Top Cyber Security Companies in Dublin (55)
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.
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.
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.
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...
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...
SAP is one of the world’s leading producers of software for business process management. Today, SAP has over 250 million cloud users and more than 100 solutions covering all industries and business functions. Every day, we help companies and organizations of all sizes and industries to run their businesses profitably, to adapt continuously, and grow sustainably.
SAP's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent trackers place SAP at or near the top of enterprise applications by revenue, and leading analyst evaluations consistently name it a Leader in cloud ERP across key segments. Breadth in adjacent areas like supply chain planning and accounts‑payable automation reinforces advantage across end‑to‑end processes.
Strong Revenue Growth: Recent full‑year results show accelerating top‑line momentum led by cloud, with Cloud ERP outpacing the broader portfolio. Guidance points to continued double‑digit cloud expansion, indicating sustained demand.
Profitability: Non‑IFRS operating profit increased markedly and free cash flow nearly doubled in 2025, reflecting improved margins as the cloud mix scales. The rising share of more predictable revenue supports earnings quality.
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.
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.
Business and IT leaders trust Ergo. By embracing the relentless pace of change and the power of technology to navigate it, we steer clients away from risk and towards reward. Putting our people at the heart of problem solving, we forge long-lasting relationships with our customers and partners, offering expert advice and bespoke IT solutions that align with each client’s unique...
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...
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.
Vectra® is the leader in threat detection and response – from cloud and data center workloads to user and IoT devices. Its Cognito® platform accelerates threat detection and investigation using AI to enrich network metadata it collects and stores with the right context to detect, hunt and investigate known and unknown threats in real time. Vectra offers four applications on...
Established in 1999, Certification Europe is in a league of its own among accredited certification bodies worldwide. In the local and international environment, we are proud of our expertise, we are considered an authority in Information Security Management Systems (ISO 27001), as well as thought leaders in our fields of expertise. We assess companies for certification to a dynamic portfolio...
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...
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...
At Akamai, we make life better for billions of people, billions of times a day. Every moment, billions of people, all over the world, are using the internet to shop, play games, look after finances, learn remotely, share videos, connect across the world, and so much more. These life-shaping digital experiences wouldn’t be possible without Akamai. We power and protect life...
Akamai Technologies's Top Stability & Growth Strengths
Product Line Growth: Security remains the largest business and is expanding, while Cloud Infrastructure Services tied to compute and AI is growing rapidly. A multi‑year AI infrastructure commitment is reinforcing momentum in these newer lines.
Strong Market Position & Advantage: Across CDN/edge delivery and WAAP, the company is consistently evaluated as a leader by major analysts, with scale and an integrated portfolio cited as strengths. Independent assessments in DDoS mitigation, WAAP, and edge delivery reinforce leadership in core markets.
Future-Ready Strategy: The company is investing to evolve from CDN/security into a fuller cloud and edge compute platform, including GPU build‑outs and an AI‑focused infrastructure roadmap. Management signals stronger out‑year growth potential as large AI deals scale.
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As the world moves to a mobile-first economy, businesses need to modernize how they acquire, engage with and enable consumers. Prove’s phone-centric identity tokenization and passive cryptographic authentication solutions reduce friction, enhance security and privacy across all digital channels, and accelerate revenues while reducing operating expenses and fraud losses. Over 1,000 enterprise customers use Prove’s platform to process 20 billion...
Prove's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue is reported to have increased year over year in 2025. Earlier disclosures and independent estimates also indicate rapid expansion over prior years.
Strong Market Position & Advantage: Adoption by thousands of enterprises, including most top U.S. banks, and very high authentication volumes point to a leading position in phone-centric identity. Multiple industry recognitions and a substantial patent estate further reinforce this standing.
Market Expansion: New international investments, including an expansion in Ireland with added hiring, and broader global coverage claims signal ongoing geographic scaling. Rising enterprise adoption since 2023 supports a widening commercial footprint.
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.
Kroll is the world’s premier provider of services and digital products related to valuation, governance, risk and transparency. We work with clients across diverse sectors in the areas of valuation, expert services, investigations, cyber security, corporate finance, restructuring, legal and business solutions, data analytics and regulatory compliance. Our firm has nearly 5,000 professionals in 30 countries and territories around the...
Kroll's Top Stability & Growth Strengths
Strong Market Position & Advantage: Multiple third-party descriptions and industry recognitions portray Kroll as a leading independent provider in financial and risk advisory, with top placements in areas like fairness opinions and investigations/forensics. Scale signals such as a global workforce and long operating history reinforce a durable competitive position.
Market Expansion: Evidence points to active expansion through new practices (e.g., Economics and Decision Intelligence), geographic build-outs, and acquisitions across regions including APAC, Europe, and Latin America. Announcements of added services and locations indicate an expanding footprint.
Diversified Revenue Streams: A broad portfolio spanning valuation, investigations, due diligence, compliance, cyber/MDR/IR, restructuring, and agency/trustee services suggests multiple demand drivers. Recognition across several distinct service lines implies revenue is not dependent on a single offering.
