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Stargate Hydrogen
Stargate Hydrogen delivers turn-key solutions for hydrogen projects throughout the world
About Stargate Hydrogen
Stargate Hydrogen is a forward-thinking company specializing in hydrogen technology solutions. Based in Tallinn, Estonia, the company operates primarily in the green energy sector, focusing on the development and deployment of electrolyzers and fuel cell locomotives. Their primary clients include industries such as refineries, green ammonia producers, green steel manufacturers, and synthetic fuel producers. Additionally, they serve the transportation sector by retrofitting freight locomotives with zero-emission hydrogen powertrains.
The company’s business model revolves around providing tailored, cost-effective, and scalable hydrogen solutions. Stargate Hydrogen generates revenue through the sale of their advanced electrolyzers and fuel cell systems, as well as through service and maintenance contracts. Their electrolyzers use cutting-edge alkaline technology, which is free of precious metals like iridium and ruthenium, making them both cost-effective and scalable. These electrolyzers are designed to produce hydrogen at high pressure, thereby saving energy and reducing costs for their clients.
Stargate Hydrogen is also a member of several key industry associations, including the European Clean Hydrogen Alliance, the Estonian Hydrogen Association, and the Latvian Hydrogen Association. This affiliation underscores their commitment to advancing hydrogen technology and contributing to a sustainable future.
Their innovative approach includes converting existing diesel-electric locomotives into zero-emission hybrid fuel cell battery-powered shunting locomotives. This solution is less capital-intensive and offers a lower total cost of ownership compared to traditional electric locomotives, making it an attractive option for the freight industry.
In summary, Stargate Hydrogen is a dynamic player in the green energy market, offering versatile and reliable hydrogen solutions that help industries and transportation sectors reduce their carbon footprint.
Source: Dealroom company dataAt a glance
- Status
- Operational
- Founded
- 2021
- Headquarters
- Tallinn, Estonia
- Employees
- 65
- Open positions
- 2
- Dealroom signal
- 85.1/100
- Sub-industry
- Clean Energy
- Sector
- Energy, Hydrogen, Ceramic, Sustainable Development Goals, Climate Tech, Electrolysis, Green Hydrogen, Hydrogen Production, Startup Estonia, Startup Estonia: Deep Tech
- Technology
- Hardware, Deep Tech
- Business model
- Manufacturing
- Client focus
- b2b
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| EARLY VCOther financing | Jul 2025 | $0 | — | Repsol Energy Ventures | ↗ |
| SERIES AOther financing | Mar 2025 | $12M | $231M | SmartCap · UG Investments · GIGA Venture | ↗ |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for Stargate Hydrogen is 26K monthly website visits, up 36.8% over the last three months. Stargate Hydrogen's team grew 1.6% over the past year.
Open positions
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Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed3 investors entered at this stage
European Commission
UG Investments- IIImportant Projects of Common European Interest
Series A3 investors entered at this stage
SmartCap
GIGA Venture
Repsol Energy Ventures
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Stargate Hydrogen on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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