Key facts
- It has raised $1.0M; the latest was Grant ($70K) in Jan 2026.
- Notable investors include byFounders, ESA BIC Estonia, Enterprise Estonia, H2UB, Prototron — 7 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 7 names
- ·Watchlist + deal alerts for Spiral Hydrogen
- ·The full record, as it builds
Funding rounds
No funding rounds for Spiral Hydrogen are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Spiral Hydrogen
Developer of hydrogen production technology intended for generating green hydrogen through electrolysis. The company's platform uses a centrifugal electrolyzer design to prevent gas buildup, enables high-efficiency hydrogen production, integrates cooling through rotational motion, simplifies system architecture, and supports catalyst maintenance, enabling energy producers and industrial operators to produce hydrogen with improved efficiency and reduced costs.
- Sector
- Energy
- HQ
- Tallinn, Estonia
- Founded
- 2024
- Employees
- 7
- Website
- spiralhydrogen.com/
- Ownership
- Privately Held (backing)
Spiral Hydrogen doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Spiral Hydrogen shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Spiral Hydrogen in its N-PORT filings yet. We sweep new filings monthly.