Top 10 Hydrogen Fuel startups in UK

Jul 20, 2025 | By Alexander Gillet

1
Funding: £100M
UK-based energy infrastructure startup that is building multi-energy filling stations for commercial vehicles
2
Funding: $57.8M
Bramble Energy is an innovator energy technology company that designs and manufactures high-performance, low-cost, and fuel cell stack
3
Funding: £26M
HiiROC is an industrial company that produces hydrogen from biomethane, flare gas, or natural gas with no CO2 emissions.
4
Funding: £5.1M
Riversimple develops hydrogen fuel-cell cars for clients in the United Kingdom.
5
Funding: £3.3M
PuriFire Labs is pioneering Green Hydrogen and Carbon-Neutral Methanol Production
6
Funding: £1M
Storelectric is facilitating the growing hydrogen economy with cost-effective hydrogen production and storage.
7
Funding: £1M
Clyde Hydrogen methods is a technological business that is developing breakthrough methods for large-scale green hydrogen production.
8
Funding: $1.1M
Ki Hydrogen is a deep-tech venture that develops waste-to-hydrogen technology.
9

Supercritical Solutions is developing the world's most efficient electrolyser for hydrogen production
10
Funding: £60K
Origin21 is reducing the cost of green hydrogen using sonication to extract hydrogen from water without the need for an electrolyte. The process is so effective it drastically reduces the energy requirements lowering the levelised cost of green hydrogen.
  See also:
Editor: Alexander Gillet
Alexander Gillet is a senior editor for EnergyStartups. He has a deep background in energy sector and startups. Alexander graduated from Emlyon Business School, a leading French business school specialized in entrepreneurship. He has helped several non-profit organizations dedicated to promoting environmental education and sustainability and has written over 250 articles on energy technology for various websites. In his free time, Alexander enjoys yoga, camping and exploring the Blue Ridge Mountains. You can contact Alexander at alexgillet(at)energystartups(dot)com