Top Penetration Testing Companies

Null Threat Labs is a boutique Canadian penetration testing firm based in Winnipeg, dedicated to protecting small to medium-sized businesses. We go beyond automated scanning, using manual, adversary-emulated testing to bridge the gap between technical vulnerabilities and real business risk. Led by a certified team with real-world enterprise experience, we tailor every engagement (network, web ... read Null Threat Labs reviews & insights

Rootsec B.V. is an independent cybersecurity firm based in Almere, the Netherlands. We test organisations' digital resilience the way a real attacker would: manually, at red-team depth, without resold automated scans. Services: penetration testing (web, network, cloud, mobile, IoT/hardware), red teaming, vulnerability assessments (VAPT), vulnerability management, phishing and social-engineering simulations, security assessments and incident response. ... read Rootsec B.V. reviews & insights

IntelligenceX is a global cybersecurity and regulatory compliance company helping organizations protect their digital assets, strengthen cyber resilience, and meet international security and privacy requirements. We provide cybersecurity services to startups, SMEs, enterprises, and government organizations across the UK, USA, Europe, and India.Our expertise includes penetration testing, vulnerability assessments, red team exercises, cloud security, DevSecOps, ... read IntelligenceX reviews & insights

OziCyber is a 100% Australian-owned offensive security firm. CREST and OSCP certified, we deliver penetration testing, incident response, compliance consulting and cyber training to businesses and government organisations across Australia. We exist to help organisations understand their real exposure and close the gaps that matter most.Our team brings deep offensive security expertise across web applications, ... read ozicyber reviews & insights

ACH Security is a penetration testing and DPDP compliance firm built for Indian businesses. We combine manual-first, adversarial testing with AI-assisted recon and compliance analysis under XOS — so our certified testers spend their time on exploitation and validation, not busywork.

CubicNova is a technology solutions company specializing in Cybersecurity, Artificial Intelligence (AI), Machine Learning (ML), Robotics & Automation, Software Development, Cloud Solutions, and Professional Training. We help businesses, startups, educational institutions, and enterprises accelerate digital transformation through innovative, secure, and scalable technology solutions.Our expertise spans across Web Application Development, Mobile App Development, Shopify Development, CMS ... read CubicNova reviews & insights

Secureroot Risk Advisory LLP (SecureRoot) is an ISO 27001 Certified cybersecurity and compliance company providing penetration testing (VAPT), offensive security, managed SOC, DevSecOps, and governance, risk, and compliance services. We help organizations identify and remediate vulnerabilities across web applications, mobile applications, APIs, cloud infrastructure, and networks through expert led manual security assessments. Our services also ... read Secureroot Risk Advisory LLP reviews & insights

InfinisecIT is a trusted technology and cybersecurity company delivering innovative, secure, and scalabledigital solutions for organizations across multiple industries.Our expertise combines cybersecurity, compliance, cloud technologies, software engineering, & ITconsulting to help organizations securely embrace digital transformation.

StealthNet AI delivers AI-native penetration testing that pairs autonomous AI agents with senior US-based pentesters. We help SaaS, fintech, healthcare, and AI companies pass security reviews and compliance audits without the six-week timeline or five-figure price tag of a traditional firm.Every engagement is fixed-fee from $1,500, delivered in as little as 48 hours, and mapped ... read StealthNet AI reviews & insights

Nullray is an AI-powered cybersecurity company focused on helping businesses identify, manage, and reduce cyber risks. We provide cybersecurity solutions designed to protect digital infrastructure, applications, systems, and sensitive business data from evolving threats.Our services include Vulnerability Assessment, Penetration Testing, Cybersecurity Audits, Threat Monitoring, and security risk assessment. By combining cybersecurity expertise with AI-driven technology, ... read NULLRAY PRIVATE LIMITED reviews & insights

HollowByte runs manual, human-led security audits for apps built with AI coding tools like Cursor, Claude Code, Lovable, Bolt, and Windsurf. Automated scanners catch known patterns but miss the access-control and business-logic flaws that actually get exploited. HollowByte's audits dig into authentication, authorization, Supabase RLS configuration, exposed secrets, and the specific mistakes AI code generators ... read HollowByte reviews & insights

At Radas global works, security is not an afterthought — it is the foundation of business resilience.We are proud to be an ISO 27001 (Information Security) and ISO 9001 (Quality Management) certified organization, delivering trusted, process-driven cybersecurity services to modern enterprises.We partner with organizations to deliver in-house Managed SOC services, advanced threat detection, and next-generation ... read Radas Global Works reviews & insights

