10 Best Penetration Testing Companies in 2025

Penetration testing has evolved from a niche security practice into a critical component of every organization’s cybersecurity strategy in which Penetration Testing Companies performing major role.

In 2025, with the proliferation of sophisticated AI-powered threats, an expanding cloud-native attack surface, and the increasing pressure of regulatory compliance, a simple “check-the-box” pen test is no longer sufficient.

Organizations now require expert-led, continuous, and platform-driven security validation that goes beyond automated scanning.

Choosing the right penetration testing company is a strategic decision that can determine your security posture and resilience against real-world attacks.

A great partner provides not just a list of vulnerabilities but actionable, contextual insights, and a clear path to remediation.

This article, meticulously researched for 2025, presents the Top 10 Best Penetration Testing Companies, evaluating them based on their methodology, technology, expertise, and how they address the modern threat landscape.

How to Pick the Right Penetration Testing Company

Selecting a Penetration Testing Companies are more than just looking at a price tag. The best choice depends on your organization’s specific needs, maturity, and budget. Here are the key factors to consider:

• Your Attack Surface: Do you have a simple web application, a complex hybrid cloud environment, or a mix of mobile apps and APIs? The company you choose should have deep expertise in testing your specific assets.
• Methodology and Approach: Do you need a one-off, compliance-focused test, or are you looking for a continuous security validation program? A PTaaS model may be ideal if you have a fast-paced, agile development cycle.
• The Blend of Automation and Human Expertise: Automated tools are great for speed and breadth, but only a skilled human tester can find complex business logic flaws and chain multiple low-risk vulnerabilities into a critical attack. Look for a company that combines the best of both.
• Reporting and Remediation Support: A good report is not just a list of CVEs. It should provide a clear, prioritized, and actionable roadmap for remediation, often with a retesting phase to confirm the fixes.
• Compliance Requirements: If you are in a regulated industry (e.g., finance, healthcare), ensure the company has experience and can provide reports that meet compliance standards like SOC 2, ISO 27001, or HIPAA.
• Reputation and Trust: In offensive security, a company’s reputation is everything. Look for a partner with a strong track record, recognized certifications, and a team of well-known security researchers. The tactics used by advanced hacker groups like Scattered Spider highlight why choosing a reputable and experienced team is non-negotiable.

Comparison Table: Top 10 Penetration Testing Companies 2025

Company / Service	PTaaS Model	Automated Scanning	Manual Testing	AI-Powered Features	Continuous Testing	Full-Scope Services
Raxis	✅ Yes	✅ Yes	✅ Yes	✅ Yes	✅ Yes	✅ Yes
SecureLayer7	✅ Yes	✅ Yes	✅ Yes	❌ No	✅ Yes	✅ Yes
Pentera	✅ Yes	✅ Yes	✅ Yes	✅ Yes	✅ Yes	❌ No
Bishop Fox	❌ No	✅ Yes	✅ Yes	❌ No	✅ Yes	✅ Yes
NetSPI	✅ Yes	✅ Yes	✅ Yes	✅ Yes	✅ Yes	✅ Yes
Acunetix	❌ No	✅ Yes	❌ No	✅ Yes	✅ Yes	❌ No
Intruder	❌ No	✅ Yes	❌ No	❌ No	✅ Yes	❌ No
ThreatSpike Labs	✅ Yes	✅ Yes	✅ Yes	✅ Yes	✅ Yes	✅ Yes
Redscan (Kroll)	❌ No	✅ Yes	✅ Yes	✅ Yes	❌ No	✅ Yes
Cobalt	✅ Yes	✅ Yes	✅ Yes	✅ Yes	✅ Yes	✅ Yes

10 Best Penetration Testing Companies of 2025

1. Raxis

Raxis leads the industry in AI-augmented penetration testing and PTaaS (Penetration Testing as a Service). Headquartered in Atlanta, GA, Raxis distinguishes itself with a senior-level pentesting team empowered by advanced automated scanning and AI tools.

This combination ensures comprehensive coverage and enables testers to dedicate more time to manual exploit attempts and chained attack scenarios.

