How Much Did Tessian Raise? Funding & Key Investors

Date
April 25, 2025
Tessian

Total amount raised

$132.6 Million

Latest funding date

09/01/2021

Tessian

Location

Title

LINKEDIN

http://www.tessian.com/
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Status
Verified
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Tessian has successfully raised funding over 10 rounds, with the latest being a Non-equity Assistance round. The company is backed by 24 investors, including notable names like Future Fifty and Citi Ventures.

Keep reading to explore the intricacies of Tessian's fundraising journey and the investors backing this innovative platform.

What Is Tessian?

Tessian, now part of Proofpoint, is a company based in London, England, specializing in Human Layer Security. The company operates in various industries, including Artificial Intelligence, Cyber Security, Email, Machine Learning, and Professional Services.

Founded with the mission to help people work without security disruptions, Tessian has grown to employ between 101-250 people. The company has successfully raised funding over 10 rounds and is backed by 24 investors.

How Much Funding Has Tessian Raised?

  1. Non-equity Assistance
    • Amount Raised: Not publicly disclosed
    • Date: September 2021
    • Lead Investors: Future Fifty
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To gain strategic support and resources without diluting equity.
  2. Series C
    • Amount Raised: USD 65,000,000
    • Date: May 2021
    • Lead Investors: March Capital
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To expand platform capabilities beyond email to secure other interfaces.
  3. Series C Follow-on
    • Amount Raised: GBP 6,500,000
    • Date: August 2021
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To further expand platform capabilities and secure additional interfaces.
  4. Series B
    • Amount Raised: USD 42,000,000
    • Date: January 2019
    • Lead Investors: Sequoia Capital
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To scale operations and enhance product offerings.
  5. Series A
    • Amount Raised: USD 13,000,000
    • Date: June 2018
    • Lead Investors: Accel, Balderton Capital
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To accelerate growth and expand market reach.
  6. Seed
    • Amount Raised: USD 2,700,000
    • Date: April 2017
    • Lead Investors: Accel, LocalGlobe
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To develop the initial product and enter the market.
  7. Seed
    • Amount Raised: GBP 300,000
    • Date: July 2016
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To support early-stage development and operations.
  8. Pre-seed
    • Amount Raised: GBP 217,000
    • Date: June 2015
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To fund initial research and development.
  9. Seed
    • Amount Raised: GBP 130,000
    • Date: April 2014
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To establish the company and begin product development.

Total Amount Raised: USD 122,000,000

Current Valuation: Not publicly disclosed

Key Investors

  • Future Fifty
    • Details: Future Fifty is a leading program that supports high-growth companies in the UK. It has been a significant investor in Tessian, participating in multiple funding rounds.
    • Investment Focus Areas: High-growth companies, technology, innovation.
    • Notable Investments: Not publicly disclosed.
  • Citi Ventures
    • Details: Citi Ventures is the venture capital arm of Citigroup, focusing on innovative solutions in financial services and technology. It has recently invested in Tessian.
    • Investment Focus Areas: Financial services, data analytics, enterprise technology.
    • Notable Investments: Not publicly disclosed.
  • Sequoia Capital
    • Details: Sequoia Capital is a renowned venture capital firm that invests in early and growth-stage companies. It has a history of backing successful tech companies.
    • Investment Focus Areas: Technology, healthcare, consumer services.
    • Notable Investments: Apple, Google, Airbnb.
  • Accel
    • Details: Accel is a global venture capital firm that invests in early and growth-stage technology companies. It has been a key investor in Tessian.
    • Investment Focus Areas: Software, internet, mobile.
    • Notable Investments: Facebook, Dropbox, Slack.
  • March Capital
    • Details: March Capital is a venture capital firm that focuses on innovative technology companies. It has invested in Tessian to help expand its platform capabilities.
    • Investment Focus Areas: Artificial intelligence, cybersecurity, enterprise software.
    • Notable Investments: CrowdStrike, SparkCognition.

What's Next for Tessian?

As Tessian looks to the future, the company is poised to capitalize on the growing need for cybersecurity solutions that address human error. With recent funding, Tessian plans to expand its platform beyond email to secure other interfaces like messaging, web, and collaboration platforms. This expansion represents a significant opportunity, given the increasing reliance on digital communication tools in remote and hybrid work environments.

Future fundraising opportunities appear promising, especially with the backing of strategic investors like Okta Ventures and Citi Ventures. These investments will likely support further development and market penetration. However, Tessian will need to navigate challenges such as competition from other cybersecurity firms and the rapidly evolving threat landscape. Ensuring minimal disruption to employees' workflow while implementing advanced security measures will be crucial for sustained growth.

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