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Top Pen Testing Companies in United Kingdom

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60 companies for Pen Testing in United Kingdom

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Pen Test Service's Logo

Pen Test Service

Bedford, United Kingdom

A

1-10 Employees

-

Key takeaway

The company emphasizes its expertise in penetration testing, highlighting how it can help identify and mitigate vulnerabilities that attackers may exploit. With experience in various pentest engagements for both large and small businesses, they offer valuable insights and reports to minimize security risks.

Reference

Core business

Penetration Testing Services - Home

Find out how attackers can exploit your vulnerabilities and get advice on how to stop them.

Cyber Legion Ltd's Logo

Cyber Legion Ltd

London, United Kingdom

A

1-10 Employees

2021

Key takeaway

Cyber Legion Ltd is a CREST Approved organization in EMEA for Penetration Testing Services, specializing in advanced cybersecurity testing tailored for the unique challenges of remote work. Their experienced team focuses on enhancing cyber resilience, thereby safeguarding businesses and individuals in the digital landscape.

Reference

Service

Penetration Testing

Partner with us to transform your security challenges into strengths, backed by a CREST-approved team committed to excellence. Penetration Testing Services (CREST Approved for EMEA) In an era where cyber threats evolve with alarming speed, Penetration Testing emerges not just as a service but as an essential safeguard. At Cyber Legion, we redefine ethical hacking by embedding it into a continuous cycle of assessment, remediation, and enhancement, all accessible through our Secure Client Portal. Our approach doesn’t just pinpoint vulnerabilities; it paves the way for fortified security resilience. Our CREST accreditation for the EMEA region is more than a badge—it’s a promise of our unwavering commitment to ethical, legal, and technical excellence in Penetration Testing. This prestigious approval underscores our adherence to stringent methodologies, ensuring that our services are not merely assessments but strategic partnerships that align your security posture with global benchmarks. We view Penetration Testing as the beginning of a journey towards cybersecurity excellence. Our comprehensive services extend to in-depth remediation guidance, continuous improvement strategies, and regulatory compliance, ensuring that your organization doesn’t just meet industry standards but sets new ones. Our detailed reports and actionable insights empower you to navigate the complex landscape of cyber threats with confidence. Our Secure Client Portal stands at the core of our service offering, enabling a seamless integration of Penetration Testing results, remediation strategies, and ongoing security posture assessments. This continuous feedback loop ensures that your defenses are not only tested but also continuously improved, adapting to new threats as they arise. Choosing Cyber Legion means opting for a service that transcends traditional Penetration Testing. Our CREST-approved methodologies, combined with a holistic approach to security improvement, provide a robust foundation for your cybersecurity defenses. Partner with us to transform your security challenges into strengths, backed by a team committed to excellence and continuous improvement. Elevate your cybersecurity defenses with Cyber Legion’s comprehensive Penetration Testing Services. Embrace a service that extends beyond testing, offering a pathway to a more secure, resilient future for your organization. At Cyber Legion, we are dedicated to providing top-notch cybersecurity solutions to protect your business from evolving threats. Our team of experts will work closely with you to develop a tailored security strategy that meets your specific needs. Contact us today for a free consultation! Staying ahead in security challenges and Get in Touch with Cyber LegionGet a Free Quote

OALO Security's Logo

OALO Security

Sheffield, United Kingdom

A

1-10 Employees

2019

Key takeaway

The company offers a comprehensive suite of penetration testing services, prioritizing security and tailoring each project to meet individual requirements. Their certified testers utilize both manual and automated methods for web, mobile app, and infrastructure testing, ensuring reliable security solutions.

Reference

Core business

Penetration Testing Services | Penetration Testers | OALO

Web, mobile app and infrastructure penetration testing services – our certified testers use both manual and automated methods for the best results

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Pentest's Logo

Pentest

Wilmslow, United Kingdom

A

11-50 Employees

2001

Key takeaway

Pentest Limited offers comprehensive penetration testing services designed to uncover vulnerabilities and enhance security posture. Their CREST-accredited team provides tailored support and remediation after testing, ensuring clients meet crucial cybersecurity requirements and compliance regulations.

Reference

Service

Penetration Testing Services | Pentest Limited

Our CREST accredited penetration testing services have been designed to uncover vulnerabilities, support improvement & provide security assurances.

Conseal Security Ltd's Logo

Conseal Security Ltd

London, United Kingdom

A

1-10 Employees

-

Key takeaway

The company offers affordable penetration testing services for iOS, Android, and web applications, employing advanced techniques and tools to identify vulnerabilities. Their expertise ensures a thorough analysis of app behavior, helping organizations confidently secure sensitive data.