As a result, clients receive a clear and realistic understanding of possible attack paths and the potential impact a real-world adversary could have on their organization.

What sets Raxis apart is its focus on compliance-driven penetration testing, supporting critical standards such as PCI DSS, HIPAA, SOX, SOC 2, and more.

Their reporting not only fulfills regulatory requirements but goes further by providing practical remediation guidance, real-world attack scenarios, and follow-up retesting for maximum risk reduction.

Raxis’ PTaaS solution, delivered through the proprietary Raxis One portal, offers clients powerful visibility into their security posture.

Users can track vulnerability trends over time, request unlimited on-demand pentests, instantly access reports and scan results, and communicate directly with senior penetration testers.

This hands-on, transparent approach ensures that companies are always prepared, informed, and able to continuously strengthen their defenses, making Raxis a premier choice for organizations seeking thorough, real-world security testing combined with modern AI enhancements.

Why We Picked It:

Raxis’ AI-augmented penetration testing means the best of both worlds with comprehensive testing that also allows the senior-level human penetration testing team to focus on manual multi-step, complex chained attacks.

Their Raxis One platform allows their clients to view tradition penetration tests and PTaaS results in one place along with communications with their project manager and senior pentesting team, including real-time chat services for PTaaS customers.

Their broad range of services and the ability of their senior-level team to customize engagements means that customers of all sizes across multiple industries return year after year.

Features and Specifications: 

Feature	Yes/No	Specifications
Manual Penetration Testing	✅ Yes	All penetration testing and PTaaS services are performed by human testers on the senior pentesting team.
AI Augmented Testing	✅ Yes	Uses proven AI methods to deliver comprehensive results while allowing the senior pentesting team to focus on complex exploits.
Red Teaming	✅ Yes	Performs real-world attacks that combine penetration testing and social engineering styles. Known for being called in when other red teams fail.
Penetration Testing as a Service (PTaaS)	✅ Yes	Provides expert-driven, unlimited penetration testing within DevSecOps workflows, as well as real-time reporting.
Cloud Penetration Testing	✅ Yes	Performs penetration testing and PTaaS services across AWS, Azure, GCP, Salesforce, and more using their human senior penetration testing team.
Diverse Testing Services	✅ Yes	Provides network, application, wireless, API, OT/Scada testing as well as red teams, secure code reviews, and comprehensive security assessments.
Real-Time Reporting	✅ Yes	Provides instant reports of each pentest for PTaaS customers.
Compliance Reports	✅ Yes	All PTaaS and penetration test reports are in alignment with the NIST 800-115 specification, ensuring they provide thorough documentation of testing scope, findings, remediation steps, and validation evidence.

Pros:

• Senior-Level Expertise: Their senior-level, U.S. based penetration testing team performs all engagements. Their team includes no junior-level testers, and they provide no fully automated services.
• Advanced Red Teaming: Known for their highly skilled and effective red teaming, they are often called in when a competitor’s red team had few to no findings.
• Customizable Engagements: Their sales team consistently works with clients to customize engagements to meet compliance requirements and security needs as well as budgeting concerns.
• AI Augmentation: On the forefront of AI-augmentation in both penetration testing and PTaaS, their services are easily built into DevSecOps processes to provide both thorough and deep-dive exploit results.

Cons:

• Not Fully Automated: Although they use AI tools and scanning to augment their human team and provide them more time for manual exploits, they offer no options that are fully automated.
• Manual Testing: Their focus on manual testing means that their engagements, while scheduled quickly, do not conclude immediately via automated channels.

✅ Best For: Organizations of all sizes looking for thorough penetration testing and PTaaS services that go beyond checkbox testing.

🔗 Try Raxis here → Raxis Official Website

2. SecureLayer7

SecureLayer7 has carved a niche for itself by offering a comprehensive suite of offensive security services, blending deep manual expertise with its in-house pentest platform, BugDazz.

This is one the Penetration Testing Companies focuses on a wide range of testing, including web applications, mobile apps, and APIs, with a particular emphasis on bridging the gap between security and development.

