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Stargate Hydrogen competitors & alternatives
The 12 closest competitors and alternatives to Stargate Hydrogen among clean technology companies — ranked by similarity to what Stargate Hydrogen actually does, not by market-cap band.
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About Stargate Hydrogen
Stargate Hydrogen is a European hydrogen technology company headquartered in Estonia that develops advanced industrial electrolyser systems. The firm creates green hydrogen production systems intended to improve energy resilience and infrastructure.
Stargate Hydrogen at a glance
Stargate Hydrogen is a clean technology company headquartered in Estonia. It has raised at least $52.4M across the 2 funding rounds on record. Its most recent funding round, Series A, raised $11.9M in March 2025. Xcout tracks 10 named people at Stargate Hydrogen, including Marko Virkebau (CEO).
Stargate Hydrogen leadership
- Marko VirkebauCEO
- Rainer KüngasCTO
- Marko VirkebauCEO Co-Founder and CFO
- Liis MaidlaVP of Finance
- Marc GschwenderVP of Engineering
- Rafael PauliVP of Sales
4 more named people on record for Stargate Hydrogen, with roles, board committees and tenure — see the full roster →
Stargate Hydrogen funding rounds
At least $52.4M raised across the 2 rounds on record. Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Series A | $11.9M | 3 named | |
| Series A | $45.4M | 3 named |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Top 12 Stargate Hydrogen competitors
Ranked by semantic similarity — how close each company is to Stargate Hydrogen by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Similar clean technology company
Elcogen develops high-efficiency solid oxide cells, stacks, and modules for SOFC and SOEC systems to enable green hydrogen production and zero-emission energy. Founded in 2001, the company is headquartered in Tallinn, Estonia, with research and development centers in Estonia and Finland.
Similar clean technology company
PowerUP Energy Technologies is an appliances, electrical, and electronics manufacturing company headquartered in Tallinn, Estonia. The company specializes in developing innovative hydrogen fuel cell-based backup power systems.
Hydrogen Technology
Power to Hydrogen Inc. is a Columbus, Ohio-based company specializing in advanced electrolysis technologies. The company is a leader in clean energy innovation and has secured significant investment to support its growth.
Hydrogen Technology
Hydrogen Mem-Tech is a clean-technology company founded in 2017 in Trondheim, Norway. The firm develops innovative membrane technology for hydrogen separation and purification to enable the green energy transition. It operates globally to support sustainable industrial gas processing and carbon reduction.
Hydrogen Technology
Resato Hydrogen Technology is a Dutch market leader in sustainable hydrogen infrastructure with over 30 years of expertise in high-pressure technology. Based in Assen, Netherlands, the company specializes in developing hydrogen refueling stations and related solutions.
Auto Tech
HONC Gas (HONC Gas Private Limited) is a clean energy innovation company pioneering green hydrogen fuel derived entirely from purified water.
Hydrogen Tech
H2SITE is an industrial company that enables the sustainable transport of hydrogen by converting it to high purity prior to use. The owner of the website www.h2site.eu is HYDROGEN ONSITE SL.
Similar clean technology company
NitroFix is a clean technology and green energy company that has developed proprietary technology to produce zero-emission, low-cost ammonia from water and air. The company's sustainable ammonia production method aims to serve clean energy, agriculture, and chemical applications while reducing the global carbon footprint.
Hydrogen Technology
Hexagon Purus manufactures zero-emission mobility and infrastructure solutions, specializing in high-pressure Type 4 hydrogen cylinders, fuel storage systems, battery systems, and vehicle integration. The company serves original equipment manufacturers, dealers, and fleet operators across medium- and heavy-duty transport, light-duty vehicles, distribution systems, bus, maritime, rail, aviation, and stationary storage markets.
Clean Tech
Electrochaea GmbH is a dynamic growth stage company that provides industry-leading biomethanation technology for commercial-scale, grid-quality renewable e-methane production, with headquarters, engineering, and development teams in Munich, Germany.
Deeptech
Spectro Inlets is a Danish high-tech startup headquartered in Søborg, Denmark, that delivers state-of-the-art EC-MS instruments to electrochemistry and mass spectrometry research laboratories around the world.
Clean Tech
Hycosys is an Indian gas turbine engineering company founded in 2024 and headquartered in Bengaluru, Karnataka. The company specializes in developing compact, recuperated, hydrogen-ready micro gas turbines intended for critical power and propulsion applications.
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