Spiral Hydrogen raised €3.4M in a Pre-Seed round in Apr 2026. The company is based in Tartu, Estonia. Investors in the round: byFounders, Norrsken Evolve, Superangel. Data as of 7 Aug 2026.
Reported in EUR — no conversion. €3.4M
Confidence is the weaker of amount-FX and source evidence (the cascade rule). See methodology.
This is the company's only recorded round.
