Insights

Target Market GreatHorn serves Global 2000 companies with cloud email security needs, indicating a strong enterprise focus. Sales opportunities exist by targeting large organizations with complex email environments that require advanced protection against business email compromise and impersonation.

Security Depth The platform combines data science, machine learning, and human context across detection, real-time warnings, and incident response. This suggests upsell potential to customers seeking end-to-end risk management for email, including post-attack containment and user training integration.

Recent Leadership New revenue leadership appointment and ongoing growth signals indicate a scalable go-to-market motion. Leverage this momentum to pursue enterprise deals through direct and channel sales, highlighting expanded revenue capability to prospective customers.

Threat Intelligence Regular reports on phishing and BEC landscape demonstrate thought leadership and data-driven value. Sales pitches can emphasize actionable threat intelligence offerings and benchmarking data to justify ROI and security investments.

Competitive Position Operating in a crowded security market with large players, GreatHorn can differentiate on its specialized focus for email risk management and rapid real-time user alerts. Position as a cost-effective, cloud-native layer that complements existing security stacks for mid to large enterprises.

GreatHorn Tech Stack

GreatHorn uses 8 technology products and services including AdRoll, HubSpot Analytics, iCIMS, and more. Explore GreatHorn's tech stack below.

  • AdRoll
    Advertising
  • HubSpot Analytics
    Analytics
  • iCIMS
    Applicant Tracking Systems
  • Atlassian
    Application Development & Management
  • Cloudflare DNS
    Domain Name Services
  • React
    Javascript Frameworks
  • Java
    Programming Languages
  • Google Search Console
    Web Analytics

Media & News

GreatHorn's Email Address Formats

GreatHorn uses at least 1 format(s):
GreatHorn Email FormatsExamplePercentage
FLast@greathorn.comJDoe@greathorn.com
95%
FirstL@greathorn.comJohnD@greathorn.com
2%
Last.F@greathorn.comDoe.J@greathorn.com
1%
Last.First@greathorn.comDoe.John@greathorn.com
2%

Frequently Asked Questions

What is GreatHorn's phone number?

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You can contact GreatHorn's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is GreatHorn's official website and social media links?

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GreatHorn's official website is greathorn.com and has social profiles on LinkedInCrunchbase.

How much revenue does GreatHorn generate?

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As of August 2026, GreatHorn's annual revenue is estimated to be $1M - $10M.

What is GreatHorn's NAICS code?

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GreatHorn's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does GreatHorn have currently?

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As of August 2026, GreatHorn has approximately 7 employees across 1 continents, including North America. Key team members include Chief Executive Officer: M. C. M.Chief Executive Officer: K. O. B.Chief Executive Officer & Co-Founder: K. O.. Explore GreatHorn's employee directory with LeadIQ.

What industry does GreatHorn belong to?

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GreatHorn operates in the Computer and Network Security industry.

What technology does GreatHorn use?

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GreatHorn's tech stack includes AdRollHubSpot AnalyticsiCIMSAtlassianCloudflare DNSReactJavaGoogle Search Console.

What is GreatHorn's email format?

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GreatHorn's email format typically follows the pattern of FLast@greathorn.com. Find more GreatHorn email formats with LeadIQ.

How much funding has GreatHorn raised to date?

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As of August 2026, GreatHorn has raised $22M in funding. The last funding round occurred on Feb 23, 2022 for $103K.
GreatHorn logo

GreatHorn

Computer and Network SecurityMassachusetts, United States2-10 Employees

GreatHorn provides a cloud-based email security solution designed to reduce risk from everyday email use at large, multinational companies. Based in Waltham, Massachusetts, the company employs a multi-stage approach that blends data science, machine learning, technical analysis, and human input to protect organizations before, during, and after phishing attempts.

Section iconCompany Overview

Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Employees
2-10

Section iconFunding & Financials

  • $22M

    GreatHorn has raised a total of $22M of funding over 5 rounds. Their latest funding round was raised on Feb 23, 2022 in the amount of $103Kas a series_unknown.

  • $1M - $10M

    GreatHorn's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $22M

    GreatHorn has raised a total of $22M of funding over 5 rounds. Their latest funding round was raised on Feb 23, 2022 in the amount of $103Kas a series_unknown.

  • $1M - $10M

    GreatHorn's revenue is estimated to be in the range of $1M - $10M

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