Ion-X

Unlock your on-orbit potential

Paris, France · Founded 2021 · $17.8M raised

Headquarters
Paris
Employees
1–10
Founded
2021
Business Model
B2B
Total Funding
$17.8M
Last Round
$13.7M Series ADec 2024
Rounds
2

About

ION-X, created in mid-2021 in partnership with C2N (CNRS/University of Paris-Saclay) and venture builder Technofounders, industrializes ionic liquid electrospray thrusters for small-satellite propulsion. Built on Professor Jacques Gierak's 30+ patents and 35+ years of ion-source research, the company has raised over EUR 16.8 million, including a EUR 13 million Series A round, and completed the first in-orbit firing of a European ionic liquid propulsion system in 2025.

Summary

Ion-X is a Space Tech company based in Paris, France, founded in 2021. It has raised $17.8M in total across 2 rounds, most recently a $13.7M Series A round in Dec 2024. Investors include European Innovation Council Fund, Innovacom and Expansion Capital.

Tech & App Stack

3 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.

Funding History

Series ASeries ADec 2024
$13.7M

Sign up to see all 2 rounds

Seed through Series A — per-round amounts, valuations, and who invested in each round.

Investors

Similar Companies

Your company? Embed this profile

Add the live badge to your site — it stays current as your funding data updates.

Ion-X on Indexed.vc
<a href="https://indexed.vc/companies/ion-x"><img src="https://indexed.vc/api/badge/company/ion-x" alt="Ion-X on Indexed.vc" width="260" height="76" /></a>