Securify Edge is a specialist penetration testing and cybersecurity compliance firm serving businesses across the UK, USA, Europe, Australia, and Canada.We deliver VAPT services for web applications, mobile apps, APIs, cloud infrastructure, and corporate networks — manually tested by senior consultants using OWASP, PTES, and NCSC-aligned methodology. Our compliance practice helps SaaS companies, healthcare organisations, ... read securifyedge reviews & insights

Security is no longer about reacting to breaches—it is about anticipating them. At SkelerSecurity, we engineer precision-driven cybersecurity solutions designed to protect, defend, and empower modern enterprises across an evolving threat landscape.Uncompromising Defense. Powered by Precision.We bridge the gap between complex offensive security and proactive enterprise defense. By blending elite adversary intelligence with rigorous engineering ... read SkelerSecurity reviews & insights

VibeCop is an engineering audit and code review service that provides independent technical oversight for AI-built software. Marketed as "Adult Supervision for AI-Built Products," we help founders, startups, and agencies confidently ship software created with AI development tools such as Claude Code, Cursor, Lovable, and Bolt.Our experts review applications for code quality, architecture, security, performance, ... read Vibe Cop reviews & insights

Think-via-AI powers-up Indian and Middle East organizations to modernize/strategize their IT landscape with AI, strengthened cybersecurity, and improved design, operational reliability through high‑impact IT strategies and services delivered via a powerful USA +UAE led, India‑engineered model. Our Leaders are CCISO, ISO-27001, ITIL, Agile, PMP, Splunk certified. Our IT experience of 20+ years is from organizations ... read Think-via-AI reviews & insights

ZetTateK es un proveedor de servicios de seguridad administrados (MSSP) con sede en Ciudad de México que protege a empresas en México, LATAM y Estados Unidos. Ofrecemos ciberseguridad integral de extremo a extremo: centro de operaciones de seguridad (SOC) 24/7, protección de endpoints (EDR), pruebas de penetración, seguridad en la nube (AWS, Azure y GCP), ... read ZetTateK reviews & insights

Business PC Support is a premier managed IT services and cybersecurity provider headquartered in Elk Grove, California, serving commercial businesses, healthcare practices, legal firms, and financial organizations throughout Greater Sacramento and Northern California.We deliver 24/7 proactive technology management, help desk support, cloud infrastructure management, and multi-layered Zero Trust cybersecurity protection to eliminate operational downtime and ... read Business PC Support reviews & insights

PrimeSec IT is a trusted Los Angeles-based IT services company specializing in outsourced IT support, cybersecurity, and cloud solutions for small and mid-sized businesses. We provide reliable, remote-managed technology services designed to keep your systems running smoothly, protect your data from cyber threats, and help your team stay productive. No technical jargon, just clear, effective ... read PrimeSec IT reviews & insights

Phoenix IT is a managed IT and cybersecurity company built for private practices. Founded in 2020 and based in Edina, MN, we support dental offices, eye care clinics, veterinary practices, and other healthcare organizations across the United States.Our services include managed IT support, cybersecurity, ransomware detection and response, secure backup and disaster recovery, cloud solutions, ... read Phoenix Secure IT reviews & insights

Cyberoptic Security is a New Zealand owned penetration testing consultancy based in Auckland.Services:Penetration testing: web applications, APIs, mobile applications, internal networks, external networks, cloud infrastructure, AI and LLMs, hardware and IoT, PCI complianceSecure configuration reviews: AWS, Azure, Microsoft 365, Google Cloud Platform, SaaSTechnical controls validation: DoS testing, email security, workstation and server security, network hardwareVulnerability ... read Cyberoptic Security Ltd reviews & insights

StartCloud is a Perth-based managed IT and cybersecurity company dedicated to helping Australian businesses build secure, reliable, productive, and modern technology environments. With a strong focus on cybersecurity-first IT, StartCloud provides businesses with the expertise, support, and technology they need to protect their systems, improve productivity, reduce operational complexity, and confidently embrace digital transformation. Based ... read StartCloud reviews & insights

The digital future of organizations should be shaped not as tenants on someone else's infrastructure, but as sovereign on their own ground. We weave this belief into technology.We break the tools of digital hegemony; we build independent systems that let organizations operate on their own ground and by their own rules. From artificial intelligence to ... read Siperal reviews & insights

WebSec B.V. is an international cybersecurity firm headquartered in Amsterdam, Netherlands. Founded originally in 2018 as a bug bounty hunting pseudonym, it was officially incorporated in 2020. The company specializes in offensive security and protecting websites, web applications, APIs, cloud environments, and digital infrastructure against cyber threats.