The 10 Best Penetration Testing Companies in Dublin - 2025 Reviews

Top Penetration Testing Companies in Dublin

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Enhance your cybersecurity with Dublin's leading Penetration Testing companies and consultants. Our curated list showcases top-tier experts specializing in identifying vulnerabilities in your digital infrastructure. Explore each company's portfolio and client testimonials to find the ideal partner for your security needs. Whether you require web application testing, network assessments, or IoT security evaluations, these seasoned professionals offer tailored solutions to fortify your defenses. With Sortlist, you can easily post your specific requirements, allowing Dublin's finest Penetration Testing specialists to reach out with customized proposals that align with your organization's unique security objectives.

All Penetration Testing Consultants in Dublin

  • (0 review)

    The people who power your possible.

    We’re Ekco: The people who power your possible One of Europe’s leading security-first managed cloud providers. With a network of infrastructure and security specialists across Europe, we’ve perfected our approach to supporting digital transformation. When you have friendly, experienced cloud and security specialists by your side and solutions that just work, you can take your business to the next level. Every risk is considered. Every deadline is met. Massive gains are delivered. That’s what we’re here to do. We power your possible!
    Looking for work in Penetration Testing
    Located in Dublin, Ireland
    From €1,000 for Penetration Testing
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Mazars is a leading international audit, tax, advisory and consulting firm based in Dublin, Galway and Limerick. Operating as a united partnership, Mazars works as one integrated team, leveraging expertise to deliver exceptional and tailored services in audit, assurance, tax, consulting, financial advisory, corporate finance and financial outsourcing. 
    Looking for work in Penetration Testing
    Located in Dublin, Ireland
    From €1,000 for Penetration Testing
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Looking for work in Penetration Testing
    Located in County Dublin, Ireland
    From €1,000 for Penetration Testing
    Works in multiple industries
    Speaks English
    11-50 members
  • (0 review)
    Newtec Services is an IT Company in Ireland offering managed services custom IT solutions for you and your business. Contact us today.
    Looking for work in Penetration Testing
    Unknown location
    From €1,000 for Penetration Testing
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Optimise your business with our expert IT solutions. Landmark is one of Ireland’s leading IT outsourcing and Cloud Service Providers and many more services.
    Looking for work in Penetration Testing
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • Ground Investigations Ireland is a Co. Dublin based Geotechnical and Environmental investigation contractor offering a range of services to the Civil, Structural and Environmental engineering industries
    Looking for work in Penetration Testing
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    IT Governance - the one-stop-shop for IT Governance including books, tools, learning and consultancy so that your organization can compete and win in today's world.
    Looking for work in Penetration Testing
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English, Basque
    1-10 members
  • IT Support Dublin, Managed Services, Computer Services, Network Infrastructure, Website Development. Orbit Technologies, IT infrastructure Projects.
    Looking for work in Penetration Testing
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Experience and excellence in all matters of security
    Looking for work in Penetration Testing
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    BH Consulting is a leading cyber security company that provide Cyber Security and Data Protection services to companies all around the world.
    Looking for work in Penetration Testing
    Unknown location
    From €1,000 for Penetration Testing
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Looking for work in Penetration Testing
    Unknown location
    From €1,000 for Penetration Testing
    Works in multiple industries
    Speaks English
    1-10 members

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Customer reviews about Penetration Testing Companies in Dublin

Director of OperationsRetail | Dublin, IE

Our experience with a leading Penetration Testing Consultant in Dublin has been extremely positive. The level of detail in their security assessments surpassed our expectations. We found their approach to be effectively tailored to our specific operational needs, which helped us in mitigating several critical security risks.

CTOTechnology | Dublin, IE

I recently engaged with a Penetration Testing Company based in Dublin for enhancing our cybersecurity posture. The thoroughness of their vulnerability assessments was impressive. Their team of highly skilled Penetration Testing Consultants used the latest tools and techniques, ensuring comprehensive security coverage for our IT infrastructure.

