Insights

Target Customer Profile GreatHorn primarily serves large-scale organizations within the Global 2000, indicating a strong opportunity to tailor security solutions and enterprise-grade offerings to similar large enterprise clients seeking advanced email threat protection.

Product Expansion Opportunities With recent launches like the BEC landscape report and phishing awareness initiatives such as Phishing Phails, there is a clear focus on educating clients about evolving threats, opening avenues for upselling enhanced security analytics and training modules.

Partnership & Alliances Partnerships with security awareness providers like Inspired eLearning suggest a strategic emphasis on integrated security solutions, offering potential for collaborative sales with complementary cybersecurity and training companies.

Market Positioning Operating in a competitive landscape with firms like Proofpoint and Mimecast, GreatHorn can differentiate by emphasizing its targeted risk management approach, offering tailored, real-time threat mitigation for organizations with high email security needs.

Growth & Scalability Despite a modest revenue range of 1 to 10 million dollars, recent executive hires and active content marketing initiatives suggest an expanding sales pipeline, presenting opportunities to position as a scalable, innovative security partner for growing enterprise accounts.

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 St, Suite 210 Waltham, Massachusetts 02451, US. 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 October 2025, GreatHorn has approximately 11 employees across 1 continents, including North America. Key team members include Chief Executive Officer And Co-Founder: K. O.Chief Executive Officer & Co-Founder: K. O.Chairman: 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 October 2025, GreatHorn has raised $103K in funding. The last funding round occurred on Feb 23, 2022 for $103K.
GreatHorn

GreatHorn

Computer and Network SecurityUnited 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 St, Suite 210 Waltham, Massachusetts 02451, US
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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