Top Cyber Security Companies in Dublin (55)
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.
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.
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.
Enea is a world-leading specialist in software for telecom and cybersecurity. The company’s cloud-native solutions connect, optimize, and secure services for mobile subscribers, enterprises, and the Internet of Things. More than 100 communication service providers and 4.5 billion people rely on Enea technologies every day. Enea has strengthened its product portfolio and global market position by integrating a number of...
SiliconRepublic.com has been Ireland’s most authoritative voice for science, technology and innovation news and features for more than 20 years. It has been ranked by Onalytica among the top 100 most influential sources on STEM, AI, blockchain, future of work, data science, digital transformation, IoT and fintech. Its coverage also includes in-depth news and features from across Europe’s sci-tech ecosystem,...
RE:SURE is part of the Fortus Group, the UK and Ireland's largest privately held CCTV and alarm distribution company. We are leaders in CCTV Monitoring, combining best in class solutions for our installation partners with world class service for end-users. We leverage newest technologies to provide security solutions that actually STOP the crime, rather than record it (traditional CCTV) or...
Veeam provides a single platform for modernizing backup, accelerating hybrid cloud and securing data. Veeam has 400,000+ customers worldwide, including 82% of the Fortune 500 and 69% of the Global 2,000. Veeam’s 100% channel ecosystem includes global partners, as well as HPE, NetApp, Cisco and Lenovo as exclusive resellers, and boasts more than 35K transacting partners worldwide.
Veeam's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent analyst evaluations (Gartner, Forrester) and IDC trackers consistently place Veeam at or near the top of enterprise backup/data protection, including #1 market‑share rankings. Evidence highlights repeated Leader placements and strong execution across virtual, physical, SaaS, and cloud workloads.
Strong Revenue Growth: Disclosures indicate ARR of $1.7B with double‑digit growth in 2024 and crossing to just over $2B by late 2025, alongside share gains in IDC’s 2H 2025 tracker. A late‑2024 secondary valuing the company at about $15B reinforces sustained growth momentum.
Future-Ready Strategy: The company is expanding from backup into end‑to‑end data resilience and AI/data trust, including the Securiti acquisition and launches like the DataAI Command Platform. Deepening SaaS coverage and alliances with HPE and Pure Storage indicate preparation for evolving workloads, security, and governance needs.
CYGNVS is your Out-of-Band Cyber Incident Platform for Leadership, IT/Security, Business Teams and External Providers to collaborate on a successful resolution.
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...
We design, deploy and secure advanced network infrastructures for organisations that demand high performance, resilience, and uncompromising security. Our expertise spans enterprise IT, Operational Technology (OT) environments, and critical infrastructure, where reliability and security are non‑negotiable. With deep hands‑on experience in Fortinet, Cisco, and high‑performance network architectures, Pablosec delivers solutions that go beyond theory focused on real‑world implementation, scalability, and long‑term...
Nostra was established over 17 years ago and in that time has become one of Ireland’s most trusted providers of Managed IT and Cyber Security Services for a wide range of sectors. Working with the world’s most advanced, innovative, and reliable technologies, Nostra enables businesses to grow by taking IT off the management team’s agenda, allowing them to focus on...
Sandbar builds software to stop financial crimes, including anti-money laundering solutions designed to improve the health of the global financial system.
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
We are a pure play IT security company, which allows us to focus solely on protecting your business from cyber threats. We have offices in Dublin, London and Sheffield, but are the trusted security partner of enterprise clients with critical IT assets in over 100 countries around the world. Our mission is to create a secure and certain future for...
Truvo Cyber is a Canadian cybersecurity consulting firm based in Ottawa, ON, helping growth-stage B2B companies build audit-ready security programs across SOC 2, ISO 27001, ISO 42001, CMMC, CPCSC, HITRUST, HIPAA, PIPEDA, and Quebec Law 25. Founded by Ali Aleali (CEO) and Oksana Zbyranyk (GRC Leader), whose team secured Canada's national payment infrastructure processing $400B nightly, Truvo acts as a...
Verizon is one of the world’s leading providers of technology and communications services, transforming the way we connect across the globe. We're a diverse network of people driven by our shared ambition to move the world forward - collectively building the network America relies on most. Here, we have the ability to learn and grow at the speed of technology,...
Verizon's Top Stability & Growth Strengths
Strong Market Position & Advantage: Verizon is positioned as a U.S. wireless leader by scale and enterprise reach, with repeated references to leadership by subscribers and differentiated enterprise/private 5G capabilities. Network reliability is also framed as a key advantage that supports premium positioning amid competition.
Market Expansion: The fiber footprint expands materially through the Frontier Communications acquisition, increasing broadband reach and strengthening the mobility-and-home convergence strategy. Fixed wireless access and broadband subscriber additions are described as ongoing growth vectors supporting a broader footprint.
Healthy Cash Flow: Cash generation is emphasized through guidance and commentary pointing to strong free cash flow that can fund spectrum, fiber, and 5G investments. Improved guidance and continued investment capacity are presented as resilience enablers even as competitive pressure rises.
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...
iON - We protect the brands you know.® (also known as iON United, or just iON) is one of Canada’s most trusted cybersecurity solution providers. Founded in 2003, our experienced team delivers best-in-class advisory, technology, and managed services for securing IT, OT, and cloud environments. With consecutive year-over-year growth, we foster meaningful relationships through meaningful work by helping organizations make...
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...
