Spiral Hydrogen
Spiral Hydrogen is developing a rotating, bubble-free electrolyser designed to improve the efficiency of green hydrogen production.
Tartu, Estoniaspiralhydrogen.com ↗
Total raised
€3.4M
€3,400,000
Funding rounds
1
Investors
3
distinct backers
Active since
2026-04
latest 2026-04
Funding by year
EUR raised per year · 2026 YTDSignals
High confidenceRaise-next likelihood15
base rate 24% for Pre-Seed
- ▼ Raised very recently
- ▼ Low backer re-investment
Timing: too soon vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
1 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2026-04-30 | Pre-Seed | €3.4M | byFounders,Norrsken Evolve,Superangel | View deal → |