Top 10 Penetration Testing Companies in 2025

ScienceSoft is a cybersecurity provider recognized as one of America’s Most Reliable Companies 2025 by Newsweek and Statista and ranked a Top Penetration Testing Company by Clutch. Since 2003, it has delivered expert penetration testing across applications, networks, wireless networks, blockchain, IoT, AI systems, and cloud environments. ScienceSoft also offers social engineering assessments and compliance-focused security testing (HIPAA, GDPR, PCI DSS, NYDFS, NIST, SOC 2).

An ISO 27001, 9001, and 13485-certified vendor, ScienceSoft employs experts with CEH, CompTIA PenTest+, AWS Security Specialty, CCNA Security, and other industry-recognized certifications.

In testimonials, clients praise ScienceSoft’s efficient communication, clear and actionable reports, and meticulous testing that uncovers even the most non-obvious security gaps. The company’s portfolio features large-scale testing projects tailored to the BFSI and healthcare sectors. Here are examples of ScienceSoft’s impact:

• ScienceSoft’s testing and remediation plan strengthened the bank’s cyber defenses across 550 branches, protecting 2M+ clients from potential threats.
• ScienceSoft’s pentesting ensured that the speech recognition software used in 500+ healthcare organizations maintained uncompromised ePHI security.
• In just 15 days, ScienceSoft’s ethical hackers secured the warehouse provider’s large-scale IT infrastructure by testing 11,500 IPs and 50 applications.

Trustwave is a CREST-accredited cybersecurity leader recognized by Gartner, IDC, Frost & Sullivan, and included in MSSP Alert’s Top 10 MSS Providers for eight consecutive years. With Trustwave’s multiskilled team of ethical hackers, forensic investigators, and researchers, the company delivers 200,000 testing hours annually. During penetration testing, the vendor applies MITRE ATT&CK and Simulated Targeted Attack & Response (STAR) frameworks. Trustwave also provides threat intelligence as a service, advanced threat hunting, and digital forensics and incident response. Its signature offering includes managed security services (MSS) such as 24/7/365 managed detection and response (MDR), managed vulnerability scanning, firewall and technology management, and co‑managed Security Operations Center (SOC).

The vendor’s clients come from various industries, including healthcare, finance, government, education, retail, and manufacturing. In addition to testing services, Trustwave developed its own security products, including Trustwave Fusion, an MSS platform for centralized vulnerability and threat detection and incident response, and MailMarshal, an AI‑powered email security platform.

GuidePoint Security is a CREST-accredited cybersecurity firm that has served thousands of clients, including several Fortune 100 companies. The vendor uses a manual-first approach supported by automated tools for its hands-on assessments, such as red and purple team exercises, social engineering campaigns, and penetration testing. Beyond offensive testing, GuidePoint provides vulnerability management, identity and access management (IAM), incident response (IR) and threat intelligence (TI), managed security services (MSS), and security operations center (SOC) services. The firm also offers on-demand security programs such as Penetration Testing as a Service (PTaaS), Phishing as a Service, and Vulnerability Management as a Service.

GuidePoint’s team holds a broad range of certifications, such as GPS security credentials (e.g., CISM, CISSP, CRISC), GIAC (GSE, GWAPT, GPEN), Offensive Security (OSCP, OSCE), and HCISSP. In reviews on its penetration testing and PTaaS services, GuidePoints is praised for addressing clients’ specific needs, continuously evolving, and helping maintain a robust security posture.

A 2024 GigaOm ASM Radar Leader, NetSPI offers manual-first offensive testing. The company’s core services include application, cloud, network, blockchain, and AI/ML penetration testing. NetSPI also provides Penetration Testing as a Service (PTaaS), social engineering, red team testing, attack surface management (ASM/EASM/CAASM), breach and attack simulation (BAS), SaaS security assessments, threat modeling, and secure code reviews.

A CREST-accredited firm with 300+ in-house pentesters, NetSPI has a proprietary NetSPI Platform, which combines PTaaS, ASM, and BAS in a centralized offensive security solution that simplifies remediation and reporting. The platform offers interactive testing reports, real-time collaboration with testers, custom dashboards, and integrations with ticketing systems.

The team’s credentials span GPS, GIAC, Offensive Security (OSCP, OSCE), and ISC2 certifications, which attests to their deep technical expertise.

Trusted by top US Banks, the world’s largest healthcare companies, and MAMAA tech giants, NetSPI has become renowned for its comprehensive security testing and easy-to-use platform that streamlines vulnerability remediation.

Bishop Fox is a CREST-accredited penetration testing company named a 2025 GigaOm Radar Challenger in Application Security Management (ASM). Bishop Fox is also recognized as a GigaOm Radar Leader and Fast Mover in ASM for its continuous offensive security platform, Cosmos. The solution combines automated attack surface management (ASM) with expert-driven penetration testing. It continuously monitors attack surfaces to proactively detect potential vulnerabilities.

The firm has worked with over 1,000 customers, including Fortune 100 companies and top global media and tech companies. Bishop Fox focuses on offensive testing grounded in OWASP Top 10, MITRE ATT&CK, and CVSS frameworks. The vendor’s offering includes application, cloud, and network penetration testing, IoT security review, AI/ML security assessments, social engineering, and red team engagements. Bishop Fox also collaborates with leading enterprises like Google, Oracle, and Amazon to evaluate the security of applications and integrated systems of their partner ecosystems.

