# ION-X: Aviation & aerospace, Boulogne-Billancourt, France

> ION-X: ION-X is a French deep-tech startup founded in 2021 that specializes in developing ionic liquid electrospray propulsion systems for small satellites...

Source: https://millionrounds.com/startup/ion-x (Millionrounds; every figure on the page links to its filing or article)

France · [Aviation & aerospace startup](https://millionrounds.com/companies)

# ION-X

ION-X is a French deep-tech startup founded in 2021 that specializes in developing ionic liquid electrospray propulsion systems for small satellites, including microsatellites and nanosatellites.

Funding reported Last round: Seed

Aviation & aerospace Boulogne-Billancourt, France

Company summary

- **Founded:** 2021 5 years old
- **Team:** 30 11 to 50 people
- **Funding reported:** 13.7M as listed, currency not stated
- **Last round:** Seed Feb 2024

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for ION-X has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## About ION-X

ION-X is a French deep-tech startup founded in 2021 that specializes in developing ionic liquid electrospray propulsion systems for small satellites, including microsatellites and nanosatellites.

The company aims to enhance satellite autonomy and operational lifetime through efficient and sustainable propulsion solutions. Based in Boulogne-Billancourt, France, ION-X is a spin-off from the Center for Nanosciences and Nanotechnologies and has secured €13 million in funding to scale its production and development efforts. The company's key product line, the HALO series of thrusters, utilizes patented ElectroHydroDynamics technology to provide unmatched efficiency for satellite maneuvers such as precise orbit adjustments, station-keeping, and deorbiting. ION-X's propulsion systems feature non-toxic, green ionic liquid propellants and are designed for high performance, with capabilities that include instant activation and long operational life. The company primarily targets the European small satellite market, catering to manufacturers and operators seeking reliable in-orbit mobility solutions.

## What company datasets say ION-X raised

Funding, as reported

Reported in all **13.7M** in the source's currency

Rounds **1**

Last round **Seed**

Last round size **14.3M**

Last round date **Feb 2024**

Investors listed **1**

## On 2 portfolio pages

Investors who name them

- [Technofounders](https://millionrounds.com/fund/technofounders)
- [Expansion Ventures](https://millionrounds.com/fund/expansion-ventures)

Each firm lists ION-X on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

## The company, in detail

What they build

Known for

space asset optimization stealth technology small satellites transportation_logistics manufacturing ionic liquid thruster life extension in orbit high thrust satellite maneuvering space technology spacecraft propulsion on-orbit demonstration focused ion beam nanoscience taylor cone electronics manufacturing

Built with from their website

Google Tag Manager WordPress.org Apache YouTube Google Workspace Viewport Meta Google Meet Priority Hints Google Font API Google Cloud reCAPTCHA Enterprise

+8 more

MySQL PrimeNG Mobile Friendly Open Graph jQuery MonsterInsights Proton Mail Google Analytics

- **Sector:** Aviation & aerospace
- **Industry code:** NAICS 336414, 541715, SIC 3769, 3761
- **Region:** Ile-de-France
- **Full record:** [Every detail in the company directory](https://millionrounds.com/directory/ion-x)

## Aviation & aerospace in France

Startups like it

- [**HYNAERO SAS** Istres · founded 2023](https://millionrounds.com/startup/hynaero-sas)
- [**FLYING WHALES** Suresnes · founded 2012](https://millionrounds.com/startup/flying-whales)
- [**Infinite Orbits** Toulouse · founded 2017](https://millionrounds.com/startup/infinite-orbits)
- [**Delair** Labege · founded 2011](https://millionrounds.com/startup/delair)
- [**Expliseat** Paris · founded 2011](https://millionrounds.com/startup/expliseat)
- [**Latitude** Reims · founded 2019](https://millionrounds.com/startup/latitude-3)
- [**U-Space** Toulouse · founded 2018](https://millionrounds.com/startup/u-space-3)
- [**Aries Industries** Nantes · founded 2000](https://millionrounds.com/startup/aries-industries)

## Is this your company?

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