8 BEST Penetration Testing Companies (2023)

A penetration test helps you find critical security vulnerabilities that hackers could use to hack, steal data, or inject malicious code into your systems. It’s essential to perform a proper pen test on your applications on all levels to mitigate any vulnerabilities in your system.

It also helps you to perform vulnerability tests on software, servers, networks, and machines. These pen tests uncover critical vulnerabilities and security issues. They help fix all these vulnerabilities and ensure your apps and services’ proper safety and security.

We have a list of top penetration testing companies to choose from. They will help you find and fix software and networking security vulnerabilities.

Best Pen Test Service Providers

Name Year Found Headquarters Demo Links
BreachLock 2019 USA- New York, EU- Amsterdam Free Demo Learn More
ScienceSoft 1989 McKinney, Texas, USA Free Consultation Learn More
ThreatSpike Labs 2011 London, UK Proof of Concept Learn More
Intruder 2015 London, England 14-Day Free Demo Learn More
Astra pentest 2015 USA Free Demo Learn More
Raxis 2011 Atlanta, USA Free Consultation Learn More
Acunetix 2004 London, England Free Demo Learn More
Invicti 2018 Austin, Texas, USA Free Demo Learn More

1) BreachLock

Best for Fast Penetration Testing Services across Full-Stack Systems

BreachLock, the leader in Pen Testing as a Service (PTaaS) and advanced Penetration Testing Services, offers the power of Human-Validated AI Penetration Testing Services, including a comprehensive vulnerability assessment, with integrated DevOps remediation to accelerate patching of critical vulnerabilities with expert customer support.

BreachLock is a full-stack Penetration Testing Services Provider, offering an on-demand, comprehensive Pen Testing as a Service (PTaaS) to help you identify security risks and meet compliance requirements.


  • Human-Validated AI Penetration Testing Services
  • Pen Testing as a Service (PTaaS) for continuous penetration testing and on-demand pen testing services
  • Complimentary Vulnerability Assessment
  • Secure Cloud Platform
  • Vulnerability Scanning
  • RATA and DAST Technology
  • Manual, Automated, and Hybrid penetration testing methodologies mapped to NIST CSF and OWASP Frameworks
  • Comprehensive, Compliant-ready Pentest Reports, Free of false positives, conducted in ½ the time at ½ the price of alternatives
  • Secure Cloud Platform Engineered for Advanced Penetration Testing and Vulnerability Management
  • Integrations: Jira, Slack, Trello
  • Clients: Conteneo, Fond, BrainFights, DeskYogi, SpotHero, DNV-GL, Viking, Netlink, Foley, Kingsgate Logistics, Commerce West Bank
  • Services: Pen Testing as a Service (PTaaS), Application Penetration Testing, Network Penetration Testing, API Penetration Testing, Mobile Penetration Testing and many others,
👍 Pros 👎 Cons
Start a new pen test in 1 business day, in ½ the time at ½ the cost of alternative pen testing companies. Does not offer on-location pen testing.
Affordable full stack penetration testing services to comprehensively test systems for security and compliance at scale, including pentest reports for audit-readiness and attestation.
1-Year of access to the BreachLock Client Portal with customer support, free web rescanning and monthly reports to validate security and remediate critical updates.

Key Specs:

Pricing: Contact Customer Support for Pricing
Free Trial: Free Demo
Headquarters: USA- New York, EU- Amsterdam
Year Found: 2019
Vulnerability Scanners: Yes

Visit BreachLock >>

2) ScienceSoft

Best for Tailored and Secure Penetration Testing

With a solid track record of 200+ successful security testing projects, ScienceSoft’s Certified Ethical Hackers are recognized for their advanced technical skills and multi-industry expertise. In cybersecurity since 2003, ScienceSoft offers penetration testing services to software vendors, SaaS providers, and businesses in healthcare, banking and finance, retail, manufacturing, telecoms, and 25 other industries.

