KERYS Software Raises €6.2 Million in Pre-Seed Round

KERYS Software Raises €6.2 Million in Pre-Seed Round

KERYS Software, a Palaiseau, France-based provider of cybersecurity and secure virtualization solutions, has raised €6.2 million in pre-seed funding.

The round was backed by Daphni, Seedcamp, and Backtrace, with participation from Kima Ventures and notable angel investors Amirhossein Malekzadeh, Sébastien Pahl, and Nicolas Steegmann.

The company will use the funding to expand the team, enhance product capabilities, and accelerate international growth and go-to-market operations.

Founded in 2024 by Thomas Brethomé, Sébastien Domergue, and Sylvain Cassier, KERYS Software is a French InfraTech company focused on optimizing enterprise IT infrastructure. The company provides a deep-tech virtualization platform that combines cybersecurity, performance, and sustainability. Its platforms, YS::Cloud and YS::Desktop, enable multiple virtualized environments to run securely on a single machine. Headquartered in Palaiseau, France, KERYS Software technology helps organizations reduce IT costs, cut carbon emissions, and securely manage sensitive workloads.

Funding Details

Company: KERYS Software SAS

Raised: €6.2M

Round: Pre-Seed

Funding Date: July 2025

Lead Investor: Daphni

Additional Investors: Seedcamp, Backtrace, Kima Ventures, Amirhossein Malekzadeh, Sébastien Pahl, Nicolas Steegmann

Company Website: https://kerys.software/

Software Category: InfraTech / Virtualization / IT Infrastructure Optimization / Cybersecurity