Companies › Tessian

Tessian 🤖 AI Native

Technology 📍 London, United Kingdom 👥 201-500 employees 💰 $132.6M raised 📅 Founded 2013 🏷 TE

Tessian was acquired by Proofpoint. View the press release: https://www.proofpoint.com/us/newsroom/press-releases/proofpoint-closes-acquisition-tessian. To see what’s new, visit https://www.linkedin.com/company/proofpoint/. Tessian is a leading cloud email security platform that intelligently protects organizations a

📊 Company Overview

Sector
Technology
Country
United Kingdom
Employees
201-500
Public · TE
Listed
Founded
2013
Cloud
Unknown
Email
Proofpoint

☁️ Cloud Infrastructure

🔒 Subscribers only Cloud Provider
WorkspaceProofpoint
CDN🔒 Subscribers only

Detected via DNS records and HTTP response headers as of 2026-06-13.

💰 Estimated Cloud Spend

$3M $6M / year across cloud providers

🛠 Tech Stack & Marketing

Ad Platforms🔒 Subscribers only
Analytics & CRMMarketo
CMS / PlatformDrupal
Frontend Stack🔒 Subscribers only

Detected from Tessian's public homepage as of 2026-06-13.

🔍 Compare with Similar Companies

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Data detected 2026-06-13 · Methodology · Suggest a correction