They are known for providing highly detailed and actionable reports, going beyond automated findings to uncover complex business logic flaws and multi-stage vulnerabilities that scanners often miss.

Their approach is particularly effective in identifying the kind of advanced, chained vulnerabilities that are often leveraged by modern hacker groups. The tactics of groups like Scattered Spider show why this deep, manual expertise is so critical.

They have also developed specialized services to counter new threats, such as those posed by Akira ransomware, which requires a more nuanced and thorough approach than traditional scanning.

Why We Picked It:

SecureLayer7’s commitment to in-depth manual testing and their unique BugDazz platform gives them a clear advantage.

The platform provides clients with full transparency into the pentest’s progress, which is a significant factor in building trust.

Their services are designed to help organizations of all sizes secure their digital assets without sacrificing developer velocity, which is crucial in today’s fast-paced environment.

Features and Specifications:

Feature	Yes/No	Specification
Manual Penetration Testing	✅ Yes	Expert-led testing for a wide range of assets.
Automated Scanning	✅ Yes	Utilizes advanced scanning tools to complement manual efforts.
BugDazz Platform	✅ Yes	A proprietary platform for transparent project management and reporting.
Red Teaming	✅ Yes	Services that go beyond standard pentesting to simulate real-world attacks.
Source Code Audits	✅ Yes	Offers in-depth manual code review to identify vulnerabilities.
Compliance Support	✅ Yes	Provides services and reports to help meet standards like PCI DSS, GDPR, and HIPAA.
CREST-accredited	✅ Yes	The company and its consultants are accredited by CREST.

Pros:

• In-Depth Manual Expertise: Renowned for their ability to find complex, hidden vulnerabilities that automated scanners overlook.
• Transparency: The BugDazz platform gives clients a real-time view into the testing process, building trust and collaboration.
• Comprehensive Services: Offers a wide range of services, including specialized testing for AI/LLM and IoT systems.
• Compliance-Focused: Services are specifically tailored to help organizations meet various regulatory requirements.

Cons:

• Not as Scalable as PTaaS: While they offer a continuous model, it may not be as instantly scalable as a pure PTaaS model for a high volume of small, ad-hoc tests.
• Manual Effort: The focus on manual testing, while thorough, can mean longer engagement times compared to heavily automated platforms.

✅ Best For: Organizations with complex applications and APIs that need a blend of expert-led manual testing and a platform for transparent, real-time tracking.

🔗 Try SecureLayer7 here → SecureLayer7 Official Website

3. Pentera

Pentera has established itself as a leader in the automated security validation space.

Their platform simulates real-world attacks to autonomously test and validate an organization’s security posture across the entire attack surface.

This “black box” approach identifies exploitable vulnerabilities and attack paths, providing a risk-based remediation roadmap.

Pentera’s key strength lies in its ability to provide continuous, on-demand testing at scale, moving beyond a point-in-time snapshot to a constant state of security validation.

This is particularly useful in testing defenses against fast-evolving threats like those seen in recent AI security research.

Why We Picked It:

Pentera’s focus on automated security validation is a game-changer for large enterprises that need to validate their security controls at scale and on an ongoing basis.

Their platform’s ability to emulate a wide range of real-world threats and prioritize exploitable vulnerabilities, rather than just listing them, provides invaluable insights.

This model is perfect for organizations looking to move from annual pentests to a continuous validation strategy without the constraints of human-led testing.

Features and Specifications:

Feature	Yes/No	Specification
Automated Security Validation	✅ Yes	Continuously validates an organization’s security posture.
Agentless	✅ Yes	Operates without the need to install agents on target systems.
Safe to Run in Production	✅ Yes	Designed to run safely without disrupting business operations.
External and Internal Coverage	✅ Yes	Validates security controls across both external and internal attack surfaces.
Real Attack Emulation	✅ Yes	Mimics the tactics, techniques, and procedures (TTPs) of real-world adversaries.
Risk Prioritization	✅ Yes	Provides an actionable report on exploitable vulnerabilities, prioritizing based on potential impact.
No Manual Testers	❌ No	The platform is fully automated and does not use human testers.

