Key facts
- Helmet Security’s last known valuation is $18.2M (Dec 2025).
- It has raised $9.0M across 1 recorded rounds; the latest was Early Stage VC ($6.7M) in Nov 2025.
- Notable investors include SYN Ventures, WhiteRabbit Ventures.
- Status: Privately Held (backing).
Investors
2- ·Post-money valuations for all 1 rounds
- ·The complete investor list — 2 names
- ·Watchlist + deal alerts for Helmet Security
Funding rounds
1 roundsAbout Helmet Security
Developer of an end-to-end security platform designed to protect enterprises from rapidly evolving agentic AI communications. The company's platform integrates with existing endpoint detection and response tools to provide instant, installation-free visibility into where and how model context protocol connections are operating across business systems, enabling enterprises to adopt with agentic AI safely over the long term.
- Sector
- Information Technology
- HQ
- Washington, DC, United States
- Founded
- 2024
- Employees
- 3
- Website
- helmetsecurity.com/
- Ownership
- Privately Held (backing)
Helmet Security doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Helmet Security shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Helmet Security in its N-PORT filings yet. We sweep new filings monthly.