ArcSpace raises 2 million euros for 2027 on-orbit welding demo
ArcSpace
French startup ArcSpace closed a 2 million euro seed round to fund a 2027 in-orbit welding demonstration.

what happened
ArcSpace announced on Aug. 25 that it had closed a seed funding round of 2 million euros, per the company's comments to European Spaceflight. CEO Guillaume Mohara said the round, backing the qualification of its flight hardware and preparations for its first in-orbit demonstration, will support a 2027 test of its electron-beam welding tool on a 12-kilogram payload flown aboard an as-yet-unnamed host spacecraft.
why it matters
Electron-beam welding is a building block for in-orbit servicing, repair, and assembly: the ability to fix or extend a satellite in place instead of writing off hardware worth hundreds of millions of euros, per Mohara. A successful 2027 demo would give the Toulouse-based startup an early foothold in Europe's small but growing in-space-manufacturing segment ahead of larger prime contractors building the capability in-house.
for who
In-orbit servicing and satellite-manufacturing customers
signal-to-noise
quick facts
- Companies
- ArcSpace
- Category
- financial
- Impact
- notable
- SNR
- 2 / 5
- Event date
- 2026-08-25
- Published
- 2026-09-03 11:52 UTC