Pros:

• Automated at Scale: Provides continuous, on-demand testing across a vast attack surface without manual constraints.
• Actionable Insights: Focuses on exploitable vulnerabilities and attack paths, not just a list of CVEs.
• Non-Invasive: The agentless architecture simplifies deployment and minimizes the impact on the environment.
• Efficiency: Ideal for large organizations needing to validate security controls and identify misconfigurations on an ongoing basis.

Cons:

• Lacks Manual Finesse: The platform-only approach may miss highly complex, scenario-based logic flaws that only a human can uncover.
• Not a Traditional Pentest: It is a security validation platform, not a full-service pentesting company, so it may not meet all compliance requirements that mandate a human-led test.

✅ Best For: Large enterprises and security teams looking to automate security validation at scale and move from yearly pentests to continuous security posture management.

🔗 Try Pentera here → Pentera Official Website

4. Bishop Fox

Bishop Fox is widely recognized as a premier cybersecurity consulting firm specializing in advanced penetration testing and red teaming services.

Known for their elite team of ethical hackers and deep expertise, they tackle the most complex security challenges.

Their methodology is highly manual and scenario-based, designed to uncover hidden vulnerabilities and chain exploits that automated tools simply cannot find.

While they offer continuous services like their Cosmos platform, their core strength remains in their hands-on, expert-driven engagements.

The recent disclosure of hacker group tactics, like those of Scattered Spider, underscores the value of such expert-led, manual testing.

Their work has been instrumental in helping organizations understand and respond to the most persistent and sophisticated threats, including new forms of ransomware.

The analysis of groups like Akira Ransomware highlights the necessity of this level of detail.

Why We Picked It:

Bishop Fox’s reputation for having some of the best minds in offensive security is well-earned.

When an organization needs more than a standard pentest—when they need a true adversary simulation or a deep-dive into a complex, custom application—Bishop Fox is often the go-to choice.

Their focus on the human element of hacking and their ability to think like an attacker is their greatest asset, making them invaluable for critical infrastructure and high-value targets.

Features and Specifications:

Feature	Yes/No	Specification
Manual Testing	✅ Yes	All services are led by highly skilled human security experts.
Red Teaming	✅ Yes	A core offering, simulating sophisticated, multi-pronged attacks.
Cloud Penetration Testing	✅ Yes	Expertise in assessing complex cloud environments (AWS, Azure, GCP).
Application & Network Testing	✅ Yes	Comprehensive testing for web apps, mobile apps, and internal/external networks.
Cosmos Platform	✅ Yes	A continuous offensive security platform that augments human expertise.
Compliance Support	✅ Yes	Helps organizations meet stringent regulatory and third-party requirements.
Detailed Reporting	✅ Yes	Provides both high-level executive summaries and in-depth technical reports.

Pros:

• Elite Expertise: Consistently ranked among the most skilled and respected teams in the industry for their manual testing capabilities.
• Advanced Red Teaming: Offers top-tier adversary simulations for organizations that need to test their detection and response capabilities.
• Customization: Engagements are highly tailored to the client’s specific needs, no “one-size-fits-all” approach.
• Comprehensive Scope: Expertise in niche areas like IoT, hardware, and embedded systems that many other firms can’t test.

Cons:

• Premium Pricing: Their top-tier expertise and manual approach come at a significant cost, making them less accessible for SMBs.
• Not a PTaaS Model: While they have a continuous platform (Cosmos), their core service is a traditional, project-based engagement, which may not be ideal for fast-paced, ad-hoc testing.

✅ Best For: Large enterprises and organizations that require the highest level of manual, expert-led penetration testing and advanced red teaming services.

🔗 Try Bishop Fox here → Bishop Fox Official Website

5. NetSPI

NetSPI is a leading provider of enterprise penetration testing and attack surface management (ASM) solutions.

They combine a team of experienced testers with a proprietary platform to deliver a comprehensive, continuous security testing program.

Their platform provides real-time visibility into an organization’s attack surface, helping to identify and prioritize exploitable vulnerabilities.

