Hermeus

Hermeus is developing Mach 5+ hypersonic aircraft for defense and commercial applications using turbine-based combined cycle engines. Raised $100M+ total; Air Force contracts for Quarterhorse hypersonic drone and Darkhorse demonstrator; testing turbine engines at Mach 5+ speeds in 2024.

The venture-backed leader in hypersonic aircraft, aiming to deliver rapid global strike and reconnaissance capabilities with reusable platforms.

hermeuscorp.com Hypersonics & Advanced Air Mobility

United Statesprivate

At a glance

Total raised

$466M

last round series c

Headcount

201-500

approximate · public range

Headquarters

Atlanta

United States

Founded

2018

8 years active

Status

Private

Hypersonics & Advanced Air Mobility

Latest valuation

For subscribers

Subscribe to see the full profile

Including Funding rounds, Bull / Bear thesis, Stock + earnings, Roster changes, Patents, News, and Open roles.

Already subscribed? Sign in →

Date	Stage	Amount	Valuation	Lead investors
Apr 7, 2026	Series C	$350M	$1B	Khosla Ventures
Mar 10, 2022	Series B	$100M	—

Hermeus

At a glance

Subscribe to see the full profile

Funding history

Founder backgrounds

AJ Piplica

AI bull / bear

In the news

Watch

Leadership

Products

Quarterhorse

Darkhorse

Open roles

Compare Hermeus with