Head of IT SecurityFinance | Dublin, IE

As a Dublin-based financial services firm, we needed a reliable Penetration Testing Company to audit and secure our systems. We worked with one of the recommended Penetration Testing Companies, and their expert analysis and detailed reporting provided us with the insights needed to strengthen our defenses against potential breaches.

Insights from Our Expert: Penetration Testing Agencies in Dublin - Safeguarding Your Digital Frontier

Dublin, renowned not only for its rich history and vibrant culture but also for its significant footprint in the cybersecurity sphere, particularly in penetration testing. As Ireland's technological hub, Dublin provides an ecosystem bustling with expert penetration testing agencies dedicated to protecting businesses from cyber threats.

Cutting-Edge Agencies and Their Accomplishments

Reputed Collaborations

Dublin’s penetration testing agencies have partnered with an array of prestigious clients ranging from financial institutions to tech giants, demonstrating their capability to manage and secure complex digital infrastructures against potential cyber attacks.

Award-Winning Excellence

Local agencies excel not only in delivering detailed security assessments but also in earning accolades for their high standards. Recognitions like the “Cyber Defense Awards” and “Global InfoSec Awards” often decorate these agencies, underlining their top-notch expertise and commitment to cybersecurity excellence.

Essential Advice for Partnering with a Penetration Testing Agency

Assessing Your Budget

Understanding your financial boundaries is crucial when choosing a penetration testing service. Dublin offers a competitive market, with varying price ranges based on the agency’s reputation and the complexity of services offered. Here’s what businesses might expect:

Small to Medium Businesses: Smaller businesses might benefit from flexible packages tailored to their specific needs, costing anywhere between €2,000 to €10,000.

Larger Organizations: For more extensive and regular penetration testing involving intricate networks and systems, larger enterprises should anticipate budgets ranging from €10,000 to over €50,000, depending on their requirements.

Determining the Right Fit for Your Business

Before finalizing a partnership, it’s recommended to review the previous projects and success stories of potential agencies. This insight can provide a clear indication of the agency’s proficiency and compatibility with your specific cybersecurity needs.

Agency Specializations

Some penetration testing agencies in Dublin specialize in particular sectors like finance, healthcare, or e-commerce, leveraging industry-specific knowledge that could be crucial for your business. Selecting an agency that aligns with your sector can significantly enhance the effectiveness of the cybersecurity measures implemented.

Enhance Your Cybersecurity Posture with Dublin’s Elite

With a robust array of highly competent penetration testing agencies, Dublin is at the forefront of cybersecurity innovation, ready to bolster your defenses against evolving digital threats. By making informed decisions guided by expert local insights from Sortlist, businesses can secure services that not only match their budget but also optimally address their specific security concerns. Embrace Dublin's expert cybersecurity solutions to fortify your enterprise against the cyber challenges of tomorrow.

Karim Saadoune
Written by Karim Saadoune Sortlist Expert in DublinLast updated on the 20-05-2025

Latest Projects Submitted to Penetration Testing Consultants in Dublin

Web Application Security Audit for a Healthcare ProviderLarge healthcare organization in Dublin>€25,000 | 05-2025A major healthcare provider required an in-depth penetration test of their web applications to ensure patient data security and compliance with healthcare regulations. The objective was to uncover any potential vulnerabilities and rectify them swiftly.
Advanced Penetration Testing for a Healthcare ProviderLeading healthcare provider in Dublin>€40,000 | 04-2025A major healthcare organization in Dublin required an in-depth penetration testing service to ensure the security of their patient data management systems. The objectives included identifying potential vulnerabilities, safeguarding sensitive health information, and ensuring compliance with privacy regulations.
Penetration Testing for Healthcare Software SolutionHealthcare tech company in Dublin>€40,000 | 03-2025A healthcare technology provider in Dublin required penetration testing services to thoroughly evaluate the security of their patient management software. The primary goal was to safeguard sensitive health records against cyber threats and ensure compliance with health data protection regulations.
Penetration Testing for a Financial InstitutionLeading financial institution in Dublin>€30,000 | 10-2024A prominent financial company based in Dublin sought the expertise of a cybersecurity agency to conduct comprehensive penetration testing. The goals were to enhance their security measures, ensure compliance with international standards, and protect sensitive client data.
Network Security Evaluation for Tech StartupInnovative tech startup in Dublin>€15,000 | 10-2024A Tech startup needed a penetration testing service to assess their new cloud-based application. The goal was to ensure robust security protocols were in place to safeguard user data from cyber-attacks.

