# Herow funding: rounds and investors

> Herow has raised $19M across 1 round since 2019. Investors include Siparex, Calao Finance and Xerys Fund. Every round with its source.

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

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

# Who invested in *Herow*

One round we have observed, with the 3 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.

Advertising & Adtech Martech

Funding summary Updated 26 Oct 2026

**$19M** raised across 1 round since 2019, from 1 source

- **Latest round:** Series B, $19M Oct 2019
- **Investors:** 3

See who backed them

## The rounds

- **Oct 2019** Series B **$19M** [Siparex](https://millionrounds.com/fund/siparex) [Calao Finance](https://millionrounds.com/fund/calao-finance) Xerys Fund Reported by FinSMEs

## Everyone who backed them

[Siparex](https://millionrounds.com/fund/siparex) Private equity **1** round

[Calao Finance](https://millionrounds.com/fund/calao-finance) VC firm **1** round

Xerys Fund no record of our own yet **1** round

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

## Quick answers about Herow

### Who invested in Herow?

Herow's investors include Siparex, Calao Finance and Xerys Fund.

### How much has Herow raised?

Herow has raised $19M across 1 round since 2019.

### When did Herow last raise?

Herow's most recent round was a Series B of $19M in Oct 2019.

### What was Herow's biggest round?

Its most recent round, $19M in Oct 2019, is also its largest on record.

### Who backed Herow first?

Herow's first round on record, in Oct 2019, was backed by Siparex, Calao Finance and Xerys Fund.

### What stage is Herow at?

Herow's latest named round is a Series B, in Oct 2019.

### Where is Herow based?

Herow is based in France.

## Companies like Herow

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

[**Olyzon** $14M · May 2026](https://millionrounds.com/company/olyzon)[**Audion** $15M · May 2026](https://millionrounds.com/company/audion)[**MEDIADS** $3.5M · May 2026](https://millionrounds.com/company/mediads)[**Favikon** $604K · Apr 2026](https://millionrounds.com/company/favikon)[**SMALK AI** $750K · Jan 2026](https://millionrounds.com/company/smalk-ai)[**Brevo** $583M · Dec 2025](https://millionrounds.com/company/brevo)

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