NetSPI is particularly strong in its ability to scale testing programs to meet the needs of large, complex organizations with thousands of assets, integrating seamlessly into their security and development workflows.

Their platform is also designed to test against emerging threats, including the nuanced attacks that exploit indirect prompt injection in LLMs.

Why We Picked It:

NetSPI’s unique combination of a powerful platform with tough competiter to Penetration Testing Companies and human expertise positions them as a top-tier provider for large enterprises.

Their ASM solution, which continuously discovers and maps assets, is a critical feature for modern organizations with a constantly evolving digital footprint.

The ability to manage and orchestrate thousands of pentests through their platform provides a level of control and insight that is difficult to match.

Features and Specifications:

Feature	Yes/No	Specification
PTaaS Platform	✅ Yes	A single platform for managing penetration tests and other offensive security services.
Manual Testing	✅ Yes	All testing is performed by a large team of in-house security experts.
Real-time Findings	✅ Yes	The platform provides immediate access to findings as they are discovered.
Extensive Services	✅ Yes	Offers a wide range of services, including network, application, cloud, and AI/ML testing.
Integration with Dev Tools	✅ Yes	Integrates with ticketing and project management tools like Jira and Asana.
Breach and Attack Simulation (BAS)	✅ Yes	Provides continuous simulation to validate security controls.
Compliance Reports	✅ Yes	Helps with compliance for standards like PCI DSS, SOC 2, and HIPAA.

Pros:

• Platform-Driven PTaaS: A true PTaaS model that combines human expertise with a powerful, central platform for management.
• Robust Attack Surface Management: Their ASM solution continuously discovers and monitors an organization’s dynamic digital footprint.
• Scalable for Enterprises: Designed to handle thousands of assets and complex, multi-faceted testing programs.
• Deep Integrations: Integrates seamlessly into enterprise security and development workflows.

Cons:

• Enterprise Focus: The platform and services are primarily geared toward large enterprises, which may be an overkill for smaller organizations.
• Pricing: As an enterprise-focused solution, the cost can be a barrier for SMBs with limited security budgets.

✅ Best For: Large, complex enterprises that need a scalable, platform-driven approach to manage their vast and dynamic attack surface and penetration testing programs.

🔗 Try NetSPI here → NetSPI Official Website

6. Acunetix

Acunetix, now a part of Invicti, is a well-known automated web application security testing tool.

While not a full-service penetration testing company with human testers, it’s a critical tool for organizations that want to perform continuous, automated security scanning.

Acunetix’s advanced scanning engine can identify over 6,500 vulnerabilities, including the OWASP Top 10, with a focus on web applications and APIs.

Its strength lies in its speed, accuracy, and ability to be integrated into CI/CD pipelines, allowing for security to be a continuous part of the development lifecycle.

This helps developers test for common flaws and gives security teams a baseline to work from, a practice becoming essential as evidenced by recent data breaches that exploited known vulnerabilities.

Why We Picked It:

Acunetix stands out for its exceptional automated capabilities compare to other Penetration Testing Companies, making it a powerful solution for DevSecOps teams and organizations with a large number of web assets.

Its ability to provide “proof of exploitation” for many vulnerabilities significantly reduces false positives and helps security teams prioritize effectively.

While it lacks the human touch for logic flaws, its integration into the SDLC makes it an invaluable tool for continuous security testing.

Features and Specifications:

Feature	Yes/No	Specification
Automated Scanning	✅ Yes	Provides comprehensive, automated scanning for web applications.
Manual Testing	❌ No	Primarily a tool, not a human-led service.
IAST Technology	✅ Yes	Uses AcuSensor to combine black-box scanning with source code analysis.
Vulnerability Management	✅ Yes	Built-in vulnerability management and remediation guidance.
Integration with Dev Tools	✅ Yes	Integrates with CI/CD pipelines and ticketing systems.
Compliance Reports	✅ Yes	Generates reports for compliance with standards like OWASP Top 10 and PCI DSS.
Network Scanning	✅ Yes	Includes a port scanner and network alerts to check the web server.

