Sonexos

Raised $6.1M in a Pre-Seed round, announced 21 October 2026.

Round

Sonexos attracted CHF 5 million in new equity financing to move its plasmacoustic noise-control technology from prototypes toward industrial products.

Amount
$6.1M
Stage
Pre-Seed
Announced
21 October 2026
Lead
Valquest Partners
Other investors
industry angels and private investors
Use of funds
Transition from engineered prototypes to qualified industrial products, with first series production targeted for early 2028.
Checked
Amount and date checked against the press source

Company

Develops plasma-based systems for reducing low-frequency industrial noise

Based in
Switzerland
Sector
Other
Website
sonexos.com ↗

Founder

Sources and links

Source
Sonexos raises CHF 5 Million to reduce noise with plasmacoustic technology startupticker.ch
Website
sonexos.com ↗
LinkedIn
Mark Donaldson ↗
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