Reference

Core business

Conseal Security | Experts in Penetration Testing & Mobile App Security Testing

Pentiq's Logo

Pentiq

London, United Kingdom

A

1-10 Employees

2016

Key takeaway

Pentiq specializes in penetration testing and cyber security consultancy, providing in-depth testing and comprehensive reporting to identify and mitigate security vulnerabilities. Their services aim to protect critical applications and data from cyber attacks, using the same tools and techniques as attackers to deliver a thorough assessment of an organization's security posture.

Reference

Service

Penetration Testing Services | Cyber Security | PENTIQ

Pentiq offers a range of penetration testing and cyber security services that deliver a comprehensive approach to protecting your applications and data. Contact us to find out more. | PENTIQ

Pentest Laboratories's Logo

Pentest Laboratories

London, United Kingdom

A

1-10 Employees

2018

Key takeaway

Pentest Laboratories Ltd specializes in providing tailored security assurance services, including red teaming assessments, to help organizations effectively tackle cyber threats and enhance their resilience against attacks.

Reference

Core business

Pentest Laboratories | Modern Security Consultancy Services

Modern Security Consultancy Services

Endida Ltd's Logo

Endida Ltd

London, United Kingdom

A

1-10 Employees

-

Key takeaway

Endida's Pen Testing team utilizes a cutting-edge AI-Driven platform to conduct thorough and efficient security assessments of web applications and APIs, identifying vulnerabilities with precision. Their approach ensures that businesses can proactively strengthen their defenses against potential risks through comprehensive reporting and tailored remediation strategies.

Reference

Product

Pen Testing | 0-50 Employees | Endida

Advanced Persistent Pentesting's Logo

Advanced Persistent Pentesting

Staffordshire Moorlands, United Kingdom

A

1-10 Employees

-

Key takeaway

The company offers Advanced Persistent Pentesting services, highlighting their expertise in cybersecurity. They suggest that while they can provide this type of penetration testing, it may not be the most effective use of resources.

Reference

Core business

Cheap Penetration Testing - Advanced Persistent Pentesting

PENTESTING UK LTD's Logo

PENTESTING UK LTD

Exeter, United Kingdom

A

- Employees

-

Key takeaway

Pentesting UK Ltd is a dedicated penetration testing and vulnerability scanning company that specializes in identifying and addressing security weaknesses in systems. Their team of qualified experts provides comprehensive guidance on remediation, ensuring organizations understand and can effectively manage their vulnerabilities.

Reference

Core business

Home Page - Pentesting UK Ltd

Because YOU really Need to know Where your vulnerabilites are Penetration testing Testing your computer systems and networks to find vulnerabilities that an attacker could exploit. Application Testing Assessing the vulnerability of your web sites and online applications to server and client side attacks Vulnerability Scanning Searching for issues such as out of date software and…


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Use cases around Pen Testing

A selection of suitable use cases for products or services provided by verified companies according to your search.

