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Tessian

Cybersecurity · Boston, United States · Founded 2013

Creates a human layer security that helps people work without security disruptions getting in the way

Valuation $500M–1B
Revenue $10–50M
Headcount <100
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Tessian and the history behind them.
Power Law Colt$25–100M revenue

Talent graph

Tessian's talent

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Employees mapped 41 incl. 7 AI specialists
Founders Hidden — book a demo/100 quality score
Key operators 28 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia 5 alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

22 investors on Tessian's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Seed 14 investors entered at this stage
Walking Ventures
Philipp Kobus
Amadeus Capital Partners
Keith Hyman
Tim Jackson
Crane Venture Partners
LocalGlobe
Accel
CyLon
Tom James
Steve Thompson
Winton Ventures
Ian Hamilton
Santiago Izaguirre
Series A 1 investor entered at this stage
Balderton Capital
Series B+ 7 investors entered at this stage
Sozo Ventures
Tech Nation
March Capital Partners
Latitude
Okta Ventures
Sequoia
Schroder Adveq

Tessian mafia

Startups founded by Tessian alumni

Former Tessian employees who went on to start their own companies. Sorted by Dealroom signal score.

ElevenLabsEst. 2022
Piotr DabkowskiUnited Kingdom
Signal score97
TracebitEst. 2022
Andy SmithUnited Kingdom
Signal score92
MazeEst. 2024
Harry WetheraldUnited Kingdom
Signal score91
DrivetrainEst. 2021
Tarkeshwar ThakurIndia
Signal score85
WorkflowEst. 2022
Paul Sanglé-FerrièreUnited Kingdom
Signal score71

Book a demo to explore the full alumni network →

Global footprint

Where Tessian has talent and traffic

Workforce by country
🇺🇸 United States · Boston HQ
Book a demo for the full country breakdown
Web traffic by country
4.4K monthly visits
across markets
🇺🇸 United States59.1%
🇬🇧 United Kingdom34.1%
🇮🇳 India6.8%
Top 3 markets shown

Market sentiment

What the market is saying about Tessian

An AI-synthesized read of the highest-engagement posts about Tessian on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.

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