Pros:

• Automated & Efficient: Provides fast, continuous web application and API scanning at scale.
• Proof of Exploitation: Reduces false positives by providing proof of concept for many vulnerabilities.
• Seamless SDLC Integration: Perfect for DevSecOps teams that want to embed security into their CI/CD pipelines.
• Cost-Effective: As a tool rather than a service, it is generally a more affordable option for continuous scanning.

Cons:

• No Human Element: Cannot find business logic flaws, complex multi-step vulnerabilities, or issues that require manual ingenuity.
• Limited Scope: Primarily focused on web applications and APIs, not network, social engineering, or red teaming.

✅ Best For: DevSecOps teams and organizations that need a powerful, automated, and continuous web application security scanner to integrate into their development lifecycle.

🔗 Try Acunetix here → Acunetix Official Website

7. Intruder

Intruder is a vulnerability management platform that provides continuous monitoring and automated scanning, making it a great option for businesses that need to get on top of their security posture quickly and cost-effectively compare to other Penetration Testing Companies.

It’s designed to be simple and user-friendly, offering continuous vulnerability scanning of both internal and external assets.

Intruder’s core strength is its ability to proactively scan for new vulnerabilities as they emerge, providing “emerging threat scans” to ensure that a newly disclosed CVE is detected as soon as it becomes a risk.

This proactive approach helps to mitigate the impact of threats like ransomware attacks, which often exploit recently discovered vulnerabilities.

Why We Picked It:

Intruder is an excellent choice for small to mid-sized businesses (SMBs) and those without large, dedicated security teams. Its straightforward platform and proactive scanning model simplify a complex task.

The focus on providing actionable, prioritized results without the noise of false positives makes it highly valuable.

It’s an affordable and effective way to maintain a strong security posture and meet compliance requirements like ISO 27001 or Cyber Essentials.

Features and Specifications:

Feature	Yes/No	Specification
Continuous Monitoring	✅ Yes	Automatically discovers and scans for new vulnerabilities.
Manual Testing	❌ No	Primarily a tool for automated scanning and vulnerability management.
Intelligent Prioritization	✅ Yes	Uses risk-based prioritization to highlight the most critical vulnerabilities.
Attack Surface Management	✅ Yes	Helps organizations discover unknown assets and subdomains.
Cloud Integrations	✅ Yes	Connects with major cloud providers (AWS, GCP, Azure) for asset discovery.
Compliance Support	✅ Yes	Assists with compliance by maintaining a robust vulnerability management process.
External/Internal Scanning	✅ Yes	Offers both external and internal network vulnerability scanning.

Pros:

• Simplicity and Ease of Use: The platform is designed for non-security experts, making it accessible for SMBs.
• Cost-Effective: A more affordable option for continuous vulnerability management compared to full-service pentesting.
• Proactive Scanning: Its “emerging threat scans” feature ensures that newly discovered vulnerabilities are detected quickly.
• Actionable Reporting: Provides clear, prioritized, and easy-to-understand reports without a lot of false positives.

Cons:

• Automated Only: Lacks a human element, so it cannot find business logic flaws or complex vulnerabilities that require manual expertise.
• Not a True Pentest: While it performs automated scanning, it does not conduct a full, human-led penetration test.
• Limited Scope: Primarily focused on network and web application scanning, not specialized services.

✅ Best For: Small to mid-sized businesses (SMBs) and teams looking for an easy-to-use, cost-effective vulnerability management solution with continuous scanning capabilities.

🔗 Try Intruder here → Intruder Official Website

8. ThreatSpike Labs

ThreatSpike Labs stands out with its innovative, all-inclusive, fixed-cost subscription model among other Penetration Testing Companies.

They offer unlimited penetration testing, red teaming, and managed detection and response (MDR) services under a single plan.

This model is designed to replace one-off, expensive engagements with a continuous, always-on security service.

Their approach is highly flexible, allowing clients to request tests when they want, as often as they want, on any assets within their scope, without worrying about additional costs.

