Tessian
Tessian provides visibility into human security risk and automatically prevents security threats while continuously driving employees toward secure em...Read more
Market Share of Tessian
Current Customer(s)
35
Market Share (Est.)
0.00%
Ranking
#89
Top Competitors and Alternatives of Tessian
The top three of Tessian’s competitors in the Email Security category are Proofpoint with 42.66%, SendinBlue with 12.86%, MailChannels with 7.74% market share.
Popular Comparisons
Top Competitors and Alternatives of Tessian
The top three of Tessian’s competitors in the Email Security category are Proofpoint with 42.66%, SendinBlue with 12.86%, MailChannels with 7.74% market share.
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Tessian vs SendinBlue
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Customers of Tessian
Around the world in 2025, over 35 companies have started using Tessian as Email Security tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Man Group | 5,000 - 9,999 | London | England | United Kingdom |    |
| TMF Group | 5,000 - 9,999 | Amsterdam | North Holland | Netherlands |  |
| Klarna | 5,000 - 9,999 | Stockholm | Stockholm | Sweden | |
| K&L Gates | 1,000 - 4,999 | Pittsburgh | Pennsylvania | United States | |
| Mishcon De Reya | 1,000 - 4,999 | London | England | United Kingdom | |
| Okta | 1,000 - 4,999 | San Francisco | California | United States | |
| Bank Of England | 1,000 - 4,999 | London | England | United Kingdom | |
| Piper Sandler | 1,000 - 4,999 | Minneapolis | Minnesota | United States | |
| CME Group | 1,000 - 4,999 | Chicago | Illinois | United States | |
| Farrer & Co | 500 - 999 | London | England | United Kingdom | |
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Tessian Customers by Products and Services
The top three products and services offering customers that use Tessian for Email Security are Legal Services (4), Real Estate (3), Private Equity (3).
Customers
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Tessian Customers by Employee Size
The majority of Tessian's customers for the email-security category fall in the company size of 100 - 249 employees (9 companies), 1,000 - 4,999 employees (8 companies), 250 - 499 employees (5 companies).
Employee Size
Tessian Customers by Geography
The top three geographies of Tessian for email-security are the United Kingdom with 20(57.14%), United States with 10(28.57%), India with 1(2.86%) customers respectively.
Customers
Employees of Tessian
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FAQ
Find answers to the most often asked questions by users.
Who are the top Tessian competitors?
Tessian’s Top competitors in the email-security category are Proofpoint, SendinBlue, MailChannels. You can view a full list of Tessian competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Tessian and 40,000 other technologies on the internet. You can also compare Tessian and its feature with top competitors here : Tessian vs Proofpoint Tessian vs SendinBlue Tessian vs MailChannels.
What is Tessian customer distribution based on company size?
What is Tessian market share in the email-security?
What are the top countries that use Tessian?
What are the top industries that use Tessian?
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