Tessian: Detailed Company Information & Corporate Profile

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Summary

Tessian is a private company that has been in the industry for 14 years. The business currently specializes in Information Technology and Services, Cybersecurity areas. Tessian's headquarter is located at London, England, GB. The number of employees is at least 100. Register with SignalHire to connect with Tessian employees and management.

Tessian Websiteproofpoint.com
Social Links
facebooklinkedIntwitter
Phone Number020-8068-5223
Industries
Tessian Headquarters addressBoston, Massachusetts, US
Company Size200-500 employees
SpecialtiesCyber Security, Data Loss Prevention, Information Security, Machine Learning, Artificial Intelligence, Spear Phishing
SIC Code7372
Founded2013
Estimated Annual Revenue$5.0M - 25M
Operating StatusIndependent Company

Competitors

Name
Founded
Type
Employees
2011Privately
Held
100 - 250
1979Privately
Held
100K - 9.9M
2011Public
Company
1.0K - 5.0K
2002Privately
Held
1.0K - 5.0K

Estimated Website Traffic

The chart shows a decline in traffic to the proofpoint.com website. In July, traffic decreased to 2646157, compared to 2887766 in the previous month. The highest traffic in 2026 was recorded in April, reaching 3051608 visits.

Workforce Turnover

Length of Employment

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Tessian's workforce includes employees across a wide range of tenure levels.

5% have been with the company for 1 to 2 years14% have been with the company for 3 to 4 years41% have been with the company for 5 to 7 years14% have been with the company for 8 to 10 years27% have been with the company for more than 11 years
Contact top employees from Tessian
IRENE TIEH
IRENE TIEHCustomer Success Manager
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Jessica Lu ☁
Jessica Lu ☁Talent Partner
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Craig Carrier
Craig CarrierAccount Executive
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Sydney Phelon
Sydney PhelonTechnical Operations Engineer
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Christian Dardompre
Christian DardompreSales Development Representative
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Portia Stricklin
Portia StricklinSecurity Trust and Compliance Analyst
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Elaine Mao
Elaine MaoVP, Revenue Operations (Acquired by Proofpoint, Dec 2023)
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Tessian Corporate Information: FAQ

Tessian operates in the IT Services industries. More details can be found on the official website: proofpoint.com.
Tessian has offices located in Boston, US.
The headquarters of Tessian are located in Boston, United States.
The current CEO of Tessian is Tim Sadler
You can contact Tessian by phone at 020-8068-5223.
Tessian currently employs 200-500 people.
Well-known competitors of Tessian include Callsign, Dell EMC, CrowdStrike and Imperva.

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