UseCase: A Large Healthcare Provider

Use case

A Large Healthcare Provider

Healthcare

Background: A large healthcare provider operates numerous facilities across the EMEA region, storing and processing vast amounts of sensitive patient data through their electronic health record (EHR) systems, mobile health applications, and IoT-enabled medical devices. Given the sensitive nature of healthcare data, they are subject to stringent regulatory requirements, including GDPR, HIPAA, and medical device security regulations. The healthcare provider has been facing increased cybersecurity risks due to their expanding digital footprint and the rise of targeted cyberattacks, such as ransomware, aimed at compromising patient data. They approached Cyber Legion to enhance their cybersecurity posture with CREST-approved Penetration Testing services that meet both regulatory requirements and industry best practices. Challenges: The healthcare provider required rigorous Penetration Testing for their critical systems, including EHR systems, patient databases, cloud-based telemedicine platforms, and IoT medical devices, to identify vulnerabilities that could expose sensitive patient information. Ensuring compliance with GDPR and HIPAA while maintaining high availability for life-critical systems was crucial. The organization needed actionable insights to fix vulnerabilities and a continuous improvement plan to stay ahead of emerging threats. They were looking for a partner that could provide detailed reports, remediation strategies, and a secure platform to track progress. Solution: Cyber Legion’s CREST Approved Penetration Testing Services Phase 1: Initial Assessment Cyber Legion’s team conducted a comprehensive scoping session with the healthcare provider to understand their critical assets, risk tolerance, and regulatory compliance needs. They identified the key systems for testing, including web applications, internal and external networks, IoT devices, and third-party software integrations. Phase 2: Penetration Testing Cyber Legion’s CREST-approved testers executed both black-box (external, unauthenticated) and white-box (internal, authenticated) testing approaches. The tests covered: Web application vulnerabilities (OWASP Top 10) Network security flaws (e.g., misconfigured firewalls, open ports) IoT device vulnerabilities in medical devices API and mobile app security issues Phishing and social engineering resilience Physical security weaknesses in data centers and facilities The tests simulated real-world attack scenarios, such as attempting unauthorized access to sensitive patient data, executing malware injections, and compromising third-party integrations. Phase 3: Reporting and Analysis The testing revealed several vulnerabilities, including: Outdated software on IoT devices Improper access controls on critical databases Unpatched vulnerabilities in their EHR web application Lack of multi-factor authentication (MFA) for remote access by healthcare professionals Cyber Legion provided detailed reports through their Secure Client Portal, highlighting each vulnerability’s risk level using CVSS scoring. They also outlined how these vulnerabilities could potentially lead to data breaches, service outages, or regulatory penalties. Phase 4: Remediation and Continuous Improvement Cyber Legion’s experts offered step-by-step guidance for fixing the vulnerabilities and implementing best practices such as regular patching, enhanced authentication methods, and network segmentation. The Secure Client Portal enabled the healthcare provider’s IT and security teams to track remediation progress, prioritize actions, and schedule follow-up assessments. A continuous improvement strategy was created to address not only the current vulnerabilities but also to prevent future risks through regular re-testing, proactive threat modeling, and ongoing security assessments. Phase 5: Regulatory Compliance and Reporting The healthcare provider was able to present Cyber Legion’s comprehensive penetration testing reports to regulatory bodies, demonstrating their commitment to securing patient data in compliance with GDPR, HIPAA, and medical device security standards. Cyber Legion helped ensure that the provider’s cybersecurity practices met the highest standards and that their security posture remained resilient. Outcome: The healthcare provider achieved a significant reduction in security vulnerabilities and an overall improvement in their cybersecurity defenses. They maintained compliance with GDPR and HIPAA requirements and received continuous support for improving their security framework. By partnering with Cyber Legion, the provider was equipped with a proactive security approach, transforming their security challenges into strengths and establishing a pathway to long-term resilience. Why Cyber Legion? Partnering with Cyber Legion offers: CREST-approved Penetration Testing services tailored to your industry needs. Continuous security improvement through in-depth vulnerability assessments and remediation guidance. A Secure Client Portal to manage your Penetration Testing results, remediation efforts, and ongoing security assessments. Strategic support for aligning your security posture with global standards and regulatory compliance. Industries We Serve: Healthcare Financial Services Manufacturing Automotive Education And more. Get in Touch for a Free Consultation and Elevate Your Cybersecurity!

