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Series A Nuclear Companies

Explore 8 nuclear startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
8
Total Funding
$1.3B
Avg Funding
$159.8M
Cities
8

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Misawa, Japan
$28.8M
raised

Miresso is a startup firm that offers production of beryllium, and nuclear fusion power generation services through natural resources.

Aug 2025
Series A

Founder Contacts

30,000+ verified contacts

Cambridge, United States
$33.0M
raised

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

Feb 2026
Series A

Founder Contacts

30,000+ verified contacts

Phoenix, United States
$10.5M
raised

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

Sep 2025
Series A

Founder Contacts

30,000+ verified contacts

Lexington, United States
$46.3M
raised

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

May 2025
Series A

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands
$17.5M
raised

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

Mar 2025
Series A

Founder Contacts

30,000+ verified contacts

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Oak Ridge, United States
$140.0M
raised

Standard Nuclear manufactures advanced nuclear fuel for next-generation reactors and high-temperature applications.

Jan 2026
Series A

Founder Contacts

30,000+ verified contacts

Fremont, United States
$1.0B
raised

Pacific Fusion focuses on renewable energy generation, emphasizing affordable fusion power inspired by nature.

Oct 2024
Series A

Founder Contacts

30,000+ verified contacts

Osaka, Japan
$2.6M
raised

EX-Fusion is a laser fusion company that develops commercial laser based nuclear fusion reactor for power generation.

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

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8 Recently Funded Nuclear Series A Startups (July 2026) | VCBacked