Insights

Rapid Market Growth Horizon3.ai has achieved recognition as the fastest-growing cybersecurity company on the 2025 Inc. 5000 list, indicating a strong demand for autonomous security testing solutions and substantial expansion opportunities in the cybersecurity market.

Innovative Leadership Being named one of the World's Most Innovative Companies of 2026 highlights Horizon3.ai's cutting-edge approach, making it an attractive partner for organizations seeking innovative, scalable cybersecurity solutions.

Strategic Partnerships The company's partnerships with firms like Acora Limited and Pure Networks demonstrate a focus on expanding market reach and integrating autonomous penetration testing into broader cybersecurity service offerings, creating opportunities for co-sell and upsell strategies.

Expanding Global Presence The recent appointment of a Field Chief Technology Officer for EMEA suggests Horizon3.ai's strategic move to increase penetration in European markets, opening avenues for sales in diverse regional sectors with specific cybersecurity needs.

Comprehensive Security Capabilities Horizon3.ai's NodeZero platform automates attack surface discovery, risk prioritization, and verification without agents or extensive coding, presenting a compelling solution for organizations looking to reduce security blind spots and improve security posture efficiently.

Horizon3.ai Tech Stack

Horizon3.ai uses 8 technology products and services including Pendo, Amazon S3, RSS, and more. Explore Horizon3.ai's tech stack below.

  • Pendo
    Analytics
  • Amazon S3
    Content Delivery Network
  • RSS
    Content Management System
  • CrowdStrike
    Endpoint Protection
  • Okta
    Identity Verification
  • Google Sheets
    Office Suites
  • MyWebsite
    Page Builders
  • Elasticsearch
    Search Engines

Media & News

Horizon3.ai's Email Address Formats

Horizon3.ai uses at least 1 format(s):
Horizon3.ai Email FormatsExamplePercentage
First.Last@horizon3.aiJohn.Doe@horizon3.ai
73%
FLast@horizon3.aiJDoe@horizon3.ai
14%
First@horizon3.aiJohn@horizon3.ai
8%
Last@horizon3.aiDoe@horizon3.ai
5%

Frequently Asked Questions

Where is Horizon3.ai's headquarters located?

Minus sign iconPlus sign icon
Horizon3.ai's main headquarters is located at San Francisco, California 94118 United States. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is Horizon3.ai's official website and social media links?

Minus sign iconPlus sign icon
Horizon3.ai's official website is horizon3.ai and has social profiles on LinkedInCrunchbase.

What is Horizon3.ai's NAICS code?

Minus sign iconPlus sign icon
Horizon3.ai's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Horizon3.ai have currently?

Minus sign iconPlus sign icon
As of June 2026, Horizon3.ai has approximately 435 employees across 5 continents, including North AmericaEuropeAsia. Key team members include Chief Marketing Officer: A. B.Chief Revenue Officer (cro): M. H.Chief Financial Officer: H. G.. Explore Horizon3.ai's employee directory with LeadIQ.

What industry does Horizon3.ai belong to?

Minus sign iconPlus sign icon
Horizon3.ai operates in the Computer and Network Security industry.

What technology does Horizon3.ai use?

Minus sign iconPlus sign icon
Horizon3.ai's tech stack includes PendoAmazon S3RSSCrowdStrikeOktaGoogle SheetsMyWebsiteElasticsearch.

What is Horizon3.ai's email format?

Minus sign iconPlus sign icon
Horizon3.ai's email format typically follows the pattern of First.Last@horizon3.ai. Find more Horizon3.ai email formats with LeadIQ.

How much funding has Horizon3.ai raised to date?

Minus sign iconPlus sign icon
As of June 2026, Horizon3.ai has raised $100M in funding. The last funding round occurred on May 22, 2025 for $100M.

When was Horizon3.ai founded?

Minus sign iconPlus sign icon
Horizon3.ai was founded in 2019.

Horizon3.ai

Computer and Network SecurityCalifornia, United States201-500 Employees

Horizon3.ai answers the two most important questions in cybersecurity: If someone tried to compromise us, would we hold up? And, how do we withstand the onslaught of AI-powered attacks?

Horizon3.ai’s NodeZero® shifts the advantage from attackers to defenders by giving organizations the power to fight AI with AI. The Proactive Security Platform autonomously tests your defenses at machine speed, safely finds and prioritizes exploitable attack paths, instantly verifies fixes, and drives a continuous loop so you can prove you’re resilient, not just hope you are.

NodeZero, the World’s Best AI Hacker™, was built by an elite team of U.S. cyber veterans and has honed its skills over 225K production-safe tests, more than all manual pentests in history. More than 5,000 organizations including the NSA, CISA, Fortune 100 giants, and major healthcare providers trust Horizon3.ai to prioritize what matters and prove they’re ready for what’s next.

Horizon3.ai has been recognized by Fast Company as one of the World’s Most Innovative Companies in 2026. The company ranked #3 overall on the 2025 Deloitte Technology Fast 500 and was named the #1 cybersecurity company on the Inc. 5000 in 2025. It has also been named to the Fortune Cyber 60 in both 2023 and 2025 and is a two-time Black Unicorn Award winner.

Section iconCompany Overview

Headquarters
San Francisco, California 94118 United States
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2019
Employees
201-500

Section iconFunding & Financials

  • $100M

    Horizon3.ai has raised a total of $100M of funding over 5 rounds. Their latest funding round was raised on May 22, 2025 in the amount of $100M.

  • $1B$10B

    Horizon3.ai's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $100M

    Horizon3.ai has raised a total of $100M of funding over 5 rounds. Their latest funding round was raised on May 22, 2025 in the amount of $100M.

  • $1B$10B

    Horizon3.ai's revenue is estimated to be in the range of $1B$10B

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.