OverviewSuggest Edit

Tessian is a company that develops machine-intelligent technology. Its solution performs an automatic analysis of emails in order to keep an enterprise secure by automatically preventing misaddressed emails and other forms of data loss. It implements ethical walls and project boundaries between groups of email users as well as meets customers' client security requirements.

TypePrivate
Founded2013
HQLondon, GB
Websitetessian.com
Employee Ratings4.5

Latest Updates

Employees (est.) (Jan 2021)148
Cybersecurity ratingBMore

Key People/Management at Tessian

Sabrina Castiglione

Sabrina Castiglione

Chief Financial Officer
Tim Sadler

Tim Sadler

Co-Founder & Chief Executive Officer
Ed Bishop

Ed Bishop

Co-founder & Chief Technology Officer
Nicolas Draca

Nicolas Draca

Chief Marketing Officer
Paige Rinke

Paige Rinke

People Director
Aaron Cote

Aaron Cote

Vice President of Global Sales
Show more

Tessian Office Locations

Tessian has offices in London, New York and San Francisco
London, GB (HQ)
3 Finsbury Ave
New York, NY, US
313 Park Ave S
San Francisco, CA, US
535 Mission St 14th floor, San Francisco
Show all (3)

Tessian Financials and Metrics

Summary Metrics

Founding Date

2013

Tessian total Funding

$58.6 m

Tessian latest funding size

$42 m

Time since last funding

2 years ago

Tessian investors

Tessian's latest funding round in February 2019 was reported to be $42 m. In total, Tessian has raised $58.6 m
Show all financial metrics

Tessian Revenue

Cash (31-Mar-2019)

30.5m
GBPFY, 2015FY, 2016FY, 2018FY, 2019

Cash

73.0k169.2k9.9m30.5m

Accounts Receivable

5.9k698.1k1.4m

Current Assets

78.9k172.6k11.0m33.2m
FY, 2015

Financial Leverage

1 x
Show all financial metrics

Tessian Cybersecurity Score

Cybersecurity ratingPremium dataset

B

88/100

SecurityScorecard logo

Tessian Online and Social Media Presence

Embed Graph

Tessian News and Updates

Tessian debuts its Human Layer Security Intelligence platform

Security firm Tessian Ltd. is launching a new tool to help companies assess the risk posed to their computer systems and data from current and former employees. Tessian’s Human Layer Security Intelligence platform also helps reduce the risk of accidental data loss, data exfiltration and advanced im…

London startup Tessian raised $42 million from Sequoia using this 1 pitch deck slide — and it's just a photo of the founders in their London flat

London startup Tessian has raised funding from some of the biggest names in VC including Accel and Sequoia.  The company's $42 million Series B earlier this year was partly successful because Sequoia Capital were impressed by Tessian's pitch deck and one slide of it in particular.  "The grit of th…

Hill Dickinson selects email DLP tool Tessian to avoid a “costly mistake”

It's another big UK win for Tessian as Hill Dickinson selects them to help prevent data loss from misdirected emails. And yes, we know that misdirected emails accounted for the most incidents reported to the ICO in 2017. Here is the release.

Tessian raises $42m led by Sequoia

Unusually described by one UK top 50 CIO we chatted with recently as a "dream product", Tessian has raised $42m in a Series B funding round led by Sequoia - famously one of the first investors in Apple - to accelerate its expansion in the US and other global markets.

DAC adopts Tessian to support new cyber strategy

DAC Beachcroft LLP has adopted Tessian’s machine learned-based email security platform to support the firm’s new cyber security strategy.

Start spreading the news: Tessian opens in New York

Spurred on by a year that has seen it raise $13m in Series A funding and revenue grow by over 500%, Tessian (formerly CheckRecipient) has opened its first outside of the UK in New York. The Park Avenue South office is headed by Ben Freeman, who has relocated from Tessian’s London office.

Tessian Blogs

How to Prevent and Avoid Falling for Email Spoofing Attacks

The post How to Prevent and Avoid Falling for Email Spoofing Attacks appeared first on Tessian.

Episode 4: The Fear Factor with Dr. Karen Renaud and Dr. Mark Dupuis

The post Episode 4: The Fear Factor with Dr. Karen Renaud and Dr. Mark Dupuis appeared first on Tessian.

6 Cybersecurity Podcasts to Listen to Now

The post 6 Cybersecurity Podcasts to Listen to Now appeared first on Tessian.

CISA Warns of New Attacks Targeting Remote Workers

The post CISA Warns of New Attacks Targeting Remote Workers appeared first on Tessian.

What is CEO Fraud? How to Identify CEO Email Attacks

The post What is CEO Fraud? How to Identify CEO Email Attacks appeared first on Tessian.

How to Prevent CEO Fraud: 3 Effective Solutions

The post How to Prevent CEO Fraud: 3 Effective Solutions appeared first on Tessian.
Show more

Tessian Frequently Asked Questions

  • When was Tessian founded?

    Tessian was founded in 2013.

  • Who are Tessian key executives?

    Tessian's key executives are Sabrina Castiglione, Tim Sadler and Ed Bishop.

  • How many employees does Tessian have?

    Tessian has 148 employees.

  • Who are Tessian competitors?

    Competitors of Tessian include Case Status, x2one and LiveHive.

  • Where is Tessian headquarters?

    Tessian headquarters is located at 3 Finsbury Ave, London.

  • Where are Tessian offices?

    Tessian has offices in London, New York and San Francisco.

  • How many offices does Tessian have?

    Tessian has 3 offices.