GreatHorn
GreatHorn is a new kind of cloud security platform that helps detect and prevent spear phishing and credential theft attacks in realtime.
Market Share of GreatHorn
Current Customer(s)
2
Market Share (Est.)
0.00%
Ranking
#163
Top Competitors and Alternatives of GreatHorn
The top three of GreatHorn’s competitors in the Email Security category are Proofpoint with 43.86%, SendinBlue with 12.69%, MailChannels with 8.05% market share.
Popular Comparisons
Top Competitors and Alternatives of GreatHorn
The top three of GreatHorn’s competitors in the Email Security category are Proofpoint with 43.86%, SendinBlue with 12.69%, MailChannels with 8.05% market share.
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Customers of GreatHorn
Around the world in 2025, over 2 companies have started using GreatHorn as Email Security tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Techstars | 1,000 - 4,999 | New York City | New York | United States |     |
| Shorenstein Realty Services | 250 - 499 | San Francisco | California | United States | |
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GreatHorn Customers by Products and Services
The top three products and services offering customers that use GreatHorn for Email Security are Real Estate Investment (1), Community Programs (1), Investment Opportunities (1).
Customers
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GreatHorn Customers by Employee Size
The majority of GreatHorn's customers for the email-security category fall in the company size of 250 - 499 employees (1 companies), 1,000 - 4,999 employees (1 companies).
Employee Size
GreatHorn Customers by Geography
The top three geographies of GreatHorn for email-security are the United States with 2(100.00%) customers respectively.
Customers
Employees of GreatHorn
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FAQ
Find answers to the most often asked questions by users.
Who are the top GreatHorn competitors?
GreatHorn’s Top competitors in the email-security category are Proofpoint, SendinBlue, MailChannels. You can view a full list of GreatHorn competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of GreatHorn and 40,000 other technologies on the internet. You can also compare GreatHorn and its feature with top competitors here : GreatHorn vs Proofpoint GreatHorn vs SendinBlue GreatHorn vs MailChannels.
What is GreatHorn customer distribution based on company size?
What is GreatHorn market share in the email-security?
What are the top countries that use GreatHorn?
What are the top industries that use GreatHorn?
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