Clients value the vendor’s clear communication and strategic testing reinforced with the Cosmos platform.

Prescient Security is a CREST-accredited penetration testing provider and a CSA Star-certified company that has conducted over 4,800 penetration tests, 3,600 SOC 2 audits, and 1,000 ISO audits for 5,000 clients, including global names such as Citi and FIS. The company delivers web, mobile, cloud, and IoT penetration testing leveraging an AI-augmented, tailored methodology, which is based on OWASP Top 10, NIST 800-115, and OSSTMM. The firm also offers its PTaaS platform, Cacilian, designed to simplify penetration testing management and compliance workflows. The platform enables real-time monitoring and reporting, allowing organizations to evaluate their security defenses against evolving threats.

Prescient Security stands out among the top penetration testing companies for its wide range of compliance-focused assessments, covering GDPR, SOC, PCI DSS, HITRUST, HIPAA/PHIPA, ISO, CIS, FedRAMP, CMMC, and NIST. In total, the company offers pentesting and audits across over 25 compliance frameworks. Clients consistently return to Prescient Security for regular SOC-2 audits and praise the vendor’s smooth processes, consultative approach, and well-structured reports.

BreachLock is a cybersecurity company recognized as a Prominent Vendor in both PTaaS and EASM in Gartner’s 2024 Hype Cycle and PTaaS Award winner by Cybersecurity Excellence (2024). BreachLock focuses on penetration testing services for web and mobile applications, APIs, networks, devices, cloud infrastructures, and IoT systems. The company also offers an integrated approach to offensive security through its PTaaS + ASM + Red‑Team platform. The company’s BreachLock Unified Platform enables continuous threat exposure management and streamlined remediation.

BreachLock assigns a dedicated project manager for each engagement and combines AI-driven scanning with expert-led validation. The vendor’s portfolio boasts over 30,000 penetration tests across more than 20 countries and features projects for such top industry leaders as BOSCH, NHS, Commerce Bank, DocuSign, and EY. The vendor holds CREST accreditation, SOC and ISO 27001 certifications, and PCI DSS validation. In reviews, the company’s clients highlight BreachLock’s responsiveness, prompt testing and platform user support, and attractive pricing.

Ranked a Leader by Forrester in Q2 2024 for cybersecurity consulting, TrustedSec stands out as a credible cybersecurity advisory partner. This CREST-accredited vendor has delivered over 7,400 security projects to organizations of all sizes across various industries, including healthcare, finance, retail, manufacturing, and others. With attacker-style thinking and deep compliance expertise (e.g., HIPAA, PCI, ISO, NIST, CMMC), TrustedSec conducts application penetration testing, cloud penetration testing, IoT penetration testing, social engineering, red team/blue team testing, and compliance assessments. TrustedSec also provides security hardening and remediation, incident response, and custom program design. The vendor delivers actionable remediation roadmaps with prioritized insights to help clients fortify their security posture and achieve compliance objectives.

TrustedSec is a prolific contributor to the community, having created more than 50 open-source tools, including the Social-Engineer Toolkit (SET), UNICORN for PowerShell attacks, and CrackMapExec for pentesting Windows and Active Directory environments. To stay ahead of attackers, the vendor constantly researches the cybersecurity landscape and regularly shares its insights in its blog and conference talks.

TraceSecurity is a seasoned cybersecurity company that has delivered over 30,000 examiner-approved cybersecurity reports. It served more than 3,000 organizations across various industries, including financial services, healthcare, government, energy, education, and manufacturing. The company’s team holds a wide array of certifications, such as GIAC Penetration Tester (GPEN), CEH, OSCP, CISSP, CISM, CISA, CRISC, CWSP, and multiple CompTIA credentials.

TraceSecurity’s core services include web application security testing, penetration testing, red and purple team exercises, social engineering, IT security audits, and ransomware preparedness assessments. The vendor’s security assessments are aligned with OWASP standards. TraceSecurity also provides comprehensive security awareness training. The company offers proprietary platforms, including a HIPAA-ready tool for ongoing security risk assessments and vulnerability management.

TraceSecurity stands out for its reasonably priced services, which are targeted at small institutions, helping them meet auditor expectations without straining their budgets. These services include IT audits, risk assessments, and tabletop exercises targeted at enhancing regulatory readiness and operational resilience.

Named a 2025 Top Cybersecurity Company by Clutch, FRSecure delivers tailored penetration testing services with a business-first approach. Beyond penetration testing, the vendor’s offering includes purple team exercises, social engineering, vulnerability scanning, risk assessments, cloud security evaluations, incident response, tabletop testing, and vendor risk management. The company follows leading frameworks, including PTES, OWASP Top 10, and its own proprietary NIST-based risk methodology. FRSecure also provides compliance-focused services, such as gap assessments and preparation for PCI, CMMC, and SOC 2 audits.

FRSecure’s team holds a total of 30+ industry certifications, including OSCP, CISSP, CISA, GCPN, GCFA, CCSP, CompTIA Security+, as well as credentials in PCI, ISO, DoD, and cloud security domains.

Clients consistently praise the vendor for providing forward-thinking cybersecurity roadmaps, comprehensive disaster recovery plans, and actionable guidance on creating or improving security programs. The company also offers on-demand security specialists, including executive-level consultants (vCISOs).