Verified Nov 2026
Powertrain & Drivetrain
·
El Segundo, California
·
Since 2023
Valar Atomics is a nuclear energy company founded in 2023 and headquartered in El Segundo, California. It develops high-temperature gas reactors designed for mass manufacture, aimed at supplying power, hydrogen, and synthetic fuels to heavy industry and data centers. The company is estimated to employ between 100 and 200 people and is privately held. Its recent development includes a reported $1 billion Series B round led by Sequoia in August 2026, and it is building a test reactor in Utah.
Valar Atomics at a glance
Revenue
<$10M
Est. band
Employees
100-200
Founded
2023
Headquarters
El Segundo, California
Industries
Automotive
Electric Vehicles
Renewable Energy
Industrial Equipment
Aerospace
Overview
Valar Atomics is a nuclear energy company founded in 2023 and headquartered in El Segundo, California. It develops high-temperature gas reactors designed for mass manufacture, aimed at supplying power, hydrogen, and synthetic fuels to heavy industry and data centers. The company is estimated to employ between 100 and 200 people and is privately held. Its recent development includes a reported $1 billion Series B round led by Sequoia in August 2026, and it is building a test reactor in Utah.
At a glance
Attribute | Detail |
|---|---|
Founded | 2023 |
Headquarters | El Segundo, California |
Employees | 100-200 |
Revenue | <$10M (estimated) |
Primary capability | Powertrain & Drivetrain |
What Valar Atomics makes
Valar Atomics is developing high-temperature gas reactors built on TRISO fuel, and its web-listed products include LED and steel items.
Products and capabilities described on the company's own site include LED, Steel (source: valaratomics.com).
Latest developments
2026-10-30 — Valar Atomics plans a fleet of Utah nuclear reactors, without public hearings so far (sltrib.com)
2026-09-18 — Valar Atomics secures land agreement for Carbon County project - ETV News (etvnews.com)
2026-08-04 — Announcing our $1B Series B Led By Sequoia | Valar Atomics (valaratomics.com)
2026-08-04 — Microreactor startup Valar Atomics raises $1B | Canary Media (canarymedia.com)
2026-08-03 — Sequoia's Shaun Maguire leads $1B round for nuclear startup Valar Atomics | TechCrunch (techcrunch.com)
2025-11-18 — Los Alamos National Laboratory and Valar Atomics Announce Project NOVA Criticality Milestone in Nevada | Valar Atomics (valaratomics.com)
Company details
The company is privately held, has an estimated revenue below $10 million, and targets sectors such as aviation, shipping, and AI data centers. Valar Atomics was founded in 2023, has an estimated 100-200 employees, and is headquartered in El Segundo, California.
Frequently asked questions
What does Valar Atomics make?
Valar Atomics is a nuclear energy company founded in 2023 and headquartered in El Segundo, California. It develops high-temperature gas reactors designed for mass manufacture, aimed at supplying power, hydrogen, and synthetic fuels to heavy industry and data centers. The company is estimated to employ between 100 and 200 people and is privately held. Its recent development includes a reported $1 billion Series B round led by Sequoia in August 2026, and it is building a test reactor in Utah.
Where is Valar Atomics headquartered?
Valar Atomics is headquartered in El Segundo, California.
When was Valar Atomics founded?
Valar Atomics was founded in 2023.
How big is Valar Atomics?
Valar Atomics has an estimated 100-200 employees, with revenue in the <$10M range (estimated).
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Last verified Nov 2026. Is this your company? Request a correction.
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