How much funding has Sublime Security raised?

Sublime Security has raised $239.8M in total. Its most recent round was a Series C in October 2025.

How many people work at Sublime Security?

About 300, up 1% over the last 30 days.

Who are Sublime Security's competitors?

Egress, MX Layer, and Barracuda Networks, Inc. are among the closest in Email & Messaging Security. The full competitive set, with overlap scoring, is in the platform.

Sublime Security

Email & Messaging SecurityWashington, United Statesfounded 2019private

Sublime Security is a cybersecurity company specializing in Email & Messaging Security, founded in 2019 and headquartered in Washington, United States. It has raised $239.8M in total funding, employs about 300 people, and is privately held.

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updated Aug 22, 2026

The record

What Sublime Security did, dated.

Aug 2026Feature launchTailored Phishing Simulations from Sublime now in beta
May 2026RecognitionSublime Security Named to Rising in Cyber 2026 List of Top Cybersecurity Startups
Apr 2026PartnershipSublime Security Debuts First Partner Program To Boost Agentic Email Security In The Channel
Oct 2025Mega roundSublime Security Raises $150M in Series C Funding as Industry-First AI Agents Accelerate Growth

Momentum

52 out of 100.

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Growthlocked

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Products

What Sublime Security sells.

In the platform

The other 440 data points.

Funding historyevery round, every lead investor
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Email & Messaging Security

FAQ

Common questions about Sublime Security.

How much funding has Sublime Security raised?: Sublime Security has raised $239.8M in total. Its most recent round was a Series C in October 2025.
How many people work at Sublime Security?: About 300, up 1% over the last 30 days.
Who are Sublime Security's competitors?: Egress, MX Layer, and Barracuda Networks, Inc. are among the closest in Email & Messaging Security. The full competitive set, with overlap scoring, is in the platform.