Sonexos SA raises CHF 5 million in Pre-Series A funding led by Valquest Partners to advance plasma-based noise control technology into series production.
PRIVATEOct 21, 2026
Amount Raised
CHF5 Million
Round Type
Pre-Series A
LausanneManufacturingArtificial Intelligence
Investors
Robert Bosch Venture Capital GmbHValquest Partners
Description
Sonexos SA, a Swiss deep-tech company, has successfully raised CHF 5 million in a Pre-Series A funding round. The round was led by Valquest Partners, with participation from Bosch Ventures and other private investors. This financing will enable the company to move its solid-state noise control technology from prototypes to mass production. The aim is to enhance low-frequency noise absorption in various applications, including HVAC systems and data centers.
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Company Information
Company
Sonexos SA
Location
Lausanne, Vaud, Switzerland
About
Sonexos SA is a Swiss deep-tech company specializing in solid-state active noise control technology. Their patented plasmacoustic technology absorbs low-frequency noise electronically, offering a lightweight and efficient solution. The company aims to transition from prototype systems to industrial production, targeting applications in HVAC systems and appliances. Sonexos is also expanding into AI data-centre cooling to address community noise concerns.
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LausanneManufacturingArtificial Intelligence