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Nuclear Startups

Updated July 2026

Companies in the nuclear sector developing innovative solutions and technologies.

Explore 69 recently funded nuclear companies with verified founder contact information and fundraising data.

Total Companies
69
Total Funding
$745.8M
Avg Funding
$29.8M
Global Reach
6
countries

Top Cities for Nuclear

Stuart
Denver
Anchorage
San Francisco
Paris
Palm Beach Gardens

Recently Funded Companies

Export
Stuart, United States

Base Molecular Resonance Technologies develops detection systems based on quantum-level particle interaction.

$5.0M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Denver, United States

Atomos Space is an aerospace company building and developing orbital transfer vehicles.

Mar 2023

Founder Contacts

30,000+ verified contacts

Anchorage, United States

Co-located nuclear power plants to unlock the next 1,000 years of advanced industry.

$8.3M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Eos Atomics develops compact negative-ion neutral beam injectors with lower heat.

$800K raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Paris, France

Jimmy develops and operates thermal generators that supply industrial facilities with process heat produced through nuclear fission.

$46.5M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Paris, France

Newcleo is an atomic energy company that focuses on developing advanced nuclear energy technologies.

$88.6M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Palm Beach Gardens, United States

Ampera is a clean energy company that offers fusion-powered, subcritical breeder reactor system for nuclear energy for the AI era.

$20.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Idaho Falls, United States

NuCube is an innovative technology company designing a revolutionary nuclear fission reactor.

$16.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Cambridge, United States

Alva Energy is a startup focused on accelerating nuclear power deployment through efficient project management.

$33.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Providence, United States

Project Omega is a Rhode Island-based nuclear startup that converts spent nuclear fuel into compact, long-lasting batteries.

$12.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Berkeley, United States

Deep Fission is transforming the energy landscape by installing modular nuclear power reactors a mile deep.

$80.0M raised
Feb 2026

Founder Contacts

30,000+ verified contacts

Chantilly, United States

Fusion energy company developing tritium-free pulsed impact fusion for simple, unlimited and clean energy for the world.

Feb 2025

Founder Contacts

30,000+ verified contacts

Phoenix, United States

Nuclearn is a software company delivering AI solutions for automating Nuclear Industry tasks.

$10.5M raised
Sep 2025

Founder Contacts

30,000+ verified contacts

Austin, United States

Aalo Atomics manufactures and develops nuclear power plants for clean energy production.

$100.0M raised
Aug 2025

Founder Contacts

30,000+ verified contacts

Berkeley, United States

Deep Isolation develops and commercializes technology to safely dispose of nuclear waste using deep horizontal boreholes.

$33.0M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Grenoble, France

Stellaria is reimagining sustainable rapid neutron nuclear energy.

$26.7M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Oakville, Canada

Terrestrial Energy is a developer of a reactor power plant technology to provide carbon-free energy for the global industry.

$25.8M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Lexington, United States

The Nuclear Company is a fleet-scale nuclear deployment firm that offers for nuclear sectors.

$46.3M raised
May 2025

Founder Contacts

30,000+ verified contacts

Washington, United States

Zeno is developing next-generation radioisotope power systems that generate carbon-free, resilient power for decades.

$50.0M raised
May 2025

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands

Thorizon develops and deploys cutting-edge technology for molten salt reactors.

$17.5M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Valencia, United States

Nusano is a physics firm that produces radioisotopes, tiny tracers doctors use to diagnose and cure cancer and other ailments.

$115.0M raised
Oct 2024

Founder Contacts

30,000+ verified contacts

Aix-en-provence, France

Blue Capsule Technology is a nuclear power company that develops advanced innovative reactors to produce industrial-grade heat.

$2.2M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Washington, United States

Curio is a nuclear electric power generation company that develops nuclear waste recycling technologies.

$7.5M raised
Apr 2024

Founder Contacts

30,000+ verified contacts

Falmouth, United Kingdom

Enterprise 3D Visualisation

$637K raised
Mar 2024

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

SAINUC is a modular nuclear power (SMR - Small Modular Reactor) research and development company.

$500K raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Showing 26 to 50 of 69 companies

About the Nuclear Startup Ecosystem

The nuclear sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Nuclear

Nuclear companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The nuclear sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Nuclear Funding Breakdown

Here is how funding is distributed among the 69 nuclear companies tracked in the VCBacked database.

Average Funding
$29.8M
Total Funding Tracked
$745.8M
Countries Represented
6

Distribution by Funding Stage

Other25 companies

Top Cities for Nuclear

1.Paris
2 companies$135.2M
2.Berkeley
2 companies$113.0M
3.Washington
2 companies$57.5M
4.Stuart
1 companies$5.0M
5.Denver
1 companiesUndisclosed

Related Industries

Companies in the nuclear sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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