newcleo vs X-energy
newcleo
Developing Lead Fast SMRs to provide the world with a safe, stable power source and reduce volumes of radioactive waste
576 employees · est. 2021 · Paris, France
X-energy
Delivering the next generation of advanced nuclear energy technology
1773 employees · est. 2009 · Rockville, United States
X-energy is the older company (2021 vs 2009); X-energy is the larger of the two.
3 signals in the last 90 days
Side-by-Side Comparison
| Metric | newcleo | X-energy |
|---|---|---|
| Founded | ||
| Founded | 2021 | 2009 older |
| Headquarters | ||
| Headquarters | Paris, France | Rockville, United States |
| Employees | ||
| Employees | 576 | 1773 larger |
| Industry | ||
| Industry | Energy, Clean Energy | Energy, Renewable Energy, Clean Energy |
| Funding Stage | ||
| Funding Stage | Not tracked yet | Series C 1 |
| Total Funding | ||
| Total Funding | $648.00M | $2.78B |
| Funding Rounds | ||
| Funding Rounds | 5 | 12 |
| Services | ||
| Services | data analysis, user behavior tracking, privacy and consent management | Not tracked yet |
| Target Customers | ||
| Target Customers | website administrators, businesses with online presence, companies interested in data-driven decisions | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Lead-Cooled Fast ReactorsSmall Modular ReactorsNuclear Energy InnovationClosed Nuclear Fuel CycleMixed Oxide Fuel ManufacturingRadioactive Waste Recycling +9 | Advanced Nuclear EnergyCarbon-free EnergyNuclear Power InnovationClean Energy TechnologyNuclear Fuel ManufacturingMeltdown Prevention +7 |
| Website | ||
| Website | newcleo.com | x-energy.com |
About newcleo
newcleo, founded in 2021 and headquartered in France, is rapidly emerging as a leader in the nuclear energy sector. Their slogan, "Developing Lead Fast SMRs to provide the world with a safe, stable power source and reduce volumes of radioactive waste," encapsulates their innovative approach. The com...
About X-energy
X-energy, founded in 2009, is at the forefront of revolutionizing the energy landscape with its cutting-edge advanced nuclear technology. The company's mission, encapsulated in its slogan "Delivering the next generation of advanced nuclear energy technology," aims to contribute to a carbon-free futu...
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Compiled from the BounceWatch company index. We last looked at newcleo on 2 Mar 2026, and X-energy on 12 Sep 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
