
Best Cybersecurity Companies in Ireland
Ranked top 10 below, plus more Ireland-based listings on the same page. For the full directory, browse all products in Ireland.
Top 10
Highest-ranked listings from Ireland by reviews, ratings, and editorial signals.
Department of Justice

Security Operations
The Cybercrime division is responsible for developing policy in relation to the criminal use made of the internet and information technology generally, and coordinating a range of different cyber init
Advantio

Governance Risk and Compliance Platforms
Advantio offers a unique combination of technologies and managed, advisory and testing services to increase your cyber resilience. We ensure you will achieve, keep and demonstrate compliance against t
Cyrex

Security Operations
Cyrex is a Web3 security and development company. Our mastery over decentralized applications, smart contracts and blockchain will keep you secure across Web3. While blockchain has proven to be a sec
Amtivo Ireland

Security Operations
Amtivo Ireland (formerly Certification Europe and EQA) offers a range of certifications and related services. Amtivo Group has acquired over a dozen certification bodies globally, and this rebrand is
AdaptiveMobile Security

Security Operations
AdaptiveMobile Security, a world leader in mobile network security, protecting more than 2.2 billion subscribers worldwide. AdaptiveMobile Security provides the industry’s most comprehensive mobile t
Irish National Accreditation

Security Operations
The Irish National Accreditation Board (INAB) is the national accreditation body for Ireland, responsible for assessing the competence and capability of organisations that provide certification, testi
Advice Bytes

Compliance Consulting
At Advice Bytes, we go beyond just advice, we deliver outcomes. We help businesses secure their digital and AI-powered operations with a clear focus on action, not just awareness. Our team combines de
Ingenio Global

Security Operations
Ingenio is a specialist recruitment business for SaaS companies. Our purpose is to source exceptional talent in areas including cyber security for leading SaaS companies in the UK and Ireland.
Edgescan

Penetration Testing
Edgescan offers a continuous security testing and unified exposure management SaaS platform that manages thousands of assets for businesses large and small in a wide variety of industries across the g
Accenture

Compliance Consulting
Accenture is a leading global professional services company providing a range of strategy, consulting, digital, technology & operations services and solutions including cybersecurity. Accenture Secur
More from Ireland
Additional Ireland-based vendors in rank order (not part of the top 10 badge above).
Mesh Security

Security Operations
Perimeter protection with Mesh Gateway (MX based), mailbox protection with Mesh 365 (API based), or combine them both for complete protection with Mesh Unified - an email security solution that does b
CWSI

Security Operations
CWSI provide a full suite of enterprise mobility, security and productivity solutions to many of Ireland and the UK’s most respected organisations across a wide range of industry and public sectors.
Corrata

Security Operations
Corrata is an award-winning provider of mobile security and data control solutions for enterprises. Our patent-pending software solution enables organizations to defend against mobile threats, block
Binarii Labs

Data Loss Prevention
Through our Blockchain services, businesses can benefit from greater transparency, improved security, and easier traceability. Binarii DMSA document management repository for files, data, images, aud
XpertDPO

Governance Risk and Compliance Platforms
XpertDPO provides data security, governance, risk and compliance, GDPR and ISO consultancy to public and private sector organisations. We help change our clients relationship with the data they proce
Wisetek

Security Operations
Wisetek is a global provider of end-to-end IT Asset Disposition (ITAD), reuse and secure data destruction management services to the world’s leading IT Corporations, data centres and manufacturers. L
FAMOC

Security Operations
FAMOC is an enterprise mobile management solution that makes your job safer and more productive by delivering comprehensive security and management for applications, documents, email, and mobile devic
BH Consulting

Compliance Consulting
BH Consulting we are a vendor independent consulting firm providing market leading range of information security services focused on data protection and cybersecurity. Robust data protection and cybe
Prolimax

Security Operations
Prolimax deliver innovative solutions to IT Manufacturers, Distributors, Resellers and End-users including Data Erasure and secure IT Asset Disposition (ITAD). Our solution for desktops, laptops, ser
UCD Centre for

Security Operations
UCD Centre for Cybersecurity and Cybercrime Investigation (CCI) is Europe's leading centre for research & education in cybersecurity, cybercrime and digital forensics.
DeviceAssure

Security Operations
DeviceAssure enables organizations to reliably identify counterfeit and non-standard devices with a real-time check on a device's authenticity. DeviceAssure offers a transparent way to validate the a
Certification Europe

Security Operations
Certification Europe (now Amtivo Ireland) is an accredited certification body which provides International Organization for Standardization (ISO) management system certification, including ISO 27001,
Delta Partners

Security Operations
Delta Partners is a venture capital firm investing in Ireland and the United Kingdom with a strong focus on early stage technology companies. We focus on Foundations:We invest at the beginning and pa
ZARIOT

Industrial Control System Security
Zariot's mission is to restore order to what is becoming connected chaos in IoT by bringing unrivalled security, control and quality of service. Implementing IoT solutions in an existing system can b
Aptiv

Industrial Control System Security
Aptiv is a global technology company that develops safer, greener and more connected solutions enabling the future of mobility. We believe that the power of new mobility – moving safer, greener and m
Asavie

Industrial Control System Security
Asavie provide solutions for Enterprise Mobility Management and secure Internet of Things (IoT) Connectivity. Asavie PassBridge is a software defined network as a service platform that manages the co
About Ireland Cybersecurity Companies
Ireland has a strong bench of cybersecurity vendors. Rankings here mix expert write-ups, user ratings, and the product fields we track on each listing.
Ranking Criteria
- Expert reviews and ratings
- User feedback and reviews
- Feature completeness
- Enterprise readiness
Updated Monthly
Our rankings are updated monthly to reflect the latest product information, user reviews, and market changes.