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Venture - Series Unknown Nuclear Companies

Explore 19 nuclear startups that raised venture - series unknown funding. Access verified founder contact information and fundraising data.

Total Companies
19
Total Funding
$1.6B
Avg Funding
$86.8M
Cities
16

Export 19 Venture - Series Unknown Nuclear Companies

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Cambridge, United States
$620K
raised

Apollo Atomics is the developer of a nuclear technology designed to provide sustainable power and to meet energy demands with deployment.t.

Sep 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Washington, United States
$3.6M
raised

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

Aug 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Cambridge, United States
$1.0B
raised

Commonwealth Fusion Systems designs and develops commercial fusion energy systems to produce clean energy.

Jul 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Idaho Falls, United States
$16.0M
raised

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

Jul 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Kastrup, Denmark

Copenhagen Atomics is a manufacturer of thorium reactors.

Jul 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Kastrup, Denmark
$380.0M
raised

Blue Energy is a nuclear power plant company that provides reliable, clean, and abundant electricity.

Jul 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Hongo, Japan
$2.1M
raised

Blossom Energy is a manufacturing company that develops advanced nuclear reactors that can produce clean energy.

May 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Aix-en-provence, France
$19.7M
raised

Otrera provides customizable solutions for delivering low-carbon energy to industries and local communities.

May 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Tempe, United States
$2.9M
raised

Fusion Energy Solutions is a customizable research and development facility.

Apr 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Yarnton, United Kingdom
$25.0M
raised

First Light Fusion is an energy company that focuses on researching energy generation by inertial confinement fusion.

Apr 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Francisco, United States
$9.9M
raised

Hadron Energy is a manufacturing company that specializes in Micro Nuclear Reactor (MNR) development, design, and research services.

Apr 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Geel, Belgium
$11.1M
raised

Magics Technologies is a nuclear research center that develops autonomous machines for sustainable energy sources.

Apr 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$50.0M
raised

General Matter is a nuclear energy company that produces enriched uranium fuel for nuclear energy applications.

Apr 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Denver, United States

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

Mar 2023
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Palm Beach Gardens, United States
$20.0M
raised

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

Feb 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Berkeley, United States
$33.0M
raised

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

Jul 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Oakville, Canada
$25.8M
raised

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

Jul 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Annapolis, United States

Elementl Power is an energy company that specializes in nuclear development services with a focus on clean energy infrastructure.

Jan 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden
$50.0M
raised

small modular reactors, clean energy, deep tech

Dec 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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