Top 37 Penetration Testing Software SaaS Companies in May 2026

San Francisco, California, United States

Operator of a crowd-sourced security platform intended to help organizations with a customized security testing program to bolster their security posture. The company's platform offers cost-effective and security testing programs to manage bug bounty, vulnerability disclosure and next-gen pen test programs, enabling clients to commission a customized security testing program that fits their specific requirements.

Burlington, Massachusetts, United States

Pentera is an American cybersecurity software company, specializing in automated security validation solutions. The company empowers organizations to easily test the integrity of all cybersecurity layers, providing solutions to detect and warn of system vulnerabilities.

United States

Intigriti is the trusted leader in crowdsourced security. Since 2016, we’ve empowered the world’s largest organizations to proactively identify and address vulnerabilities before they're exploited by cybercriminals. Harnessing the expertise of our 100,000+ researchers, businesses can detect vulnerabilities as soon as they surface, avoiding the costly damage of security breaches. Through our meticulous triaging process, commitment to legal compliance, and unparalleled customer service, we deliver the utmost reliability for our customers. Intigriti is proud to help industry leaders safeguard their digital assets and thrive in an ever-evolving threat landscape.

Boston, Massachusetts, United States

Pen Testing as a Service (PTaaS) platform

San Francisco, California, United States

Horizon3.ai is a cybersecurity company specializing in autonomous penetration testing and vulnerability management. Its flagship platform, NodeZero™, helps enterprises prioritize defensive efforts against actual threats.

United States

YesWeHack is a leading Bug Bounty and Vulnerability Management Platform. Founded by ethical hackers in 2015, YesWeHack connects organisations worldwide to tens of thousands of ethical hackers, who uncover vulnerabilities in websites, mobile apps, connected devices and digital infrastructure. Bug Bounty programs benefit from in-house triage, personalised support, a customisable model and results-based pricing. Clients include Tencent, Swiss Post, Orange France and the French Ministry of Armed Forces. The YesWeHack platform offers a range of integrated, API-based solutions: Bug Bounty (crowdsourcing vulnerability discovery); Vulnerability Disclosure Policy (creating and managing a secure channel for external vulnerability reporting); Pentest Management (managing pentest reports from all sources); Attack Surface Management (continuously mapping online exposure and detecting attack vectors); and ‘Dojo’ (ethical hacking training). YesWeHack complies with strict security, financial traceability and privacy requirements. YesWeHack’s services are ISO 27001- and ISO 2701-certified and accredited by CREST. YesWeHack’s infrastructure uses EU-based, GDPR-compliant private hosting that meets the most stringent standards: ISO 27001, ISO 27017, ISO 27018, ISO 27701 and SOC II Type 2. The YesWeHack platform is also permanently subject to a public Bug Bounty Program. Find out more at www.yeswehack.com

Knutsford, Cheshire, United Kingdom

PortSwigger is a global leader in cybersecurity, specializing in web application security testing. They created Burp Suite, the leading toolkit for web application security testing.

Paris, France

Yogosha is a french bug bounty platform.

London, United Kingdom

cybersecurity company

Seattle, Washington, United States

IOActive is a security consultancy with a global presence and deep expertise spanning hardware, software, and wetware.