How much funding has Theta Lake raised?

Theta Lake has raised $67.7M in total. Its most recent round was a Series B in March 2022.

How many people work at Theta Lake?

About 111, down 1% over the last 30 days.

Who are Theta Lake'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.

Theta Lake

Email & Messaging SecuritySan Mateo, United Statesfounded 2017private

Theta Lake is a cybersecurity company specializing in Email & Messaging Security, founded in 2017 and headquartered in San Mateo, United States. It has raised $67.7M in total funding, employs about 111 people, and is privately held.

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updated Aug 22, 2026

The record

What Theta Lake did, dated.

May 2026RecognitionNew certifications and patents strengthen Theta Lake
Mar 2026RecognitionTheta Lake's App Fingerprint Patent for Automated Video Oversight
Jan 2026RecognitionTheta Lake Tops Gartner DCGA Rankings with AI
Sep 2025Product launchTheta Lake and Cisco launch Webex Compliance Hub

selected events only — the full dated record (8 events since Sep 2025) lives in the platform

Momentum

35 out of 100.

Momentum blends hiring, funding, traffic and sentiment into one score, recomputed daily. The score is free; the pillars behind it unlock in the platform.

Growthlocked

Marketlocked

Financiallocked

Products

What Theta Lake sells.

Theta Lake Compliant Collaboration ArchiveAI-based archiving and eDiscovery for unified communications platformsDetails ↗

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 Theta Lake.

How much funding has Theta Lake raised?: Theta Lake has raised $67.7M in total. Its most recent round was a Series B in March 2022.
How many people work at Theta Lake?: About 111, down 1% over the last 30 days.
Who are Theta Lake'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.