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Stargate Hydrogen
Energy · Tallinn, Estonia · Founded 2021
Stargate Hydrogen delivers turn-key solutions for hydrogen projects throughout the world MoreLess
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.
Keywords: hydrogen technology, electrolyzers, fuel cell locomotives, green energy, zero-emission, scalable solutions, cost-effective, industrial applications, sustainable, retrofitting.
Company overview
Stargate Hydrogen company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2021
- Headquarters
- Tallinn, Estonia
- Employees
- 65
- Open positions
- 2
- Dealroom signal
- 85.1
Valuation & funding
Stargate Hydrogen 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 | ↗ |
| SEEDOther financing | May 2024 | $46M | $185M | UG Investments · Important Projects of Common European Interest | ↗ |
| GRANTOther financing | Jul 2023 | $12M | — | European Commission | ↗ |
Financials
Revenue and workforce over time
Available revenue and workforce history. Fields without reported data are omitted.
| Year | Revenue | Growth | Employees |
|---|---|---|---|
| 2026 | $1.5M | 0% | 65 |
| 2025 | $1.5M | 0% | 64 |
| 2024 | $1.5M | +507.9% | 62 |
| 2023 | $244K | +1432.2% | 35 |
| 2022 | $16K | — | — |
Growth signals
Stargate Hydrogen website traffic
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.
Hiring
Open positions at Stargate Hydrogen
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Comparisons
Stargate Hydrogen compared with similar companies
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Talent graph
Stargate Hydrogen's talent
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Investors
6 investors on Stargate Hydrogen's cap table
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Global footprint
Where Stargate Hydrogen has talent and traffic
team presence
In the news
Latest news about Stargate Hydrogen
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Market sentiment
What the market is saying about Stargate Hydrogen
An AI-synthesized read of the highest-engagement posts about Stargate Hydrogen on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
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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