Top Cyber Security Companies in Dublin (55)
Datadog (NASDAQ: DDOG) is a global SaaS business, delivering a rare combination of growth and profitability. We are on a mission to break down silos and solve complexity in the cloud age by enabling digital transformation, cloud migration, and infrastructure monitoring of our customers' entire technology stacks. Built by engineers, for engineers, Datadog is used by organizations of all sizes...
Datadog's Top Stability & Growth Strengths
Strong Revenue Growth: Recent results show accelerating top-line momentum, with FY2025 up 28% and Q2 2026 revenue up 36% year over year after 32% in Q1. Management also raised 2026 revenue guidance to $4.45B–$4.47B, indicating confidence in continued expansion.
Healthy Cash Flow: Cash generation is substantial, including Q2 2026 operating cash flow of $316M and free cash flow of $279M with about a 25% free-cash-flow margin. The company also reported roughly $5.0B in cash, cash equivalents and marketable securities as of June 30, 2026.
Customer Loyalty & Retention: Expansion within the installed base is a key driver, with about 75% of the 2025 revenue increase coming from existing customers and rising multi‑product adoption. Larger accounts are also expanding, as $100K+ ARR customers grew roughly 23% year over year to ~4,720 in Q2 2026.
CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world. With more than 8,000 employees, CSC operates in more than 140 jurisdictions, delivering solutions that help businesses thrive. We pride ourselves on our client-focused approach, market-leading expertise, and unmatched global reach.
CSC's Top Stability & Growth Strengths
Strong Market Position & Advantage: Customer base is described as including a very large share of major global enterprises across Fortune-ranked companies, top brands, and leading private equity firms, indicating entrenched enterprise reach. This positioning underscores a strong competitive footing across multiple service lines.
Market Expansion: Operations have scaled to capabilities in more than 140 jurisdictions, aided by the approximately $3 billion Intertrust acquisition and its full integration in 2024. Continued investment and activity are highlighted across Europe, the Americas, Asia-Pacific, and the Middle East.
Product Line Growth: The company has expanded from incorporation services into corporate/legal compliance, fund administration, capital markets, tax, digital brand protection, domain services, and global subsidiary management. Corporate and Legal Solutions is described as the largest revenue-generating unit with a sizable workforce.
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...
Mastercard's Top Stability & Growth Strengths
Strong Revenue Growth: Net revenue rose at double‑digit rates in 2025 and continued to increase at a similar pace in early 2026, supported by higher gross dollar volume, cross‑border activity, and switched transactions. The multi‑quarter trend indicates consistent top‑line momentum rather than a one‑off spike.
Profitability: Operating income outpaced revenue growth in 2025, expanding margins, while net income and EPS also advanced strongly. This points to operating leverage as volumes and higher‑yield cross‑border flows scale.
Diversified Revenue Streams: Value‑added services and solutions grew markedly faster than the core network, with security, digital authentication, analytics, and consulting cited as key contributors. This mix shift broadens growth beyond card payment fees and supports resilience.
At Rapid7, our vision is to create a secure digital world for our customers, our industry, and our communities. We do this by harnessing our collective expertise and passion to challenge what’s possible and drive extraordinary impact. We’re building a dynamic and collaborative workplace where new ideas are welcome. Protecting 11,000+ customers against bad actors and threats means we’re continuing...
Rapid7's Top Stability & Growth Strengths
Profitability: Bottom-line performance is strengthening, with consistent earnings beats, improved non-GAAP operating income, and durable free cash flow. Management is prioritizing margin expansion alongside operational efficiency.
Healthy Cash Flow: The business is generating solid free cash flow, with recent periods and guidance pointing to sustained cash generation. This supports stability even as revenue growth moderates.
Strong Market Position & Advantage: The company is repeatedly recognized as a leader in MDR, exposure management, and SIEM by major analyst programs. A large global customer base underscores established scale in its core markets.
Every day at FireEye, we see firsthand the impact of cyber-attacks on real people. This is what inspires us to fulfill our mission to relentlessly protect our customers from the impact and consequences of cyber attacks. We have learned that technology alone isn’t enough to combat cyber attackers. Our fundamental belief is that hands-on front-line expertise and intelligence, combined with innovative...
Trellix is a global company redefining the future of cybersecurity. The company’s open and native extended detection and response (XDR) platform helps organizations confronted by today’s most advanced threats gain confidence in the protection and resilience of their operations. Trellix’s security experts, along with an extensive partner ecosystem, accelerate technology innovation through machine learning and automation to empower over 40,000...
Trellix's Top Stability & Growth Strengths
Strategic Partnerships: Public updates indicate a strengthened partner-led go-to-market, including a 2025 overhaul of the Xtend program and deeper cloud integrations. These actions suggest an emphasis on channel-driven bookings and broader ecosystem reach.
Innovation-Driven Growth: Product announcements describe ongoing GenAI and platform enhancements such as Wise, Helix automation, new NDR content, and AWS Bedrock integrations. This cadence indicates active R&D and a roadmap aligned to evolving detection and response needs.
Investor Backing & Capital Strength: Owner financing activity in 2024 added new capital and extended debt maturities. This provides financial flexibility to support continued product and go-to-market execution.
