Onebrief
YC S21Honolulu, US · Founded 2019 · 200 employees · 6 known investors
Onebrief develops software designed for military and defense organizations, enabling real-time collaboration and knowledge access for command and operational teams. The product integrates processes with real-time updates for defense and government use cases.
Founders & leadership· Y Combinator alumni (S21)
Grant DemareeinFounder
Rafa Pereirain𝕏Founder
Investors · 6
In the news
- Onebrief Raises $200M in Series D Funding; Acquires Battle Road Digitalfinsmes.com · 2026
- Onebrief raises $200M at $2.15B valuation, acquires Battle Road Digital - SiliconANGLEsiliconangle.com · 2026
- Defense tech firm Onebrief valued at over $2 billion in latest funding roundfinance.yahoo.com · 2026
- Defense Tech Unicorn Onebrief Raises $200M, Acquires Seed Startup As VC Funding For Military-Related Tech Surgesnews.crunchbase.com · 2026
- Check out the exclusive pitch deck defense tech startup Onebrief used to raise new cash at a $1.1 billion valuationbusinessinsider.com · 2025
- Defense tech startup Onebrief hits $1.1b valuationaxios.com · 2025
- General Catalyst Backs War Planning Software Startup At $650 Million Valuationforbes.com · 2025
- Onebrief - 2026 Funding Rounds & List of Investors - Tracxntracxn.com · 2021