ScienceSoft’s clients describe the team as very attentive to detail, professional, and always willing to share their cybersecurity knowledge. As an ISO 9001- and ISO 27001-certified vendor, ScienceSoft is able to guarantee high-quality services and full security of its customers’ data.



  • Services: Vulnerability Assessment, OSINT, Security Code Review, Penetration Testing, DoS Testing, Social Engineering Testing, Red Teaming, Compliance Testing.
  • Testing targets: Networks, databases, web/mobile/desktop applications, cloud apps and infrastructure, employees’ security awareness.
  • Preventing: malware dissemination, DoS/DDoS attacks, ransomware, password cracking, code injections, man-in-the-middle attacks, phishing, identity theft, unauthorized access, compliance breaches, and other threats.

Why is it best for tailored and secure penetration testing?

Equipped with NIST and OWASP best practices, ScienceSoft’s pentesters offer optimal tools and techniques for each specific project, reveal any known security vulnerabilities, and deliver exhaustive reports with actionable remediation advice. Importantly, ScienceSoft guarantees safe and controlled testing activities that will not damage its customers’ IT assets or disrupt their business operations.

👍 Pros 👎 Cons
Detailed, to-the-point reports with actionable remediation guidance. Real-time monitoring of the test status is on the vendor’s side. (there’s a dedicated project manager who keeps the customer informed on the project progress).
On-demand vulnerability remediation aid by senior security engineers and developers.
Assistance in achieving and proving compliance with common security standards and regulations, including HIPAA, PCI DSS, GLBA, GDPR, ISO 27001, SOX, NIST, SOC 2, NYDFS.

Key Specs:

Pricing: Contact the vendor to get a quote.
Year Found: 1989
Offices: US, UAE, Finland, Poland, Latvia, Lithuania.
Clients: Robert Half, RBC Royal Bank, Carrefour, Tieto, NASA JPL, M&T Bank, eBay, Nestle, Deloitte, Walmart, Viber, and more.

Visit ScienceSoft >>

3) ThreatSpike Labs

Best for results and cost-effectiveness

ThreatSpike offers the first managed service for penetration testing that delivers year round, unlimited testing for an affordable, fixed price. Their expert team of offensive security testers use a combination of automated tools and manual analysis to review and identify vulnerabilities in web applications, on-premise infrastructure, cloud services, mobile phone applications and IoT devices.

ThreatSpike’s managed service also includes red team assessments, where their team attempts to socially engineer users to gain access to their accounts and corporate devices, from which they attempt to elevate privileges and move laterally to high value assets. Their team can also attempt to gain physical access to offices and data centers to test their security controls.



  • Unlimited penetration tests and red team exercises
  • Internal and external infrastructure testing
  • OWASP aligned web application testing
  • Mobile application, IoT device and cloud service testing
  • Engagements led by certified specialists
  • Detailed finding reports
  • Manual and automated testing
  • ISO 27001, SOC 2, PCI-DSS and Cyber Essentials aligned tests
  • Vulnerability scanning
  • Physical on-site testing
  • Monthly account meetings

Why it is best for results and cost-effectiveness?

ThreatSpike’s managed penetration testing service is competitively priced and offers year-round testing for the same amount that most testing firms would typically charge for a one-off assessment. The red team assessments generate incredible output and go far beyond the testing which has been available to most companies.

👍 Pros 👎 Cons
Provides year round testing rather than just a point in time A relatively new offering in the market
Competitively priced, especially for large organizations
Red team assessments provide visibility into company wide security gaps, including user awareness issues

Visit ThreatSpike >>

4) Intruder

Best for fast and accurate results

Intruder is a cyber security company that helps over 2500 organizations reduce their attack surface by providing continuous vulnerability scanning and penetration testing services. Intruder’s powerful scanner is designed to promptly identify high-impact flaws and changes in the attack surface.

When new vulnerabilities are discovered, Intruder proactively scans your systems and automatically alerts you, saving you time to focus on what truly matters. Its intuitive platform makes vulnerability management and security testing effortless for companies of all sizes.

