# Kleio funding: rounds and investors

> Kleio has raised $3.1M across 1 round since 2025. Investors include Serena and Daphni. Every round with its source.

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

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

# Who invested in *Kleio*

One round we have observed, with the 2 investors 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.

Martech

Funding summary Updated 26 Oct 2026

**$3.1M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $3.1M Mar 2025
- **Investors:** 2

See who backed them

## The rounds

- **Mar 2025** Seed **$3.1M** [Serena](https://millionrounds.com/fund/serena) [Daphni](https://millionrounds.com/fund/daphni) Source recorded

## Founders and team

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

- **Philippe Wellens** Chief Executive Officer - ex C3 AI
- **Adrien Mathieu** President - ex C3 AI
- **Louis Poirier** Chief Technology Officer - ex C3 AI

## Everyone who backed them

[Serena](https://millionrounds.com/fund/serena) VC firm **1** round

[Daphni](https://millionrounds.com/fund/daphni) VC firm **1** round

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

## Quick answers about Kleio

### Who invested in Kleio?

Kleio's investors include Serena and Daphni.

### How much has Kleio raised?

Kleio has raised $3.1M across 1 round since 2025.

### When did Kleio last raise?

Kleio's most recent round was a Seed of $3.1M in Mar 2025.

### What was Kleio's biggest round?

Its most recent round, $3.1M in Mar 2025, is also its largest on record.

### Who backed Kleio first?

Kleio's first round on record, in Mar 2025, was backed by Serena and Daphni.

### What stage is Kleio at?

Kleio's latest named round is a Seed, in Mar 2025.

### Where is Kleio based?

Kleio is based in France.

## Companies like Kleio

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

[**Brevo** $583M · Dec 2025](https://millionrounds.com/company/brevo)[**Massive Dynamic** $3.5M · Jul 2025](https://millionrounds.com/company/massive-dynamic)[**Base for music** $1.7M · Jun 2025](https://millionrounds.com/company/base-for-music)[**Cashbanx** $4.1M · Oct 2026](https://millionrounds.com/company/cashbanx)[**Cuttable** $29M · Oct 2026](https://millionrounds.com/company/cuttable)[**Gradient** $24M · Oct 2026](https://millionrounds.com/company/gradient)

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