September 2026
Largest EnergyTech Public Companies in the UK
Benchmark revenue and EBITDA valuation multiples for public comps like
Greencoat UK Wind, AFC Energy, Vertical Aerospace, Pri0r1ty Intelligence Gr and Proton Motor Power.
 | Greencoat UK Wind PLC is a renewable infrastructure fund, solely and fully invested in operating UK wind farms. The company aims to provide investors with an annual dividend that increases in line with RPI inflation. It also tries to preserve the capital value of its investment portfolio in the long-term on a real basis through reinvestment of excess cash flow and the prudent use of portfolio leverage. The company invests in both onshore and offshore wind farms. All of the group's income is generated within the UK. | $2 | +1% | $3.2B | $5.5B | (22.2x) | - | ||
| AFC Energy PLC is a provider of hydrogen fuel cell power systems to generate clean energy in support of the energy transition. The company’s scalable systems provide off-grid, zero-emission power that is already being deployed for rapid electric vehicle charging and the replacement of diesel generators for temporary power applications. it is also working with its partners in the deployment of products for the Maritime, Ports, Data Centers, and Rail industries, emphasizing the central role of its technology in the decarbonization of industry. | -- | -- | $234M | $200M | 1182.4x | (9.5x) | ||
| Vertical Aerospace Ltd is engaged in making air travel personal, on-demand, and carbon-free. The company is a world-wide aerospace and technology company that is pioneering electric aviation, focused on designing, manufacturing, and selling a zero operating emission eVTOL aircraft for use in the AAM market, using the technology from the aerospace, automotive, and energy industries. The VX4, Vertical's flagship aircraft, is a piloted electric vertical take-off and landing (eVTOL) vehicle capable of carrying four passengers. The Group operates as a single operating segment and one reporting segment, being the development and commercialization of eVTOL technology. | $1 | -88% | $103M | $162M | - | 0.6x | ||
| Pri0r1ty Intelligence Group PLC is an artificial intelligence (AI) driven, data-powered software as a service (SaaS) solution that aims to help businesses at various stages of their journey by creating efficiency through technology. Its objective is to assist SMEs by providing a combination of services derived from deep learning, data architecture and AI models. It is building a digital agent for automated business processes, whose underlying technology is Priority Advisor. This bespoke AI-powered advisory bot uses Deep Learning and can engage investors, customers or stakeholders either on a website, IM or email server. It will collect data on customer interactions to enrich the language model and build community interest maps that power content creation and additional support services. | $0 | -- | $3M | $3M | 12.6x | (0.2x) | ||
| Proton Motor Power Systems PLC and its subsidiaries are manufacturers of hydrogen fuel cells and fuel cell systems for mobile, maritime and stationary applications. It offers OEM fuel cell systems products, power supplies, and solar battery storage products. The company is organized into only the principal operating division, Green Energy. Its primary geographic markets are United Kingdom, Germany, Rest of Europe, and the rest of the world of which Europe generates the majority of its revenue. | $0 | -- | $2M | $187M | 65.1x | (20.6x) | ||
| Median | $0 | -44% | $103M | $187M | 38.9x | (4.9x) |
Financial data powered by FactSet and Morningstar. Valuation multiples as of current fiscal year. For more data, start your free trial here.
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