offer customers access to a unique blend of professional consulting services that spans strategic planning and business development through to product innovation, supply chain management and intellectual property.

We also provide professional boards and investors with expert advice during their due diligence of prospective investee companies, where the nature and scope of our engagement can be tailored to suit.