PFH Technology Group, a Ricoh Company, is Ireland's largest ICT services and solutions provider with 800+ employees (600+ technical). We deliver innovative, end-to-end technology solutions to businesses across public and private sectors. With a nationwide presence and a reputation for excellence, PFH specialises in IT infrastructure, cloud services, cybersecurity, managed services, and workplace transformation. As a trusted partner, PFH combines technical...
In today's world, most successful cyberattacks start by a human failure. We're making the platform that makes it easy to prepare your employees for cyberattacks, in a way they love.
Magic Media is an international tech group powered by building creativity and protecting innovation. We are home to an expansive group of professionals and industry-leading experts across all avenues from interactive entertainment, software, application and game development to cybersecurity, VFX, art and animation. [email protected]
Quest Software builds the foundation for enterprise AI with solutions in data governance, cybersecurity, and platform modernization. More than 45,000 companies — including 90% of the Fortune 500 — trust Quest to solve their most critical IT challenges. From securing identities and modernizing platforms to preparing data for AI, we help enterprises unlock their full potential.
Quest Software's Top Stability & Growth Strengths
Investor Backing & Capital Strength: Private‑equity sponsorship and a significant refinancing/capital infusion reduced cash interest expenses and increased liquidity, providing flexibility for growth initiatives. Financial restructuring actions are framed as creating breathing room to pursue AI‑focused expansion and acquisitions.
Strong Market Position & Advantage: The company is described as serving a very large enterprise customer base, including much of the Fortune 500, and receives high placements in select analyst evaluations across data intelligence and Microsoft‑focused tools. This entrenched footprint supports resilience and cross‑sell potential during the business model shift.
Innovation-Driven Growth: Recent moves include opening a new AI center, rolling out AI‑enabled features across data and identity products, and acquiring an identity‑observability firm to deepen security capabilities. These investments signal a product roadmap oriented toward AI, cloud, and identity security.
Mesh is the world's first email security platform built exclusively for managed service providers, empowering them to deploy, protect, and manage their clients more efficiently. While other solutions force MSPs to manage their clients individually, Mesh provides true-multi-tenancy, affording MSPs unparalleled visibility and control over email across their entire client base, from a single pane of glass - The MSP...
Grouper Technology (Grouper®) is partner to some of Europe’s leading organisations in their software modernisation and digital transformation journey. We help organisations create innovative management systems, tools and technologies that empower their quality assurance needs and in particularly, relating to corporate governance, risk, and compliance. Grouper offers two primary pillars of "Specialised Application Solutions” and “IT Advisory Services”. Our advisory...
An award winning, locally owned, IT Managed Security Services Provider (MSSP) working with SME/Enterprise customers across the UK, Ireland and internationally. Outsource solutions and services, covering from 'the desktop to the data centre' are all underpinned by our "Security First" approach and focus on improving the security, performance and productivity of every company we partner with. We also offer a suite...
With 18+ years of experience in the Cyber Security and Compliance market, MetaCompliance provides an innovative solution for staff information security awareness and incident management automation. The MetaCompliance platform was created to meet customer needs for a single, comprehensive solution to manage the people risks surrounding Cyber Security, Data Protection and Compliance. The solution provides an easier approach to managing...
Xunison: Powering a connected, secure, and sustainable future with smart technology Welcome to the Xunison LinkedIn page! We are thrilled to connect with you and share how our cutting-edge technology can benefit your business. Xunison is an Irish-based technology company that specializes in providing innovative software and hardware solutions to the Telco and ISP industries. Focused on empowering Communications Service...
Dectar is an innovative European cyber security firm focused on proactively preventing cyberattacks and protecting the critical data at the core of every organisation. With offices in Ireland and Italy, the company develops ACSIA XDR Plus (Automated Cyber Security Intelligence Application), an Extended Detection and Response solution, that includes Threat Intelligence and Anti-Surveillance protection in our core XDR product. We...
Storm Technology is a Microsoft Solutions Partner with over 30 years of experience, specializing in helping clients expand the possibilities of what digital technology can achieve for their business. The company provides expertise in digital technology advancement and adoption, delivering strategic consultancy and managed IT services. In August 2024, Storm Technology was acquired by Littlefish, a managed IT and cyber...
Fortinet develops and sells cybersecurity solutions.
Fortinet's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue is described as accelerating into 2026 with notable year-over-year increases in multiple quarters, supported by rising billings and upgraded full-year guidance. Feedback suggests momentum is broad-based across segments like Unified SASE and SecOps.
Profitability: Operating margins are characterized as high, with references to record non-GAAP operating margin and strong EPS performance. Feedback suggests profitability is growing alongside top-line expansion.
Healthy Cash Flow: Free cash flow is noted as strong, including a substantial quarterly figure approaching $1 billion and multibillion full-year levels. Feedback suggests sustained cash generation accompanies growth.
Agentless cyber defense that brings all your cloud providers, OT, IoT, SCADA and Network defense systems together in an informative storyboard to reduce the amount of work your threat hunting team needs to do to find the bad guys
Zettabytes IT Support was founded in 1986 by Declan Branagan delivering a range of It Services for nearly 40 years. Our value proposition is based around finding and providing the best fit IT solution for our core clients (Solicitors and other small to medium sized professional businesses (SMB's)) and delivering a service we are proud of. Zettabytes have wide range of products...