Their hybrid penetration testing services help to close the gap between automated scanning and point-in-time penetration testing by augmenting your team with skilled penetration testers who will identify critical vulnerabilities faster.

Intruder’s high-quality reports are perfect to pass onto prospective customers or comply with security regulations, such as ISO 27001 and SOC 2. You can try Intruder’s automated vulnerability scanner free for 14 days.



  • Automated as well as manual checks, including continuous penetration testing services
  • Reviews across your publicly and privately accessible servers, cloud systems, and endpoint devices
  • Comprehensive web application tests, including checks for single page applications (SPAs) & OWASP top 10
  • Integrations with major cloud providers (AWS, Azure, GCP), and multiple developer tools (Jira, GitHub, Zapier, …)
  • Network scans and network view to easily search for open ports and services & identify technologies that an attacker can access

Visit Intruder >>

5) Astra Pentest

Best for Reports with Zero False Positives

Astra pentest is a world-class penetration testing provider that is equipped with a comprehensive, constantly evolving vulnerability scanner. Their pentesting and vulnerability scanning services can be availed for testing your web and mobile applications, cloud platform, networks, and APIs

The platform offers scans behind logins, a crucial feature for SaaS applications. Along with a vulnerability scanner that emulates hacker behavior, Astra also comes with vulnerability management capabilities.

Astra Pentest


  • 3500+ security tests by intelligent vulnerability scanner that emulates hacker behavior
  • OWASP Top 10 and SANS 25 Testing
  • In-depth Pentest by security experts
  • Vetted scans to ensure zero false positives
  • Follows NIST and OWASP Testing Methodologies
  • Managed automated and manual pentesting
  • One-click actions for report download, email, and more.
  • Engineer and developer-friendly dashboard.
  • Contextual bug fixes collaboration between your developers and security team.
  • Security test cases that help with SOC2, GDPR, HIPAA, PCI-DSS, and ISO 27001 compliance.
  • Publicly verifiable Pentest Certificate after every successful pentest.
👍 Pros 👎 Cons
Follows NIST and OWASP methodologies for penetration testing. Does not offer on-location pen testing
Large vulnerability database based on known CVEs, new intel, bug bounty reports, and previous pentests.
CI/CD integrations are possible with Slack, Jira, GitHub, GitLab, and more.

Key Specs:

Pricing: Contact Customer Support for Pricing
Free Trial: Free Demo
Headquarters: USA
Year Found: 2015
Vulnerability Scanners: Yes

Visit Astra Pentest >>

6) Raxis

Best Full-Service Manual Penetration Company

Raxis, a boutique pentesting firm that uses 100% U.S. citizens based in the United States, is recognized for both their PTaaS (Penetration Testing as a Service) and traditional penetration testing services that can be customized to fit the needs of small local companies all the way to large corporations.

Raxis is best known for qualified testers who use the proprietary Raxis One web application to communicate with their customers throughout each engagement. Excellent reporting both in PDF format and within Raxis One are also provided with their engagements. Raxis includes retesting with their traditional penetration tests, and their PTaaS models provide continuous network testing and on-demand application testing throughout the year.



  • Powered by Raxis One, a secure web interface for all Raxis services
  • Network testing: Internal, External, Wireless, IoT, SCADA
  • Application testing: Web, Mobile, Thick Clients, API
  • Customized Red Team testing
  • Fully capable of working with cloud providers and content delivery networks such as Amazon AWS, Microsoft Azure, Google Cloud, Cloudflare, Akamai, hybrid cloud, and SaaS solutions
  • Predictable timeline for the assessment
  • Exploitation, pivoting to other in-scope systems, and data exfiltration in scope
  • Executive debrief conference provided, if desired
  • Remote internal & wireless network access option available via Raxis Transporter
  • Optional re-test to validate remediation
  • May be combined with Social Engineering for a customized solution
  • Annual PTaaS available for all traditional testing services. All PTaaS services utilize human testers from the same team that performs traditional penetration tests.
  • All Raxis tests are based on the MITRE ATT&CK penetration testing framework
  • Meets or exceeds requirements for NIST 800-53, NIST 800-171/CMMC, PCI, HIPAA, GLBA, ISO 27001, and SOX compliance
  • Available as a one-time service, multi-year agreement, or continuous monitoring

