# Keysom funding: rounds and investors

> Keysom has raised $4.4M across 1 round since 2024. Investors include Bpifrance. Every round with its source.

Source: https://millionrounds.com/company/keysom (Millionrounds; every figure on the page links to its filing or article)

France · [Seed startup](https://millionrounds.com/companies)

# Who invested in *Keysom*

One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Semiconductors

Funding summary Updated 26 Oct 2026

**$4.4M** raised across 1 round since 2024, from 1 source

- **Latest round:** Seed, $4.4M Oct 2024
- **Investors:** 1

See who backed them

## The rounds

- **Oct 2024** Seed **$4.4M** [Bpifrance](https://millionrounds.com/fund/bpifrance) Source recorded

## Founders and team

From Keysom's own website: 3 on the team.

- **Cyril Sagonero** CEO
- **Fabrice Bonnet** CTO
- **Luca Testa** COO

## Everyone who backed them

[Bpifrance](https://millionrounds.com/fund/bpifrance) Government **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=keysom).

## Quick answers about Keysom

### Who invested in Keysom?

Keysom's investors include Bpifrance.

### How much has Keysom raised?

Keysom has raised $4.4M across 1 round since 2024.

### When did Keysom last raise?

Keysom's most recent round was a Seed of $4.4M in Oct 2024.

### What was Keysom's biggest round?

Its most recent round, $4.4M in Oct 2024, is also its largest on record.

### Who backed Keysom first?

Keysom's first round on record, in Oct 2024, was backed by Bpifrance.

### What stage is Keysom at?

Keysom's latest named round is a Seed, in Oct 2024.

### Where is Keysom based?

Keysom is based in France.

## Companies like Keysom

In the same sector, and raised in the last eighteen months.

[**Quobly** $151M · Jun 2026](https://millionrounds.com/company/quobly)[**NcodiN** $18M · Nov 2025](https://millionrounds.com/company/ncodin)[**Hummink** $17M · Nov 2025](https://millionrounds.com/company/hummink)[**Scintil Photonics** $62M · Sept 2025](https://millionrounds.com/company/scintil-photonics)[**SiPearl** $119M · Jul 2025](https://millionrounds.com/company/sipearl)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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