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Hiiroc

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Developing and commercialising its plasma torch technology in the production of hydrogen from biomethane, flare gas and natural gas through Thermal Plasma Electrolysis

Hull, United KingdomFounded 2020Energy
Valuation $25–50M Last recorded · 2026
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Hiiroc and the history behind them.

About Hiiroc

HiiROC is a startup that operates in the clean energy sector, specifically focusing on the production of low-cost, zero-emission hydrogen through a patented process known as Thermal Plasma Electrolysis. This innovative technology is a game-changer in the hydrogen production industry, offering a cost-effective and environmentally friendly alternative to traditional methods.

The company's target market includes sectors ranging from power generation to industrial decarbonisation, essentially any industry that requires hydrogen as a fuel source. HiiROC's technology is versatile, allowing for both centralized and local production at pressure, which results in significant savings on transport, storage, and compression costs. The scalability of the technology also allows for production volumes to range from industrial scale (hundreds of tonnes per day) to small modular units (hundred kg per day).

HiiROC's business model is based on leveraging its patented technology to tap into the burgeoning hydrogen fuel market, which is projected to be worth $2.5 trillion by 2050. The company's competitive edge lies in its ability to produce hydrogen at a fraction of the cost and energy of water electrolysis, and without the need for Carbon Capture, Usage and Storage (CCUS), which is a process used to capture and store or reuse carbon dioxide emissions.

In addition to hydrogen, HiiROC's process also creates a valuable, zero-emission by-product: Carbon Black, which can be sold for additional revenue.

In summary, HiiROC is a promising startup with a unique, patented technology that could revolutionize the hydrogen production industry, making it a potential key player in the transition towards a more sustainable, low-carbon economy.

Source: Dealroom company data

At a glance

Founded
2020
Headquarters
Hull, United Kingdom
Sector
Energy

Investors

10 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed2 investors entered at this stage

  • Aerospace Xelerated
  • Hull and East Yorkshire Local Enterprise Partnership

Series A6 investors entered at this stage

  • Kia Motors
  • Centrica Innovations
  • Hyundai Motor Company
  • VNG
  • Wintershall Dea
  • Melrose Industries

Series B and later2 investors entered at this stage

  • HydrogenOne Capital Growth
  • CEMEX Ventures
Team profiled 6 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 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.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇬🇧 United Kingdom92.1%
🇧🇬 Bulgaria7.9%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Hiiroc on X, ranked by likes and reposts, corporate channels excluded.

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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