# Castelion

**Source:** https://www.startuphub.ai/startups/castelion
**Profile type:** Startup

> Defense startup mass-producing affordable hypersonic missile systems for the U.S. military, founded by ex-SpaceX engineers.

## About

Castelion designs, tests, and manufactures next-generation military systems at massive scale to deter future wars. They build hardware optimized for cost, manufacturability, and rapid deployment, focusing on affordable hypersonic weapons. Castelion serves national security needs by preserving peace through credible, non-nuclear deterrence.

## Key facts

- **Slug:** castelion
- **Website:** https://www.castelion.com
- **Location:** El Segundo, United States
- **Founded:** 2022
- **Employees:** 100
- **Operating status:** Active
- **Total funding:** $50M
- **Sectors / tags:** Defense, Hypersonic, Missiles, Aerospace, Defense Tech, Hypersonic Weapons, Advanced Manufacturing, Missile Systems

## Frequently asked

### What does Castelion do?

Castelion designs, tests, and manufactures next-generation military systems at massive scale to deter future wars. They build hardware optimized for cost, manufacturability, and rapid deployment, focusing on affordable hypersonic weapons. Castelion serves national security needs by preserving peace through credible, non-nuclear deterrence.

### How much funding has Castelion raised?

Castelion has raised a total of $50M in funding. The most recent round on record is Series A.

### Where is Castelion headquartered?

Castelion is headquartered in El Segundo, United States.

### When was Castelion founded?

Castelion was founded in 2022.

### What industry does Castelion operate in?

Castelion operates in Defense, Hypersonic, Missiles, Aerospace, Defense Tech, Hypersonic Weapons.

### How many employees does Castelion have?

Castelion has approximately 100 people on record.

### What is Castelion's revenue?

StartupHub estimates Castelion's annual revenue at $55.2M (range $41.1M to $76.1M, 66% confidence), based on comparable companies in the sector.

### What is Castelion's valuation?

StartupHub estimates Castelion's effective valuation at $193.2M (range $125.0M to $300.0M, 10% confidence), based on comparable companies in the sector.

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