This kind of flexibility is crucial for organizations that need to stay ahead of persistent and ever-evolving threats.

For example, staying informed on the latest developments in cybersecurity from CISA and FBI is key to their proactive approach.

Why We Picked It:

The fixed-price, unlimited testing model is a major differentiator for ThreatSpike Labs.

It removes the financial and logistical barriers that often prevent organizations from testing as frequently as they should.

This model encourages a proactive security culture and provides a predictable budget for a wide range of offensive security services.

It is an excellent fit for non Penetration testing companies that need continuous security validation but want to simplify budgeting and vendor management.

Features and Specifications:

Feature	Yes/No	Specification
Unlimited Penetration Testing	✅ Yes	Subscription-based model for unlimited, expert-led penetration tests.
Managed Security Service	✅ Yes	Provides end-to-end security, including monitoring and incident response.
Red Teaming	✅ Yes	Offers advanced red team exercises to simulate real-world attacks.
Proprietary Platform	✅ Yes	Uses an in-house platform to provide real-time alerts and control.
Compliance Support	✅ Yes	Provides support for over 15 regulatory frameworks.
24/7 Threat Hunting	✅ Yes	Offers 24/7 cross-domain threat hunting as part of its service.
Fixed-Price Model	✅ Yes	All-inclusive, fixed-price subscription for predictable budgeting.

Pros:

• Fixed-Cost, Unlimited Testing: This unique model removes budgetary barriers and encourages continuous testing.
• Comprehensive Security: Combines offensive testing with MDR for end-to-end security management.
• Flexibility: Clients have full control to request testing on-demand, as needed.
• Expert-Led: All testing is performed by a team of human experts, ensuring deep-dive analysis.

Cons:

• Subscription-Based: The model may not be ideal for organizations that only need a single, one-off test.
• Less Brand Recognition: While highly innovative, it doesn’t have the same market presence as some of the larger, more established firms.

✅ Best For: Organizations that want a single, fixed-cost solution for unlimited, expert-led penetration testing and managed security services.

🔗 Try ThreatSpike Labs here → ThreatSpike Labs Official Website

9. Redscan (Kroll)

Redscan, now a part of the global risk and financial advisory firm Kroll, provides a robust suite of penetration testing services.

They are known for their meticulous manual testing methodology, which focuses on providing a clear understanding of an organization’s security posture and the real-world business impact of vulnerabilities.

With the backing of Kroll, they have access to a vast network of cybersecurity experts and threat intelligence, which they leverage to deliver highly effective, tailored testing engagements.

Their services range from network and web application tests to social engineering and red teaming.

Their work is often informed by a deep understanding of the most sophisticated cyber threats, including data breaches and the evolving tactics of ransomware groups.

Why We Picked It:

Unlike other Penetration Testing Companies, The combination of Redscan’s deep offensive security expertise with Kroll’s global brand and vast resources is a powerful one.

This partnership allows them to offer a high level of trust and expertise, which is crucial for organizations in highly regulated industries.

Their focus on manual, scenario-based testing and clear, actionable reporting makes them a reliable partner for organizations that need a thorough, hands-on security assessment.

Features and Specifications:

Feature	Yes/No	Specification
Manual Testing	✅ Yes	All services are led by experienced and certified security experts.
Threat-Informed Testing	✅ Yes	Utilizes real-world threat intelligence from Kroll’s incident response team.
Comprehensive Service Portfolio	✅ Yes	Offers network, web application, cloud, and mobile penetration testing.
Red Teaming	✅ Yes	Provides advanced red team exercises for a comprehensive security assessment.
Clear Reporting	✅ Yes	Delivers detailed, actionable reports with clear remediation guidance.
Compliance Support	✅ Yes	Helps with compliance for various industry standards.
CREST-accredited	✅ Yes	The company and its consultants are accredited by CREST.

Pros:

• Trusted Brand: The backing of Kroll provides a high level of trust and confidence, especially for regulated industries.
• Deep Manual Expertise: Known for their hands-on, scenario-based testing methodology that uncovers complex flaws.
• Global Resources: Access to Kroll’s extensive threat intelligence, incident response, and advisory services.
• Tailored Services: Engagements are highly customized to meet the unique needs and compliance requirements of the client.

