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Newcleo

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Developing a new industrial standard of clean, safe and inexhaustible energy production from Nuclei

Lyon, FranceFounded 2021Energy
Valuation $2.40B Market cap · 2026
Revenue $50–100M Latest reported FY
Total funding $500M–1B Disclosed equity funding

About Newcleo

Newcleo is a company that designs and builds the next generation of nuclear reactors, the lead-cooled fast reactors (LFRs) fuelled with MOX. These reactors are an innovative way to provide the world with a safe and stable power source while reducing volumes of nuclear waste. This type of nuclear technology has recently been included within the perimeter of the EU Taxonomy of environmentally sustainable economic activities, by the EU Commission.

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Newcleo is different from other businesses in the same industry because of the key characteristics of their projects. These include the use of lead fast reactors and the use of MOX. They are also looking to recruit talented people to join their growing community of energy innovators, so they can continue to innovate and create new solutions for global decarbonisation.

Newcleo is a profitable business that is making a difference in the world. They are helping to reduce the impacts of climate change and are providing a safe and reliable energy source. This is helping to create a better future for everyone.

Source: Dealroom company data

At a glance

Founded
2021
Headquarters
Lyon, France
Listing
Public via SPAC 2026
Sector
Energy
Power Law
Unicorn$1–10B valuation tierColt$25–100M revenue

Investors

19 investors on the cap table

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

Seed4 investors entered at this stage

Series A14 investors entered at this stage

  • Banca Patrimoni Sella & C
  • Claudio Costamagna
  • Azimut Group
  • Walter Tosto
  • Ingérop
  • Inarcassa
  • Cementir Holding
  • NextChem
  • Indaco Venture Partners
  • Kairos
  • CERN Pension Fund
  • Danieli & C.
  • Azimut Investments
  • Orion Valves

Series B and later1 investor entered at this stage

  • NewHold Investment Corp III
Employees mapped 614 incl. 1 AI specialist
Founders Hidden — book a demo/100 quality score
Key operators 19 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
18 countries with
team presence
🇫🇷 France47.4%
🇮🇹 Italy42.9%
🇬🇧 United Kingdom5.5%
🇨🇭 Switzerland0.8%
🇺🇸 United States0.6%
Top 5 of 18 shown
Web traffic by country
22K monthly visits
across markets
🇮🇹 Italy32.3%
🇫🇷 France23.2%
🇬🇧 United Kingdom14.5%
🇺🇸 United States14.1%
🇨🇭 Switzerland7.3%
Top 5 markets shown

Patents

Estimated portfolio value
$17M

19 active patent families included in this estimate.

A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.

Explore the patent portfolioPatent records, technology areas and peer comparisonsBook a demo

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Newcleo 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

See Newcleo on the full Dealroom platform

Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.