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ION-X

Space · Boulogne-Billancourt, France · Founded 2021

Next-gen high performance satellite propulsion MoreLess

ION-X is a pioneering startup in the field of small satellite propulsion systems. The company's patented technology, an ionic liquid electrospray thruster, is set to revolutionize the rapidly growing small satellites market. These satellites, which are expected to increase significantly in the next decade, are used for various purposes such as communication, earth observation, climate monitoring, and military needs. ION-X's propulsion systems are designed to optimize the utilization and lifespan of these satellites in Low Earth Orbit.

The company's technology works by using a high-voltage electric potential to form a Taylor cone, which triggers the extraction of charged particles from the ionic liquid. These particles are then ejected at high speed to provide thrust. The system is simple, efficient, and powerful, offering unmatched thrust and fuel efficiency. It also allows satellite operators to adjust the thrust and efficiency in real time based on the required orbital maneuvers.

ION-X's business model revolves around the development and marketing of these propulsion systems. The company is currently developing a 1U plug-and-play thruster, which is expected to hit the market by mid-2024. This product is designed to be non-toxic and non-pressurized, making it safe and easy to operate. It is also well-suited for end-of-life management or debris avoidance maneuvers, further enhancing its value proposition.

ION-X's target market includes satellite operators and constellation projects. The company's competitive advantage lies in its cost-effective production and manufacturing processes, which are compatible with at-scale roll-out. This allows ION-X to offer competitive lead times, making it an attractive choice for clients.

Keywords: Small Satellite Propulsion, Ionic Liquid Electrospray Thruster, Low Earth Orbit, Satellite Lifespan Optimization, High-Voltage Electric Potential, Thrust and Fuel Efficiency, Non-Toxic Propellant, End-of-Life Management, Cost-Effective Production, Competitive Lead Times.

Company overview

ION-X company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2021
Headquarters
Boulogne-Billancourt, France
Employees
30
Open positions
None listed
Dealroom signal
74.8
client focusb2btechnologyHardwaretechnologyDeep Techbusiness modelManufacturingsectorSpinoutsectorEICsectorSpace TechsectorSatellitessectorIndustrial TechnologysectorSpacecraft PropulsionsectorEIC FundsectorSpace Vehicles Components and PayloadssectorPropulsion SystemssectorSpace Upstream

Valuation & funding

ION-X funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SUPPORT PROGRAMOther financing Jun 2026 $110K EUSPA · CASSINI Initiative
SERIES AEquity / VC Dec 2024 $14M $57M Tf Participations · Ile-de-France (Paris Region) · Expansion Ventures · EIC Fund
SUPPORT PROGRAMOther financing Nov 2024 $83K CASSINI Initiative · EUSPA · Cassini Business Accelerator
EARLY VCEquity / VC Nov 2023 $0 EIC Fund
GRANTOther financing Nov 2023 $2.5M European Innovation Council
SUPPORT PROGRAMOther financing Sep 2022 CDL-Paris
SEEDEquity / VC Jun 2022 Tf Participations · Business Angels · Geodesic Fund
SUPPORT PROGRAMOther financing Jan 2022 EUSPA · CASSINI Initiative
SPINOUTOther financing May 2021 CNRS Innovation · French National Centre for Scientific Research - CNRS
SUPPORT PROGRAMOther financing Feb 2018 HEC Challenge+ · HEC Paris
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Financials

Workforce over time

Available workforce history. Financial fields without reported data are omitted.

YearEmployees
2026 29
2025 29
2024 19
2023 12
2022 8
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

ION-X website traffic

Latest recorded traffic for ION-X is 190 monthly website visits, down 64.2% over the last three months. ION-X's team grew 3.4% over the past year.

Latest monthly visits190 3-month web change-64.2% 1-year team growth+3.4%
Monthly website visits10 observations · Oct 2022–Jun 2026
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Comparisons

ION-X compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

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Talent graph

ION-X's talent

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Team profiled 5 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

17 investors on ION-X's cap table

Sourced from Dealroom's funding and investor records.

Seed 4 investors entered at this stage
Tf Participations
Business Angels
Geodesic Fund
European Innovation Council
Series A 3 investors entered at this stage
EIC Fund
Ile-de-France (Paris Region)
Expansion Ventures
Other known 10 additional known investors
CASSINI Initiative
EUSPA
HEC Paris
Cassini Business Accelerator
CDL-Paris
CNRS Innovation
French National Centre for Scientific Research - CNRS
HEC Challenge+
Innovacom
TechnoFOUNDERS

Global footprint

Where ION-X has talent and traffic

Workforce by country
1 countries with
team presence
🇫🇷 France100%
1 country shown

In the news

Latest news about ION-X

Recent press, funding announcements, and product moves mentioning ION-X — open to read from the original sources.

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Market sentiment

What the market is saying about ION-X

An AI-synthesized read of the highest-engagement posts about ION-X on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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