Startup profile · funding coverage
Sonexos funding, valuation and investors
Plasma-based active noise control for appliances, ventilation and industrial cooling.
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Funding, valuation & investors
Answer-first snapshotLatest funding
Pre-Series A
About $6.1M (CHF5M; issuer-reported USD equivalent) · October 21, 2026
Latest known valuation
Not publicly disclosed
Total disclosed equity funding
$6.1M
Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.
Current status
private
Stage not recorded · Lausanne, Switzerland
Investors in latest funding
Lead: Valquest Partners
Other: Bosch Ventures , Industry angels and private investors
Overview
Sonexos is a Lausanne-based developer of electronically controlled plasma acoustic systems. It reported paid prototype-integration programmes and raised about $6.1M in Pre-Series A equity announced October 21, 2026. Volume production remains a target.
Why Sonexos is interesting
A compact active acoustic module could reduce reliance on bulky passive silencers, subject to product qualification and cost.
Product & use cases
Plasmapanel combines a plasma acoustic layer with control electronics. Proposed sales models include integrated panels with engineering support and components/software integrated by larger manufacturers.
- Low-frequency noise reduction in appliance and HVAC designs.
- Evaluation of low-noise fan configurations with SIT for cooling infrastructure.
Funding history (newest first)
Pre-Series A
2026-10-21 About $6.1M (CHF5M; issuer-reported USD equivalent)- Valquest Partners (lead)
- Bosch Ventures (participant)
- Industry angels and private investors (participant)
Source: Read source · sonexos.com
Investors in our directory
Funds linked from Sonexos's profile — open a fund page for stage focus and related deal articles.
Competitive landscape
Customer evaluation and paid prototype work do not establish serial production, recurring revenue or independent lifetime reliability.
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Phononic Vibes adjacent
Uses engineered acoustic materials and structures rather than electronically controlled plasma. Overlapping industrial noise-control buyers; different integration requirements.
Industries
Market / IPO context
Editorial / static context — not a live quote.
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