Key Specs:

Pricing: Contact Raxis for scoping and pricing
Free Demo/Consultation: Yes
Headquarters: Atlanta, Georgia, USA
Year Founded: 2011
Human Testers: Yes

Visit Raxis >>

7) Acunetix

Best for Scanning for all vulnerabilities of your application quickly

Acunetix provides fast and accurate security services that scan and uncover vulnerabilities. They help rectify misconfigurations and put in place improvements in various areas. You can also test Single Page Applications, HTML and JS websites, complex URLs, multi-level forms, and more. Acunetix also checks SQL injections, database exposures, XSS, server misconfigurations, etc.

Acunetix takes advantage of many use cases, advanced scans, and security features for complete safety, making it the best penetration testing company. Its automatic security features check, protect and fortify over 2300 companies across the globe.

Their penetration tests, vulnerability scans, and security assessments give extensive insights to developers. These insights help developers swiftly resolve security issues. It integrates well with Issue Trackers and WAFs and is available on Windows, Linux, and the Web.



  • Supports on-premise or cloud deployments
  • Excellent API to build your integrations
  • Provides automated vulnerability scan as well as in-depth manual penetration tests
  • Integrations: Centraleyezer, CyberArk Workforce Identity, Dradis, GitHub, Imperva CDN, Imperva DDoS Protection, etc.
  • Services: Penetration Testing, Vulnerability Assessment, Compliance Reporting Functionality, Web security, etc.
  • Clients: AVG, American Express, Cognizant, AWS, US Air Force, etc.
  • Network Security: Yes

Why is it best to scan for all exposures of your application?

This pen testing company scans servers, sites, applications, and databases for vulnerabilities. They use advanced scripts to automate scanning in password-protected or difficult-to-reach locations. This firm helps ensure proper checking of every corner of your app, website, or server.

👍 Pros 👎 Cons
Provides training and documentation for putting in place the best cyber security solutions. Doesn’t allow making changes to your plan or the number of applications permitted after purchase.
Helps identify the majority of vulnerabilities and cut false positives
Scans every single page built on JavaScript, HTML, or RESTful API

Key Specs:

Pricing: Contact Customer Support for Pricing
Free Trial: Free Demo
Headquarters: London, England
Year Found: 2004
Vulnerability Scanners: Yes

Visit Acunetix >>

8) Invicti

Best for Fortifying apps and websites

Invicti provides a fast and reliable application security testing service. They provide pen testing services for a wide range of software. You will also get a data-rich analysis of your security presented in an easy-to-understand representation.

Invicti is one of the top penetration testing companies supporting the scanning of apps built with NET and PHP.. Their proof-based scanning checks automatically verify vulnerabilities and suggest steps required to correct them.



  • Defends Cross-site Scripting and SQL injections in Web Applications and APIs
  • Allows creating custom scans for some specific area to do an in-depth scan of that region.
  • They also allow for scanning password-protected areas of web applications through necessary credentials
  • Integrations: GitHub, Slack, Jira, Microsoft Teams, okta, etc.
  • Services: Penetration Testing, Website Security Scanning, Web Vulnerability Scanning, etc.
  • Clients: Verizon, Cisco, NASA, NFL, Ford, etc.
  • Network Security: Yes

Why is it best for fortifying apps and websites?

Invicti enables enterprises with complex apps to automate their web security easily by providing security teams with in-depth scanning capabilities.

👍 Pros 👎 Cons
Available locally on Windows and as an online service Initial configuration and setup could be time consuming
Allows automating security tasks and routine checks easily
Integrates effectively with development tools and workflows, guaranteeing optimal security.

