Sublime Security key facts
as of Oct 2026- Developer an email security platform designed to write and run custom detection and response rules to block phishing attacks.
- Sublime Security is valued at approximately $948.0M as of Oct 2026 (last reported valuation).
- It has raised $239.8M; the latest was Later Stage VC ($150.0M) in Oct 2025.
- Notable investors include Index Ventures, Citi Ventures, Slow Ventures, SNR, Avenir Growth Capital — 26 tracked in total.
- Status: Privately Held (backing).
Sublime Security's last reported valuation, Oct 2025. Nothing priced has surfaced since.
- ·The complete investor list: 26 names
- ·Watch Sublime Security: the Monday email on marks, rounds and moves
Sublime Security funding rounds
No funding rounds for Sublime Security are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
Who backs Sublime Security
26+Membership and data by Private Market View
Sublime Security valuation
Sublime Security's last reported valuation was $948 million in Oct 2025. No priced round, secondary trade or fund mark has surfaced since.
Sublime Security investors
26 investors are on record for Sublime Security, including Index Ventures, Citi Ventures, Slow Ventures and SNR. By type, the record holds 7 venture capital firms, 1 private equity firm and 1 growth equity firm.
About Sublime Security
Developer an email security platform designed to write and run custom detection and response rules to block phishing attacks. The company's platform offers to use custom or open-source rules to detect contact impersonation, homoglyph attacks, and business email compromise, enabling clients to control their mailing activities.
- Sector
- Information Technology
- HQ
- Washington, DC, United States
- Founded
- 2019
- Employees
- 198
- Website
- sublime.security/
- Ownership
- Privately Held (backing)
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