The green hydrogen market is expanding rapidly, driven by the push to decarbonise heavy industry, transport, and power. In this roundup, we spotlight 10 green hydrogen companies making real progress—whether through innovative technology, large-scale projects, or global partnerships.
1. Linde
Linde is one of the world’s largest industrial gas companies, offering green hydrogen solutions from production to end-use. It partners with major manufacturers and governments to drive decarbonisation in heavy industry and transport.
Office Location: Guildford, United Kingdom
Website: linde.com
Year Founded: 1879
Team Size: 80,000 employees
Industries Served: Energy, chemicals, mobility, industrial
Case Studies: View all case studies
2. Air Products
Air Products operates more than 100 hydrogen plants globally and is behind several mega-scale green hydrogen projects, including the NEOM plant in Saudi Arabia. It supplies hydrogen for mobility, refining, and power generation at commercial scale.
Office Location: Allentown, Pennsylvania, United States
Website: airproducts.com
Year Founded: 1940
Team Size: 19,000 employees
Industries Served: Industrial gases, refining, mobility
Case Studies: View all case studies
3. Air Liquide
Air Liquide is a global leader in industrial gases and is investing heavily in green hydrogen as part of its climate roadmap. The company is building electrolyser plants across Europe and North America to serve clean energy and transport.
Office Location: Paris, France
Website: airliquide.com
Year Founded: 1902
Team Size: 64,500 employees
Industries Served: Industry, healthcare, electronics, transport
Case Studies: View all case studies
4. ITM Power
Based in Sheffield, ITM Power manufactures PEM electrolysers and operates the world’s largest electrolyser factory. Its systems are used across Europe to generate green hydrogen for refuelling, grid balancing, and industrial use.
Office Location: Sheffield, United Kingdom
Website: itm-power.com
Year Founded: 2000
Team Size: 200-300 employees
Industries Served: Mobility, Power‑to‑X, industry
Case Studies: View all case studies
5. Nel ASA
Nel ASA is a Norwegian pioneer in water electrolysis with over 3,500 electrolysers installed worldwide. The company builds both small and large-scale hydrogen systems, including hydrogen refuelling stations across Europe.
Office Location: Oslo, Norway
Website: nelhydrogen.com
Year Founded: 1927
Team Size: 200-300 employees
Industries Served: Transport, industry, energy storage
Case Studies: Not available
6. Ceres
Ceres develops solid oxide electrolyser technology and licenses it to global industrial players such as Bosch and Doosan. Its systems are highly efficient and designed to decarbonise hard-to-electrify sectors like steel and chemicals.
Office Location: Horsham, United Kingdom
Website: ceres.tech
Year Founded: 2001
Team Size: 200-300 employees
Industries Served: Data centres, industry, transport
Case Studies: View all case studies
7. Plug Power
Plug Power builds and deploys green hydrogen infrastructure including electrolysers, fuel cells, and refuelling stations. The company serves major logistics companies and is expanding production in the US and Europe.
Office Location: Latham, New York, United States
Website: plugpower.com
Year Founded: 1997
Team Size: 1,500 employees
Industries Served: Logistics, energy, mobility
Case Studies: View all case studies
8. H2Pro
H2Pro is an Israeli startup developing an innovative electrolysis method that’s more efficient and cost-effective than traditional systems. It’s backed by major investors including Breakthrough Energy Ventures and Hyundai.
Office Location: Yokne’am Illit, Israel
Website: h2pro.co
Year Founded: 2019
Team Size: 100-200 employees
Industries Served: Energy, industry
Case Studies: Not available
9. Iberdrola
Iberdrola is a global utility leading the green hydrogen charge with 60 active projects and joint ventures in Spain and the UK. It’s building Europe’s largest electrolyser gigafactory and supplying clean hydrogen to industrial hubs.
Office Location: Madrid, Spain
Website: iberdrola.com
Year Founded: 1992
Team Size: 40,000 employees
Industries Served: Utility, transport, industry
Case Studies: View all case studies
10. GeoPura
GeoPura produces off-grid hydrogen-based power units that replace diesel generators on film sets, construction sites and remote events. Its solutions are powered by renewable energy and emit only water vapour.
Office Location: Newcastle upon Tyne, United Kingdom
Website: geopura.com
Year Founded: 2019
Team Size: 50-100 employees
Industries Served: Film, construction, defence
Case Studies: View all case studies
Our Selection Process
We ranked companies based on four key factors:
- Scale & innovation – strength of their green hydrogen offering and proprietary technology
- Global reach – geographic footprint and operational presence
- Track record – project delivery and market traction
- Financial & strategic backing – capital, partnerships, and long-term stability
The Bottom Line
As the hydrogen economy gains pace, these leaders are proving what’s possible with innovation, investment, and smart energy thinking. If you’re a commercial operator looking to decarbonise with solar panel solutions, Perfect Sense Energy offers fully integrated systems and hands-on support.
Contact us today and start your journey toward a lower-carbon, lower-cost future.
FAQs
What are green hydrogen companies?
Green hydrogen companies are businesses that produce, develop, or supply hydrogen made using renewable energy sources like wind, solar, or hydroelectric power. These companies often focus on electrolysis technology, hydrogen fuel infrastructure, or commercial-scale hydrogen projects aimed at decarbonising industry and transport.
Which companies are leading in green hydrogen production?
Top green hydrogen producers include Linde, Air Products, Air Liquide, ITM Power, and Plug Power. These companies have large-scale projects, advanced electrolyser technology, and global partnerships that support green hydrogen at commercial scale.
How do green hydrogen companies make hydrogen?
Green hydrogen companies use a process called electrolysis, where electricity from renewable sources splits water into hydrogen and oxygen. The hydrogen is then stored or transported for use in fuel cells, industrial applications, or clean power generation.
Why is green hydrogen important for the UK’s net zero goals?
Green hydrogen plays a critical role in helping the UK meet its net zero emissions target by replacing fossil fuels in hard-to-decarbonise sectors like steelmaking, shipping, aviation, and heavy goods transport. It also supports energy storage and grid stability.
How can businesses start using green hydrogen or other renewable energy solutions?
Businesses can begin by assessing their energy needs and exploring options like solar panels, battery storage, or hydrogen-ready infrastructure. Perfect Sense Energy provides expert advice and turnkey renewable energy systems tailored to commercial operations.
