Spiral Hydrogen
PrivateLast Round
Pre Seed
Apr 30, 2026
Total Funding Raised
$3.16M
Company Overview
Spiral Hydrogen is a deep-tech company that is developing a rotating, bubble-free electrolyser aimed at improving green hydrogen production efficiency.
Sector
Frontier & Industrial Tech
Verticals
Alternative Fuels, Renewable Energy, Clean Manufacturing, Clean Transportation
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Spiral Hydrogen Comps
Public and private peers based on sector, stage, and business model.
Spiral Hydrogen Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Pre Seed | Apr 30, 2026 | ||||
| Grant | Apr 1, 2026 | ||||
| Grant | Feb 1, 2026 | ||||
| Accelerator | Jun 20, 2025 | ||||
| Grant | May 23, 2025 |
Spiral Hydrogen Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Superangel | Pre Seed |
| European Space Agency | Accelerator |
| ESA BIC Estonia | Accelerator |
| byFounders | Pre Seed |
| Norrsken Evolve | Pre Seed |
| City of Tartu | Accelerator |
| Prototron | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 30, 2026
$3M round led by byFounders
- Apr 1, 2026
Secured $84K in grant funding.
Spiral Hydrogen Filings
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| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Spiral Hydrogen's valuation, stock price, and market status.
