Ion-X
Ion-X is a space tech company in Paris, France, founded in 2021. It has raised $17.8M across 2 rounds, most recently a $13.7M Series A in December 2024.
Unlock your on-orbit potential
- Headquarters
- Paris
- Employees
- 1–10
- Founded
- 2021
- Business Model
- B2B
- Website
- ion-x.space
- Total Funding
- $17.8M
- Last Round
- $13.7M Series ADec 2024
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 2 funding rounds and 3 investors for this company. The full record is or through the API.
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
It lists 1–10 employees. 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
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Funding History
Dec 2024
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Funding: Seed through Series A. Amounts, valuations, and investors where available.
Investors
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