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Explore: Defense Tech · Robotics · Pre-Seed · United States

Thermopylae

pre-seed · 🇺🇸 Hawthorne, United States · Founded 2025

Website

Ukrainian-led interceptor drone startup building lightweight foldable quadcopters designed to counter low-cost drones and glide bombs. Thermopylae is a deeptech, defense and drone startup based in Hawthorne, United States, founded 2025, at pre-seed stage, with $1.6M raised to date.

Thermopylae is tracked live on Scout, Fusion42's database of newly funded startups — its profile updates as new rounds, backers and Wire analysis land.

Total raised

$1.6M

Stage

pre-seed

Business model

hardware

Target customer

militaries, defense ministries, and frontline air defense operators

Sectors

deeptechdefensedronedefense techaerospaceautonomous systemsrobotics

Key investors

Naval Ravikant, UA1, Norgard Capital, SGA Capital, Cyrus Ventures, Founders, Inc.

Team enrichment — names, roles, LinkedIn, X and email where availableSign in to view

Frequently asked questions

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..