Skip to main content
Caplight Logo









Sonexos SA

Sonexos SA

Private
LausanneFrontier & Industrial Techhttps://sonexos.com

Last Round

Early Funding

Oct 21, 2026

Total Funding Raised

$6.1M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

Sonexos SA is an acoustic engineering company that develops and supplies solid-state, plasma-based active noise control solutions for industrial, automotive, and consumer applications.

Sector

Frontier & Industrial Tech

Verticals

Advanced Materials, Smart Manufacturing, Sensors, Consumer Electronics

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Application

Keywords

active noise controlplasma-based acousticslow-frequency noisesolid-state acousticsnoise cancellationacoustic metamaterialsHVAC noise reductiondata center coolingactive silenceracoustic engineeringdeep-tech hardwarevibration controlsmart acousticsnoise mitigation

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Sonexos SA Comparables

Compare Sonexos SA with similar companies based on industry and business-model similarity.

Sonexos SA comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Vibiscus
84%
ATA Mute B.V.
84%
Novio Sound
82%

Sonexos SA Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Early FundingOct 21, 2026
GrantJun 7, 2023

Key People

Founding team and executive leadership

Mark Donaldson

Chief Executive Officer

Executive Team

Stanislav Sergeev

Chief Technology Officer

Executive Team

Andrea Onetti

Chief Operating Officer

Executive Team

Sonexos SA Investors

Notable investors and investment history

Sonexos SA investors
InvestorRounds
Robert Bosch Venture CapitalEarly Funding
Valquest PartnersEarly Funding

Market signals

Structured signals derived from secondary market and firmographic data.

  • Oct 21, 2026

    $6.1M raised led by Valquest Partners.

  • Mar 1, 2026

    Monthly visitors grew 1248% MoM.

Recent news

Latest coverage and updates

  • receives_financingOct 21, 2026

    Sonexos SA receives $6.07M in new equity financing led by Valquest Partners, with participation from Bosch Ventures and industry angels and private investors, on Oct 26th '26 in Switzerland to move its solid-state noise control from working prototypes to industrial production.

Sonexos SA Filings

Explore SEC and related filing metadata, where available.

Sonexos SA filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about Sonexos SA's valuation, stock price, and market status.

Is Sonexos SA a public or private company?

Sonexos SA is a private company.

What is the current stock price of Sonexos SA?

Sonexos SA is a private company, so its shares have no public market price. Caplight tracks Sonexos SA's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Sonexos SA worth (valuation)?

Valuation information for Sonexos SA is not publicly available.

Can I buy Sonexos SA stock?

Sonexos SA shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Sonexos SA's last funding round?

Sonexos SA's most recent funding round was Early Funding on October 21, 2026.

Who are the main investors in Sonexos SA?

Key investors in Sonexos SA include Valquest Partners.

Will Sonexos SA IPO soon?

No public IPO plans have been announced for Sonexos SA.

How can I track Sonexos SA secondary market activity?

Caplight tracks bids, offers, and trades in Sonexos SA's shares on secondary markets.

Firmographic Details

HeadquartersLausanne
Employee Range5
Year Founded2022
Last FundingOct 21, 2026

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?