# Sonexos funding rounds and investors

As of 21 Oct 2026, Sonexos has raised $6.1M across 1 verified round on record (amounts in other currencies converted to USD); latest: CHF 5 million (approximately EUR 5.4 million / USD 6.1 million) pre-A round led by Valquest Partners, announced 21 Oct 2026.

A Swiss deep-tech company developing solid-state active noise control

Website: https://sonexos.com  
Headquarters: Lausanne, Vaud, Switzerland  
Page: https://fireround.dev/companies/sonexos

## Verified rounds

| Announced | Round | Amount | Lead investors | Other investors | Sources |
| --- | --- | --- | --- | --- | --- |
| 2026-10-21 | Pre-A | CHF 5 million (approximately EUR 5.4 million / USD 6.1 million) | Valquest Partners | Robert Bosch Venture Capital GmbH (Bosch Ventures) | [einpresswire.com](https://www.einpresswire.com/article/951171633/sonexos-raises-chf-5-million-to-bring-plasma-based-noise-control-to-series-production), [natlawreview.com](https://natlawreview.com/press-releases/sonexos-raises-chf-5-million-bring-plasma-based-noise-control-series), [azcentral.com](https://www.azcentral.com/press-release/story/140870/sonexos-raises-chf-5-million-to-bring-plasma-based-noise-control-to-series-production) |

Source: Fireround (https://fireround.dev), an open-source funding feed. Each round is checked against the pages listed with it.