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Thermopylae

Hawthorne, United States

pre-seed$1.6M raisedDefense TechDrones & UAVAviation Tech

◆ Total Raised

$1.6M

◆ Stage

pre-seed

◆ Location

Hawthorne, United States

◆ Founded

2025

◆ Team size

1-10

◆ About Thermopylae

Ukrainian-led interceptor drone startup building lightweight foldable quadcopters designed to counter low-cost drones and glide bombs.

◆ What sets it apart

It aims to make air defense economically sustainable by pairing a sub-$10,000 partially reusable interceptor with rapid-deployment launch and thermal guidance.

◆ Sectors

Defense TechDrones & UAVAviation TechRoboticsautonomous systems

◆ Business

Modelhardware

Customermilitaries, defense ministries, and frontline air defense operators

◆ Notable

  • Raised $1.6M in pre-seed funding
  • Built and demoed a working prototype
  • Secured initial backing from Founders, Inc.
  • Planning frontline testing in Ukraine

◆ Funding rounds

26 Nov 2025

Led by Naval Ravikant, UA1

With Norgard Capital, SGA Capital, Cyrus Ventures, Founders, Inc.

Source ↗

◆ Explore the market

◆ FAQ

What does Thermopylae do?

Ukrainian-led interceptor drone startup building lightweight foldable quadcopters designed to counter low-cost drones and glide bombs.

Where is Thermopylae based?

Thermopylae is based in Hawthorne, United States, founded in 2025.

How much has Thermopylae raised?

Thermopylae has raised $1.6M in tracked funding and is currently at the pre-seed stage.

Who has invested in Thermopylae?

Investors in Thermopylae include Naval Ravikant, UA1, Norgard Capital, SGA Capital, Cyrus Ventures and Founders, Inc..