Key Specs:

Pricing: Contact Customer Support for Pricing
Free Trial: Free Demo
Headquarter: Austin, Texas, USA
Year Found: 2018
Vulnerability Scanners: Yes

Visit Invicti >>

9) Pentera

Best for Safely testing all cybersecurity layers

Pentera helps businesses perform security testing using vulnerability scanners to check security issues. Its independent validation lets you check your security readiness at any given instant. You may maintain maximum resilience and reduce your cyber exposure by doing daily, weekly, and monthly security checks on various parts of your apps and services. They help mitigate all risks by creating a risk-based remediation roadmap.

You can gather information about the latest tactics and methodologies used by hackers, which can be used to test your systems and mitigate security concerns from your apps and services. They provide security validations and hardening for your company’s in-office and remote employees.



  • Test for diverse real-world malware and ransomware exploits from MITRE ATT&CK methods
  • Allows emulating real-world offensive attacks with safe exploits
  • Integrations: ServiceNow, Vectra Cognito, Palo Alto Networks AutoFocus, Emerge Cyber Security, CyberArk Conjur
  • Services: Pentesting, Compliance, cybersecurity, Pen testing, Securing Networks, Vulnerability Assessment, Ethical Hacking, etc.
  • Clients: Deloitte, Exabeam, IDB Bank, Leica, Mini-Circuits, etc.
  • Network Security: Yes

Why is it best to safely test all cybersecurity layers?

Pentera helps augment real-world attacks and tests all security layers for you. They use automated security validation to make a repair roadmap for fixing vulnerabilities. It tests all layers of cybersecurity safely and accurately.

👍 Pros 👎 Cons
Helps focus on vulnerabilities based on actual risk and their potential impact No API key is available
Straightforward and fast tools that allow efficient testing, analyzing findings, and fixing threats.
Shows visual analysis of all “kill chains” originating from discovered vulnerabilities

Key Specs:

Free Trial: Free Demo
Headquarters: Petah Tikva, Israel
Year Found: 2015
Vulnerability Scanners: Yes

Link: https://www.pentera.io/

10) Nessus

Best for Vulnerability scanning and assessment

Nessus offers unrivaled thorough penetration tests that help identify the most crucial regions. These regions are then targeted aggressively in manual pen testing. They collaborate deeply with their active community and use many data sources.

Their penetration test identifies software flaws, missing patches, malware, and misconfigurations in systems. The company provides tools that help you to reduce the effort and time needed to manage your security. Nessus allows exporting scan data into easily understandable reports that give you a better idea of the current risk levels.



  • Advanced API allows creating automation and custom workflows to manage all your security needs
  • Provides real-time analytics, monitoring, reporting, and risk evaluation available through customizable reports
  • Accurate and continuous network monitoring ensures the earliest notification of any security threat
  • Integrations: ServiceNow, IBM Security, AWS, Google Cloud, etc.
  • Services: Penetration Testing, Website Security Scanning, Web Vulnerability Scanning, etc.
  • Clients: American Eagle, Virtustream, World Wide Technology
  • Network Security: Yes

Why is it best for vulnerability scanning and assessment?

Nessus uses a vastly experienced penetration testing team that includes security experts and ethical hackers who help quickly discover new vulnerabilities. They scan for all vulnerabilities for you and provide a detailed assessment.

👍 Pros 👎 Cons
Excellent plugins for scanning every vulnerability Generally, more time-consuming compared to other penetration testing services
Options to buy advanced support and on-demand training to understand the working/usage of Nessus better
Visually pleasing and easy to understand reports available in PDF and HTML formats

Key Specs:

Pricing: Plans start at $3390 per year
Free Trial: Yes – 30 Days
Headquarters: Columbia, Maryland, USA
Year Found: 2002
Vulnerability Scanners: Yes

Visit Nessus >>

11) Defendify

Best for Providing many layers of security to organizations

Defendify is one of the most popular penetration testing services for all-in-one cybersecurity solutions. They provide you with data-rich reports, alerts, recommendations, and guidance to improve your security. This penetration testing service uses some of the most well-trained ethical white hat hackers to find vulnerabilities.

