Hysata logo

Hysata

Redefining the economics of green hydrogen.

105 employees · est. 2021 · Australia

VS
Protium logo

Protium

Developing green hydrogen and fuel cell projects in the UK

62 employees · est. 2019 · London, United Kingdom

Protium is the older company (2021 vs 2019).

Side-by-Side Comparison

Hysata Protium
Founded
2021 2019 older
Headquarters
Australia London, United Kingdom
Employees
105 62
Industry
Renewable Energy, Semiconductor ESG, Energy, Renewable Energy
Funding Stage
Series B Series Unknown
Total Funding
$180.37M $40.50M
Funding Rounds
4 2
Services
Not tracked yet Not tracked yet
Target Customers
Not tracked yet Not tracked yet
Taxonomy
Green Hydrogen, Electrolyser, Energy Transition, Net Zero Emissions, Technology, Innovation, Startup, Investment, Clean Energy, University Collaboration Green Hydrogen, Renewable Energy, Net Zero Emissions, Fuel Cell Projects, Sustainable Energy, Decarbonization, Industrial Heat, Heavy Goods Vehicles (HGVs), Project Delivery Model, Energy Solutions, UK, Clean Energy, Industrial Sector, Manufacturing Sector, Public Sector
Website
hysata.com protium.green
Hysata logo

About Hysata

Hysata, founded in 2021 and headquartered in Australia, is poised to reshape the green hydrogen landscape through its innovative electrolyser technology. By aiming to produce hydrogen at $2/kg, the company positions itself at the forefront of the global shift towards renewable energy, a vital step i...

Protium logo

About Protium

Protium Green Solutions is a UK-based startup that focuses on developing green hydrogen and fuel cell projects in the UK. The company's slogan "Developing green hydrogen and fuel cell projects in the UK" reflects its commitment to sustainable energy solutions. Founded in 2019, Protium is active in t...

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Funding, hiring, leadership and stack changes at Hysata and Protium — by email.

Frequently Asked Questions

Hysata — Redefining the economics of green hydrogen.. Protium — Developing green hydrogen and fuel cell projects in the UK. Both companies operate in related markets but may differ in funding stage, team size, and product focus.
Hysata has raised $180.37M while Protium has raised $40.50M.
Hysata and Protium operate in overlapping markets and are frequently compared. Track both companies on Bounce Watch to monitor their growth signals in real time.

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Compiled from the BounceWatch company index. We last looked at Hysata on 11 Aug 2025, and Protium on 12 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.

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