Frequently Asked Questions.


In Dublin's rapidly evolving cybersecurity landscape, organizations often encounter two crucial security practices: penetration testing and vulnerability assessments. While both are essential for maintaining robust security postures, they serve different purposes and complement each other in unique ways.

Penetration Testing vs. Vulnerability Assessments:

AspectPenetration TestingVulnerability Assessment
Primary GoalSimulate real-world attacks to exploit vulnerabilitiesIdentify and catalog potential vulnerabilities
DepthIn-depth, hands-on approachBroader, often automated scans
DurationTypically longer, more time-intensiveGenerally shorter, can be performed more frequently
CostUsually more expensiveTypically less expensive
OutcomeDemonstrates actual security weaknesses and potential impactProvides a comprehensive list of vulnerabilities and recommendations

Why Dublin Organizations Need Both:

  1. Comprehensive Security Strategy: Dublin's thriving tech scene, including major multinationals and local startups, requires a multi-faceted approach to cybersecurity. Vulnerability assessments provide a broad overview of potential weaknesses, while penetration testing offers deep insights into how these vulnerabilities could be exploited.
  2. Compliance Requirements: Many Dublin-based organizations, especially those in finance, healthcare, and tech sectors, must adhere to strict regulatory standards (e.g., GDPR, PCI DSS). Both practices help ensure compliance and demonstrate due diligence.
  3. Evolving Threat Landscape: With Dublin's growing importance as a European tech hub, organizations face sophisticated cyber threats. Regular vulnerability assessments help identify new weaknesses, while periodic penetration tests ensure defenses can withstand advanced attack techniques.
  4. Resource Optimization: Vulnerability assessments can be conducted more frequently and cost-effectively, allowing Dublin companies to maintain ongoing awareness of their security posture. Penetration tests, though more resource-intensive, provide critical insights into real-world attack scenarios.
  5. Validation of Security Measures: As many Dublin organizations invest in cybersecurity tools and practices, penetration testing serves to validate these measures, while vulnerability assessments help track progress over time.

According to a 2024 survey by the Irish Computer Society, 78% of Dublin-based organizations now incorporate both vulnerability assessments and penetration testing in their annual security plans, up from 62% in 2022. This trend underscores the growing recognition of the complementary nature of these security practices in protecting Dublin's digital assets.

In conclusion, while vulnerability assessments provide a crucial foundation for identifying potential security weaknesses, penetration testing offers the depth needed to understand how these vulnerabilities could be exploited in real-world scenarios. For Dublin organizations aiming to fortify their cybersecurity defenses in an increasingly complex digital landscape, integrating both practices is not just beneficial – it's becoming essential.



Social engineering plays a crucial role in modern penetration testing, including in Dublin's cybersecurity landscape. It's a technique that exploits human psychology to gain unauthorized access to systems, networks, or sensitive information. In penetration testing assessments, social engineering is typically incorporated as follows:

