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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
client focusb2btechnologyHardwaretechnologyDeep Techsub industryClean Energybusiness modelManufacturingsectorHydrogensectorCeramicsectorSustainable Development GoalssectorClimate TechsectorElectrolysissectorGreen HydrogensectorHydrogen ProductionsectorStartup EstoniasectorStartup Estonia: Deep Tech

Valuation & funding

Stargate Hydrogen funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
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
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Financials

Revenue and workforce over time

Available revenue and workforce history. Fields without reported data are omitted.

YearRevenueGrowthEmployees
2026 $1.5M 0% 65
2025 $1.5M 0% 64
2024 $1.5M +507.9% 62
2023 $244K +1432.2% 35
2022 $16K
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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.

Latest monthly visits26K 3-month web change+36.8% 1-year team growth+1.6%
Monthly website visits40 observations · Apr 2023–Jul 2026
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Hiring

Open positions at Stargate Hydrogen

Current openings linked to this company in Dealroom.

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Comparisons

Stargate Hydrogen compared with similar companies

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Showing 8 of the closest matchesCompare every metric →

Talent graph

Stargate Hydrogen's talent

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Team profiled 6 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

6 investors on Stargate Hydrogen's cap table

Sourced from Dealroom's funding and investor records.

Seed 3 investors entered at this stage
European Commission
UG Investments
Important Projects of Common European Interest
Series A 3 investors entered at this stage
SmartCap
GIGA Venture
Repsol Energy Ventures

Global footprint

Where Stargate Hydrogen has talent and traffic

Workforce by country
5 countries with
team presence
🇪🇪 Estonia92.7%
🇸🇪 Sweden1.8%
🇩🇪 Germany1.8%
🇳🇱 Netherlands1.8%
🇵🇱 Poland1.8%
5 countries shown

In the news

Latest news about Stargate Hydrogen

Recent press, funding announcements, and product moves mentioning Stargate Hydrogen — open to read from the original sources.

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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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