Insights

Strong Industry Focus GreatHorn operates in the rapidly growing cybersecurity industry, specializing in email security solutions for large-scale enterprises, including Global 2000 companies. This indicates a strong potential for expanding sales within organizations seeking advanced threat protection.

Recent Thought Leadership The company has published multiple reports on phishing and Business Email Compromise (BEC), establishing itself as a knowledgeable authority in threat landscape analysis. Leveraging these insights could help in engaging prospects seeking expert-level security insights.

Expanding Customer Base Recent appointments of senior sales leaders and strategic partnerships, such as with Inspired eLearning, suggest ongoing efforts to broaden market reach and strengthen sales channels, creating opportunities for targeted outreach and partnership development.

Market Differentiation By treating email security as a comprehensive risk management function and highlighting real-time threat warning capabilities, GreatHorn differentiates itself from competitors, making it a compelling choice for organizations prioritizing proactive security solutions.

Growth & Investment With revenue estimates between 1 million and 10 million and recent funding, GreatHorn is positioned for growth. Sales efforts focusing on demonstrating its innovative security platform could unlock opportunities in mid-market segments and expand overall market penetration.

GreatHorn Tech Stack

GreatHorn uses 8 technology products and services including AdRoll, DiscoverOrg, Tableau, and more. Explore GreatHorn's tech stack below.

  • AdRoll
    Advertising
  • DiscoverOrg
    Business Intelligence
  • Tableau
    Business Intelligence
  • Kubernetes
    Containerization
  • oEmbed
    Dev Tools
  • React
    Javascript Frameworks
  • PHP
    Programming Languages
  • MediaElement.js
    Video Players

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

Where is GreatHorn's headquarters located?

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GreatHorn's main headquarters is located at 1075 Main Street, Suite 210. The company has employees across 1 continents, including North America.

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.

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 December 2025, GreatHorn has approximately 11 employees across 1 continents, including North America. Key team members include Chief Executive Officer: M. C. M.Chief Executive Officer And Co-Founder: K. O.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 AdRollDiscoverOrgTableauKubernetesoEmbedReactPHPMediaElement.js.

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 December 2025, GreatHorn has raised $103K in funding. The last funding round occurred on Feb 23, 2022 for $103K.

GreatHorn

Computer and Network SecurityMassachusetts, United States11-50 Employees

Global 2000 companies use GreatHorn to reduce the inherent and pervasive risk associated with the everyday use of email. GreatHorn’s multi-staged approach to email security automatically combines data science, machine learning techniques, and technical analysis with human context to protect organizations before, during, and after a phishing attack.

By treating email security as a risk management function, customers can not only detect and remove more attacks but also warn users in real-time of potential threats and provide response teams with the tools to limit exposure and minimize risk. As a result, GreatHorn Email Security safeguards cloud email from advanced threats such as business email compromise, impersonations, credential theft, account takeover, and other phishing attacks.

More information can be found at http://www.greathorn.com

Section iconCompany Overview

Headquarters
1075 Main Street, Suite 210
Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Employees
11-50

Section iconFunding & Financials

  • $103K

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

  • $1M$10M

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

Section iconFunding & Financials

  • $103K

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

  • $1M$10M

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

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