1. Reconnaissance and Information Gathering
  • Open-source intelligence (OSINT) gathering on target organizations and employees
  • Monitoring social media profiles and corporate websites for valuable information
  • Identifying key personnel and their roles within the organization
2. Phishing Campaigns
  • Crafting convincing emails tailored to the Dublin business environment
  • Simulating local Irish brands or government entities to increase credibility
  • Testing employee awareness of phishing threats and company policies
3. Vishing (Voice Phishing) and Smishing (SMS Phishing)
  • Conducting phone-based social engineering attempts
  • Sending SMS messages with malicious links or requests for sensitive information
  • Exploiting the trust in local Dublin area codes or well-known Irish mobile networks
4. Physical Security Testing
  • Attempting to gain unauthorized physical access to office premises in Dublin
  • Testing reception and security staff adherence to visitor policies
  • Assessing the handling of sensitive documents and device security in shared spaces
5. Pretexting and Impersonation
  • Creating scenarios relevant to Dublin businesses (e.g., impersonating IT support, auditors, or vendors)
  • Testing how employees handle requests for sensitive information or access
  • Evaluating the effectiveness of employee verification procedures

In Dublin, social engineering assessments are particularly important due to the city's status as a major European tech hub. Many international companies have their EMEA headquarters here, making it a prime target for cybercriminals. According to a 2022 report by the Irish National Cyber Security Centre, 62% of Irish organizations experienced a social engineering attack in the past year.

Penetration testing companies in Dublin typically incorporate social engineering into their assessments by:

  1. Tailoring scenarios to the specific industry and company culture
  2. Conducting multi-vector attacks that combine technical exploits with social engineering
  3. Providing detailed reports on vulnerabilities found and employee responses
  4. Offering recommendations for improving security awareness training and policies

It's important to note that all social engineering tests must be conducted ethically and within the bounds of Irish law and data protection regulations, including GDPR. Reputable penetration testing consultants in Dublin will always obtain proper authorization and clearly define the scope of social engineering activities before beginning an assessment.

By incorporating social engineering into penetration testing, Dublin-based companies can identify and address human-centric vulnerabilities, ultimately strengthening their overall security posture against the ever-evolving threat landscape.



When it comes to penetration testing in Dublin, organizations must navigate a complex landscape of ethical considerations and legal implications. As cybersecurity becomes increasingly critical, it's essential for Dublin-based companies to understand these aspects before engaging in penetration testing activities.

Ethical Considerations:
  • Consent and Authorization: Always obtain explicit written consent from the organization owning the systems to be tested. This is crucial for Dublin companies, as unauthorized testing can be considered a criminal offense under Irish law.
  • Data Protection: Given Ireland's strict adherence to GDPR, penetration testers must be extremely cautious when handling any personal data encountered during testing.
  • Scope Limitations: Clearly define and adhere to the agreed-upon scope of the test. Avoid accessing or exploiting systems or data outside this scope, even if vulnerabilities are discovered.
  • Responsible Disclosure: Follow a responsible disclosure process when vulnerabilities are identified, allowing organizations time to address issues before they become public.
Legal Implications:
  • Compliance with Irish Law: Ensure all testing activities comply with relevant Irish legislation, including the Criminal Justice (Offences Relating to Information Systems) Act 2017.
  • GDPR Compliance: As Ireland is a key hub for many international companies' EU operations, strict adherence to GDPR is paramount. Penetration testing activities must not violate data protection principles.
  • Contractual Obligations: Clearly outline the terms, conditions, and limitations of the penetration testing engagement in a legally binding contract.
  • Liability and Insurance: Consider professional indemnity insurance to protect against potential legal action resulting from unintended consequences of penetration testing.
Best Practices for Dublin Organizations:
  • Engage Local Experts: Work with Dublin-based penetration testing consultants who are familiar with Irish and EU regulations.
  • Regular Audits: Conduct regular penetration tests to stay compliant with industry standards and local regulations.
  • Documentation: Maintain detailed records of all testing activities, findings, and remediation efforts.
  • Employee Training: Educate staff about the importance of ethical hacking and the legal framework surrounding cybersecurity in Ireland.

By carefully considering these ethical and legal aspects, Dublin organizations can conduct effective penetration testing while minimizing risks and ensuring compliance with local and international regulations. Remember, the goal is to enhance security posture without compromising legal and ethical standards.