Tessian Overview

  • Year Founded
  • 2013

Year Founded

  • Status
  • Acquired/​Merged

  • Employees
  • 74

Employees

  • Latest Deal Type
  • Buyout/​LBO

  • Financing Rounds
  • 15

  • Investments
  • 1

Tessian General Information

Description

Developer of a cloud email security platform designed to detect and prevent inadvertent data loss. The company's platform uses machine intelligence to prevent sensitive emails from being sent to the wrong people with minimal end-user disruption, enabling its users to secure their email networks against various types of data security threats, such as misaddressed emails, data loss, and non-compliance.

Contact Information

Website
www.tessian.com
Formerly Known As
Quiver Software, CheckRecipient, Recipicheck
Ownership Status
Acquired/Merged
Financing Status
Private Equity-Backed
Corporate Office
  • 15 Worship Street
  • 4th Floor
  • London EC2A 2DT
  • England, United Kingdom
Primary Industry
Network Management Software
Acquirer
Proofpoint
Vertical(s)
Cybersecurity, SaaS, Artificial Intelligence & Machine Learning
Corporate Office
  • 15 Worship Street
  • 4th Floor
  • London EC2A 2DT
  • England, United Kingdom

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Tessian Valuation & Funding

Deal Type Date Amount Valuation/
EBITDA		 Post-Val Status Debt

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Tessian Comparisons

Description
Primary
Industry
HQ Location
Employees
Total Raised
Post Valuation
Last
Financing
Details
Developer of a cloud email security platform designed to detect and prevent inadvertent data loss. The company's platfor
Network Management Software
London, United Kingdom
74 As of 2025

Hem, France
 

Sunnyvale, CA
 
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Tessian Competitors (47)

One of Tessian’s 47 competitors is Vade, a Private Equity-Backed company based in Hem, France.

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
Vade Private Equity-Backed Hem, France
Cloudmark Formerly VC-backed Sunnyvale, CA
GuruCul Corporation El Segundo, CA
Exabeam Private Equity-Backed Broomfield, CO
Lookout Venture Capital-Backed Boston, MA
You’re viewing 5 of 47 competitors. Get the full list »

Tessian Patents

  • 3

    Total Documents Applications and Grants

  • Total Patents Families

  • 2

    Granted

  • Pending

  • Expiring in next 12 mo

Tessian Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
EP-3553674-A1 Method for recipient address selection Inactive 11-Apr-2018
US-10868787-B2 Method for recipient address selection Active 11-Apr-2018
US-20190319908-A1 Method for recipient address selection Active 11-Apr-2018 G06F40/274

Tessian Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

Similarweb Unique Visitors

Majestic Referring Domains

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Tessian Former Investors

Investor Name Investor Type Holding Investor Since Participating Rounds Contact Info

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Tessian Investments (1)

Tessian’s most recent deal was a Seed Round with StackOne. The deal was made on 02-Jun-2023.

Company Name Deal Date Deal Type Deal Size Industry Lead Partner
StackOne 02-Jun-2023 Seed Round Business/Productivity Software
To view Tessian’s complete investments history, request access »

Tessian FAQs

  • When was Tessian founded?

    Tessian was founded in 2013.

  • Where is Tessian headquartered?

    Tessian is headquartered in London, United Kingdom.

  • What is the size of Tessian?

    Tessian has 74 total employees.

  • What industry is Tessian in?

    Tessian’s primary industry is Network Management Software.

  • Is Tessian a private or public company?

    Tessian is a Private company.

  • What is Tessian’s current revenue?

    The current revenue for Tessian is .

  • How much funding has Tessian raised over time?

    Tessian has raised $128M.

  • Who are Tessian’s investors?

    Accel, Amadeus Capital Partners, , Balderton Capital, and Citi Ventures are 5 of 36 investors who have invested in Tessian.

  • Who are Tessian’s competitors?

    Vade, Cloudmark, GuruCul, Exabeam, and Lookout are some of the 47 competitors of Tessian.

  • When was Tessian acquired?

    Tessian was acquired on 19-Dec-2023.

  • Who acquired Tessian?

    Tessian was acquired by Proofpoint.

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