Cons:

• Not a PTaaS Model: Primarily a traditional, project-based Penetration Testing Companies, which may not be suitable for continuous testing needs.
• Price Point: The high level of expertise and brand reputation often comes with a premium price tag.
• Less Automation: Less focused on automated scanning platforms compared to companies like Pentera or Cobalt.

✅ Best For: Organizations in highly regulated industries that need a trusted, expert-led, and comprehensive penetration testing partner backed by a global advisory firm.

🔗 Try Redscan (Kroll) here → Redscan (Kroll) Official Website

10. Cobalt

Cobalt pioneered the Pentest as a Service (PTaaS) model, revolutionizing the traditional approach to penetration testing.

By combining a vast, global community of skilled security researchers (“Cobalt Core”) with a powerful SaaS platform, they offer a highly flexible, on-demand testing experience.

The platform streamlines every step of the process, from scoping and tester selection to real-time communication and vulnerability remediation tracking.

Their ability to deliver fast, expert-led testing on a continuous basis makes them an ideal partner for agile development teams and organizations with dynamic attack surfaces.

Why We Picked It:

Cobalt’s PTaaS platform is an industry benchmark for efficiency and scalability.

The combination of a crowdsourced pool of vetted experts with a seamless, cloud-native platform gives them a distinct edge in delivering fast, high-quality penetration tests.

The company’s 2025 State of Pentesting Report highlights its deep understanding of evolving threats, particularly in the realm of AI and GenAI, showcasing its commitment to staying ahead of the curve.

Features and Specifications:

Feature	Yes/No	Specification
Penetration Testing as a Service (PTaaS)	✅ Yes	On-demand, platform-based model for continuous security testing.
Manual Testing	✅ Yes	All testing is performed by human security experts from the Cobalt Core.
Automated Scanning	✅ Yes	Includes DAST (Dynamic Application Security Testing) to complement manual efforts.
Real-time Reporting	✅ Yes	Dashboard with real-time access to findings, proof-of-concepts, and remediation guidance.
Third-Party Integrations	✅ Yes	Natively integrates with tools like Jira, Slack, and Azure DevOps.
Diverse Testing Services	✅ Yes	Covers web applications, APIs, mobile apps, and network infrastructure.
Compliance Reports	✅ Yes	Generates reports that can assist with SOC 2, ISO 27001, PCI DSS, and HIPAA.

Pros:

• Flexible & Scalable: The PTaaS model allows for on-demand testing, scaling up or down with your needs.
• Expertise: Access to a global pool of thousands of vetted pentesters with diverse skill sets.
• Streamlined Workflow: The platform centralizes communication, reporting, and remediation tracking, simplifying management.
• Speed: The on-demand nature and platform-driven approach often result in faster time-to-value compared to traditional firms.

Cons:

• Limited Red Teaming: While excellent for pentesting, their platform is not designed for full-scale, long-term red team engagements that require deep, continuous adversary simulation.
• Tester Consistency: With a large community of testers, the specific expertise of a single engagement might vary, though the platform helps to mitigate this.

✅ Best For: Agile organizations and development teams that require continuous, on-demand security testing and streamlined vulnerability management.

🔗 Try Cobalt here → Cobalt Official Website

Conclusion – What Penetration Testing Companies to Choose

The Penetration Testing Companies landscape in 2025 is more dynamic and diverse than ever.

From the agile, on-demand model of Cobalt to the enterprise-grade automation of Pentera and the deep, human-led expertise of Bishop Fox and Redscan, there is a solution for every organizational need.

The most effective approach now involves a combination of continuous automated scanning and strategic, expert-led manual testing to ensure no stone is left unturned.

By carefully evaluating the options presented here, organizations can choose a partner that not only meets their compliance needs but also significantly enhances their security posture, providing the confidence to innovate and grow in a world of ever-increasing cyber risk.

The right penetration testing company is not just a vendor; it’s a strategic ally in your fight to stay secure.