About Space & Satellite Defense
The Space & Satellite Defense category is part of the Defense Tech market map, tracking 13 companies building in this segment. Complete defense tech market map for 2026. Autonomous systems, ISR, cybersecurity, space defense, and logistics startups transforming modern defense and intelligence, with funding rounds and HQ locations. Curated by Hartmann Capital's venture research team.
Companies in Space & Satellite Defense
- SpaceX — Late Stage, $12B
- Rocket Lab — Public
- True Anomaly — Series C, $400M
- Slingshot Aerospace — Series B, $85M
- Impulse Space — Series C, $225M
- York Space Systems — Series C, $155M
- L3Harris Technologies — Public
- Apex — Series B, $165M
- Fortastra — Seed, $8M
- Atomos Space — Series A, $16M
- Astranis — Series D, $728M
- Relativity Space — Series E, $1.3B
- Orbital Guardians — Seed
Frequently Asked Questions
- What companies are in the Space & Satellite Defense category?
- The Space & Satellite Defense category includes 13 companies: SpaceX, Rocket Lab, True Anomaly, Slingshot Aerospace, Impulse Space, York Space Systems, L3Harris Technologies, Apex, Fortastra, Atomos Space, Astranis, Relativity Space, Orbital Guardians. This is part of the Defense Tech market map maintained by Hartmann Capital.
- How many Space & Satellite Defense startups are tracked?
- Hartmann Capital tracks 13 companies in the Space & Satellite Defense segment of the Defense Tech market map.
- What are the best funded Space & Satellite Defense companies?
- Top funded companies in Space & Satellite Defense include SpaceX ($12000M), Relativity Space ($1340M), Astranis ($728M), True Anomaly ($400M), Impulse Space ($225M). Browse the full list in the Defense Tech market map.
- How can I submit my startup?
- You can submit your startup for inclusion by visiting the submission page. Submissions are reviewed by Hartmann Capital's research team.