UseCase: A Large Healthcare Provider

Use case

A Large Healthcare Provider

Healthcare

Background: A large healthcare provider operates numerous facilities across the EMEA region, storing and processing vast amounts of sensitive patient data through their electronic health record (EHR) systems, mobile health applications, and IoT-enabled medical devices. Given the sensitive nature of healthcare data, they are subject to stringent regulatory requirements, including GDPR, HIPAA, and medical device security regulations. The healthcare provider has been facing increased cybersecurity risks due to their expanding digital footprint and the rise of targeted cyberattacks, such as ransomware, aimed at compromising patient data. They approached Cyber Legion to enhance their cybersecurity posture with CREST-approved Penetration Testing services that meet both regulatory requirements and industry best practices. Challenges: The healthcare provider required rigorous Penetration Testing for their critical systems, including EHR systems, patient databases, cloud-based telemedicine platforms, and IoT medical devices, to identify vulnerabilities that could expose sensitive patient information. Ensuring compliance with GDPR and HIPAA while maintaining high availability for life-critical systems was crucial. The organization needed actionable insights to fix vulnerabilities and a continuous improvement plan to stay ahead of emerging threats. They were looking for a partner that could provide detailed reports, remediation strategies, and a secure platform to track progress. Solution: Cyber Legion’s CREST Approved Penetration Testing Services Phase 1: Initial Assessment Cyber Legion’s team conducted a comprehensive scoping session with the healthcare provider to understand their critical assets, risk tolerance, and regulatory compliance needs. They identified the key systems for testing, including web applications, internal and external networks, IoT devices, and third-party software integrations. Phase 2: Penetration Testing Cyber Legion’s CREST-approved testers executed both black-box (external, unauthenticated) and white-box (internal, authenticated) testing approaches. The tests covered: Web application vulnerabilities (OWASP Top 10) Network security flaws (e.g., misconfigured firewalls, open ports) IoT device vulnerabilities in medical devices API and mobile app security issues Phishing and social engineering resilience Physical security weaknesses in data centers and facilities The tests simulated real-world attack scenarios, such as attempting unauthorized access to sensitive patient data, executing malware injections, and compromising third-party integrations. Phase 3: Reporting and Analysis The testing revealed several vulnerabilities, including: Outdated software on IoT devices Improper access controls on critical databases Unpatched vulnerabilities in their EHR web application Lack of multi-factor authentication (MFA) for remote access by healthcare professionals Cyber Legion provided detailed reports through their Secure Client Portal, highlighting each vulnerability’s risk level using CVSS scoring. They also outlined how these vulnerabilities could potentially lead to data breaches, service outages, or regulatory penalties. Phase 4: Remediation and Continuous Improvement Cyber Legion’s experts offered step-by-step guidance for fixing the vulnerabilities and implementing best practices such as regular patching, enhanced authentication methods, and network segmentation. The Secure Client Portal enabled the healthcare provider’s IT and security teams to track remediation progress, prioritize actions, and schedule follow-up assessments. A continuous improvement strategy was created to address not only the current vulnerabilities but also to prevent future risks through regular re-testing, proactive threat modeling, and ongoing security assessments. Phase 5: Regulatory Compliance and Reporting The healthcare provider was able to present Cyber Legion’s comprehensive penetration testing reports to regulatory bodies, demonstrating their commitment to securing patient data in compliance with GDPR, HIPAA, and medical device security standards. Cyber Legion helped ensure that the provider’s cybersecurity practices met the highest standards and that their security posture remained resilient. Outcome: The healthcare provider achieved a significant reduction in security vulnerabilities and an overall improvement in their cybersecurity defenses. They maintained compliance with GDPR and HIPAA requirements and received continuous support for improving their security framework. By partnering with Cyber Legion, the provider was equipped with a proactive security approach, transforming their security challenges into strengths and establishing a pathway to long-term resilience. Why Cyber Legion? Partnering with Cyber Legion offers: CREST-approved Penetration Testing services tailored to your industry needs. Continuous security improvement through in-depth vulnerability assessments and remediation guidance. A Secure Client Portal to manage your Penetration Testing results, remediation efforts, and ongoing security assessments. Strategic support for aligning your security posture with global standards and regulatory compliance. Industries We Serve: Healthcare Financial Services Manufacturing Automotive Education And more. Get in Touch for a Free Consultation and Elevate Your Cybersecurity!

Information about Pen Testing in United Kingdom

When exploring the penetration testing industry in the United Kingdom, several key considerations come into play. Firstly, understanding the regulatory landscape is crucial; the UK adheres to data protection laws, such as the General Data Protection Regulation (GDPR), which impacts how penetration tests are conducted and reported. Organizations must ensure compliance with these regulations to avoid hefty fines. Another important factor involves the skills gap in cybersecurity, leading to significant opportunities for growth within the sector. Companies often seek certified professionals with expertise in various testing frameworks, such as OWASP and NIST, to enhance their security measures. The competitive landscape is dynamic, with both established firms and emerging startups vying for market share. Additionally, staying abreast of the latest cybersecurity threats and trends is essential, as the threat landscape evolves rapidly. Environmental concerns, while less prominent in this sector compared to others, are gaining attention, particularly regarding sustainable practices in technology use. Lastly, penetration testing in the UK holds global relevance, as companies increasingly recognize the need for robust cybersecurity measures across borders. This creates opportunities for collaboration and knowledge sharing with international firms, enhancing the overall effectiveness of security practices.


Insights about the Pen Testing results above

Some interesting numbers and facts about your company results for Pen Testing

Country with most fitting companiesUnited Kingdom
Amount of fitting manufacturers1445
Amount of suitable service providers2385
Average amount of employees1-10
Oldest suiting company2001
Youngest suiting company2021

Frequently asked questions (FAQ) about Pen Testing Companies

Some interesting questions that has been asked about the results you have just received for Pen Testing

Based on our calculations related technologies to Pen Testing are Industrial Electroplating, Industrial Filtration, Industrial Sintering, Industrial Extrusion, Industrial Handling

Start-Ups who are working in Pen Testing are Cyber Legion Ltd

The most represented industries which are working in Pen Testing are IT, Software and Services, Defense, Other, Construction, Consulting

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