You can use their incident report plans to help you take action against any security threat. They generate cybersecurity awareness through training videos and graphics. Their cybersecurity expertise ensures proper penetration testing for networks, applications, and endpoints. They also provide relevant recommendations for mitigating all discovered risks.



  • Stolen password scanner checks for your credentials leaked on Dark Web and reported them back to you.
  • Artificial Intelligence, Machine Learning, and Contextual Prioritization powered tools to scan for network and system-level vulnerabilities
  • Services: Cybersecurity Risk Assessments, Technology, and Data Use Policies, Penetration Testing
  • Network Security: Yes

Why is it best to offer many layers of security to organizations?

It is the best security provider with many layers of protection. This pen-testing firm protects you against many advanced threats with features like Cybersecurity Assessments, Technology & Data Use Policies, Incident Response Plans, Ethical Hacking, Threat Alerts, Phishing Simulations, etc.

👍 Pros 👎 Cons
Training and awareness videos help employees better detect any security threats on their own. No API support for creating integrations
Allows training for defense against phishing scams
Improves security by implementing many securities layers

Key Specs:

Pricing: Contact Customer Support for Pricing
Free Trial: Basic Free Trial Plan
Headquarters: Portland, Maine, USA
Year Found: 2017
Vulnerability Scanners: Yes

Link: https://www.defendify.com/

12) Detectify

Best for Ensuring accurate scanning and extended security

Detectify is one of the best penetration testing companies for domain and web security services. They help you efficiently perform automated or manual web application penetration testing to find the vulnerabilities in your web applications. You get priority remediation guidance and a full report to assist you in promptly resolving the issues.

Detectify’s cloud-based penetration testing services allow for breach and attack simulation (BAS), creating the most realistic ethical hacking attempts to test your apps. They check for all vulnerabilities from OWASP top 10, CORS, Amazon S3 Bucket, and their moral hacker network to ensure your safety from all newly discovered vulnerabilities.



  • Helps stay protected from the latest vulnerabilities discovered by their 200 handpicked cyber security researchers
  • Detectify’s Deep Scan efficiently simulates real hackers and ensures accurate penetration tests
  • Integrations: Slack, 6clicks, Trello, Wufoo, etc.
  • Services: Penetration Testing, Vulnerability Scanning, etc.
  • Clients: Spotify, Trustly, Photobox, Grammarly, Smartbear, etc.
  • Network Security: No

Why is it best to provide precise scanning and ample safety?

Detectify uses white hat hackers and trusted sources to map out the entire attack surface to uncover anomalies and detect the most recent business-critical vulnerabilities in no time. The ethical hacker network ensures accurate scanning.

👍 Pros 👎 Cons
Provides detailed exclusive research documents with many cyber security solutions and best practices Insufficient metrics and reports available
Scans for more than 2000 vulnerabilities for all web applications
Allows in-depth manual testing as well as continuous automated security testing

Key Specs:

Pricing: Plans start at $50 per month, billed annually
Free Trial: Yes – 14 Days
Headquarters: Stockholm, Sweden
Year Found: 2013
Vulnerability Scanners: Yes

Link: https://detectify.com/


❓ What is Penetration testing?

A penetration test, also known as a pen test, is a security exercise where experts run various tests to find vulnerabilities in a computer system. The best penetration companies run advanced non-hostile planned penetration attacks. These penetrations help identify and report possible security threats to a system. The reported security threats help in strengthening the firewall of that system further. A penetration test can check APIs, applications, frontend, servers, databases, and more.

👉 What are the best penetration testing companies?

Finding the right penetration testing company isn’t easy. Here are the best penetration testing services:

🏅 What are the goals of penetration testing?

There are many reasons to use penetration testing for a business. The main goals that you execute through the best penetration testing companies are:

  • Find vulnerabilities and security weaknesses in applications, servers, machines, networks, etc.
  • Uncover areas hackers could use to get into the system, steal data, or change critical software codes
  • Take measures to improve security and tackle all those vulnerabilities.