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Penetration Testing Startups

Updated July 2026

Companies in the penetration testing sector developing innovative solutions and technologies.

Explore 47 recently funded penetration testing companies with verified founder contact information and fundraising data.

Total Companies
47
Total Funding
$414.8M
Avg Funding
$18.9M
Global Reach
10
countries

Top Cities for Penetration Testing

Burlington
Vienna
Coimbra
London
Jena
Paris

Recently Funded Companies

Export
Burlington, United States

Pentera is the market leader in Automated Security Validation

$60.0M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Vienna, United States

Antithesis is a cloud platform that autonomously tests software reliability in a simulated environment without impacting production.

$30.0M raised
Feb 2025

Founder Contacts

30,000+ verified contacts

Coimbra, Portugal

ETHIACK provides a symbiotic platform for offensive security, helping organizations prevent cybercrime and rewarding ethical hackers.

$4.2M raised
Dec 2024

Founder Contacts

30,000+ verified contacts

London, United Kingdom

watchTowr is redefining External Attack Surface Management with its Continuous Automated Red Teaming platform.

$19.0M raised
Oct 2024

Founder Contacts

30,000+ verified contacts

Jena, Germany

Enginsight is a security platform that offers cybersecurity solutions for monitoring and securing IT systems.

$6.7M raised
Sep 2024

Founder Contacts

30,000+ verified contacts

Paris, France

Patrowl helps you to identify and harden you External Security Posture with realtime and continuous Pentest-as-a-Service solution

$12.1M raised
Sep 2024

Founder Contacts

30,000+ verified contacts

Dublin, United States

Opkey is an AI test automation platform to help organizations continuously test finance, HR, and enterprise resource planning software.

$47.0M raised
Aug 2024

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands

Segron is an innovator in the next generation of active testing for communication services, offering automated testing solutions.

$2.2M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Dover, United States

Trickest provides large enterprise clients with a unified platform to visualize, manage, and expand all aspects of offensive security.

$1.4M raised
Sep 2023

Founder Contacts

30,000+ verified contacts

Waterford, Ireland

Klearcom provides a SaaS solution for testing Telecommunications, Contact Centers and IVR services.

$1.6M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

Berlin, Germany

The fast and easy way to get ISO 27001, GDPR, TISAX and SOC 2 compliant | Compliance & Security Automation

$3.8M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

Sydney, Australia

Prevasio is a next-generation Cloud Security Posture Management with a built-in vulnerability and anti-malware scan for docker containers.

$2.1M raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Ghent, Belgium

Aikido Security offers a platform for securing code, cloud, and runtime environments, streamlining vulnerability management for developers.

$60.0M raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Dallas, United States

Cyber Defense Labs is a full lifecycle information security service provider helping companies detect, manage and respond to cyber risks.

$5.8M raised
Nov 2021

Founder Contacts

30,000+ verified contacts

Folkestone, United Kingdom

The leading cyber readiness platform for the agentic era, battle-testing and upskilling both humans and AI agents.

$55.0M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

London, United Kingdom

OTIFYD is EMEA´s leading OT cyber security services and solution provider by experienced automation and security engineers

$2.0M raised
Nov 2022

Founder Contacts

30,000+ verified contacts

Tokyo, Japan

Japan Cyber Defense is a security-based company that protects national infrastructure and organizations against cyberattacks.

$6.5M raised
Nov 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Bugcrowd is a cybersecurity company that operates as a platform for crowdsourced security testing.

$50.0M raised
Oct 2024

Founder Contacts

30,000+ verified contacts

Santa Clara, United States

Ridge Security is a computer and network services company that offers web app and server testing, and network infrastructure solutions.

$500K raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Tokyo, Japan

GMO Flatt Security is a cyber security company that offers a custom-made diagnostic plan based on technology stack and budget.

$1.7M raised
Oct 2021

Founder Contacts

30,000+ verified contacts

Pessac, France

TEHTRIS is an AI-powered cybersecurity company that provides an automated XDR platform to detect and neutralize cyber threats in real time.

$42.7M raised
Oct 2022

Founder Contacts

30,000+ verified contacts

Mechelen, Belgium

Ceeyu is a digital footprint company providing a Digital Risk Management, Security Rating and Vendor Risk Management platform.

$539K raised
Oct 2022

Founder Contacts

30,000+ verified contacts

Showing 26 to 47 of 47 companies

About the Penetration Testing Startup Ecosystem

The penetration testing sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Penetration Testing

Penetration Testing companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The penetration testing sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Penetration Testing Funding Breakdown

Here is how funding is distributed among the 47 penetration testing companies tracked in the VCBacked database.

Average Funding
$18.9M
Total Funding Tracked
$414.8M
Countries Represented
10

Distribution by Funding Stage

Other22 companies

Top Cities for Penetration Testing

1.London
2 companies$21.0M
2.Tokyo
2 companies$8.2M
3.Burlington
1 companies$60.0M
4.Vienna
1 companies$30.0M
5.Coimbra
1 companies$4.2M

Related Industries

Companies in the penetration testing sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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47 Penetration Testing Startups (2026) — Recently Funded Companies, Investors & Rounds | VCBacked