Tessian
12 known investors
Tessian provides AI-powered email security solutions that detect and prevent email-based cyberattacks and data loss for enterprises. The platform combines behavioral detection technology with data loss prevention capabilities to protect organizations against threats targeting the human layer of security.
AI & Machine LearningCybersecurityEnterprise Software
Founders & leadership
TS
Tim SadlerFounder & CEO
EB
Edward BishopinCo-founder & CTO (Acquired by Proofpoint)2012–2024
Investors · 12
AccelPalo Alto · $1.6M – $70M
Balderton CapitalLondon · $5M – $50M
CyLon VenturesWitney
ForgePoint CapitalSan Mateo · $5M – $50M
FraserBerlin
March Capital PartnersSanta Monica
Sozo VenturesRedwood City
TempoCapLondon
Walking VenturesLondon · $650K – $1.3M
Blossom CapitalreportedLondon
Crane Venture PartnersreportedLondon · $750K – $3M
Sequoia CapitalreportedMenlo Park · $4.4M – $214M
Founder mafia
5 people who came through Tessian went on to found or lead other companies.
Competitors · 6
by search overlapillusive networks18 shared keywordsProofpoint offers a suite of enterprise security and compliance products that protect people, email, cloud apps, and data from human-centric cyber threats using machine learning and AI. Its tools also cover data loss prevention, communications archiving, e-discovery, compliance supervision, identity threat detection, and security awareness training.
Check Point Software10 shared keywordsCheck Point Software Technologies is a cybersecurity company providing security products and solutions. This page is its investor relations section, containing annual reports, SEC filings, financial results, and corporate governance information.
StatusGator9 shared keywordsStatusGator monitors the status of 9,600+ cloud services, SaaS tools, and websites, sending outage notifications and Early Warning Signals to IT and DevOps teams. It aggregates third-party service status and internal infrastructure monitoring into unified, customizable status pages that integrate with tools like Slack and helpdesks.
Bitglass8 shared keywordsForcepoint is a cybersecurity company focused on data protection, offering a platform of security solutions to safeguard data for customers worldwide. This page is a careers/work-with-us section describing the company's culture, values, and employee benefits.
Proof7 shared keywordsProof provides online notarization and identity verification tools to establish trust for agreements and records executed remotely. It serves businesses and consumers across all 50 U.S. states with digital notarization products.
StatusPage5 shared keywordsStatuspage provides incident communication software that enables companies to notify users and employees about service status and incidents in real time. The platform integrates with monitoring, alerting, and help desk tools to support incident response workflows across DevOps, support, and marketing teams.
Companies competing with Tessian for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Tessian do?
- Tessian provides AI-powered email security solutions that detect and prevent email-based cyberattacks and data loss for enterprises. The platform combines behavioral detection technology with data loss prevention capabilities to protect organizations against threats targeting the human layer of security.
- Who founded Tessian?
- Tessian was founded by Tim Sadler, Edward Bishop.
- Who are Tessian's investors?
- Tessian's investors include Accel, Balderton Capital, CyLon Ventures, ForgePoint Capital, Fraser, March Capital Partners, Sozo Ventures, TempoCap and 4 more.