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Top Cyber Security Companies in Dublin (52)

CSC
Fintech • Legal Tech • Software • Financial Services • Cybersecurity • Data Privacy
41 Offices
8,500 Employees
99 Benefits Hiring Now
CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world.

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.

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CSC

CSC's Top Stability & Growth Strengths

Market Expansion: CSC operates in 140+ jurisdictions and opened a larger Luxembourg office in June 2024 to build for continued growth, citing an expanding local client base and about 600 staff there. Headcount disclosures reiterate a global workforce of more than 8,000, reflecting a broader operational footprint.

Product Line Growth: The Intertrust acquisition and full migration to the CSC brand in April 2024 expanded capabilities across corporate, fund, and capital‑markets administration. The Eddystone Financial Services acquisition in June 2023 added loan agency services in Australia and New Zealand, broadening regional offerings.

Strong Market Position & Advantage: CSC highlights service to more than 90% of the Fortune 500 and the 100 Best Global Brands, indicating deep enterprise penetration. Company materials emphasize a large, integrated platform serving clients in 140+ jurisdictions.

Datadog
Artificial Intelligence • Cloud • Security • Software • Cybersecurity
16 Offices
6,500 Employees
104 Benefits Hiring Now
We are building the monitoring and security platform for developers, IT ops teams and business users in the cloud age.

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...

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Datadog

Datadog's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is accelerating, with early‑2026 results exceeding the prior year’s pace and the full‑year outlook raised to reflect continued momentum. Large‑customer additions further reinforce top‑line expansion at scale.

Healthy Cash Flow: Operating and free cash flow remain substantial, including strong generation in Q2 2026 and across FY2025. This liquidity provides flexibility to invest while sustaining growth.

Innovation-Driven Growth: New AI‑powered capabilities—such as Bits AI offerings, GPU Monitoring, and an agent builder—were launched around Q1–Q2 2026 and at DASH 2026, supporting usage and upsell. Broader multi‑product adoption and growth in high‑ARR cohorts are highlighted across recent updates.

Mastercard
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
We are a global technology company in the payments industry.

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...

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Mastercard

Mastercard's Top Stability & Growth Strengths

Strong Revenue Growth: Net revenue rose 14% year over year in Q2 2026 (12% currency‑neutral) to $9.3B, with first‑half 2026 up 15% and full‑year 2025 up 16% (15% currency‑neutral). These results indicate sustained top‑line momentum across recent periods.

Diversified Revenue Streams: Value‑Added Services & Solutions grew 20% in Q2 2026 (18% currency‑neutral) and 23% in 2025, outpacing Payment Network growth. This mix shift adds a faster‑growing second engine alongside the core network.

Resilient & Sustainable Growth: Transaction fundamentals remained healthy in Q2 2026—gross dollar volume +8% to $2.9T, cross‑border +12%, and switched transactions +9% (local‑currency). Multi‑year growth from 2025 into the first half of 2026 underscores durable momentum.

Rapid7
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
15 Offices
2,400 Employees
99 Benefits
Take Command of your Career

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...

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Rapid7

Rapid7's Top Stability & Growth Strengths

Profitability: Q2 2026 delivered positive GAAP operating income of $3.0M and non‑GAAP operating income of $28.9M, with management raising the 2026 non‑GAAP operating income outlook. This indicates margin improvement even as the top line softens.

Healthy Cash Flow: Free cash flow was $31.9M in Q2 2026 and management is targeting around $125–$135M for full‑year 2026. This ongoing cash generation underscores improved efficiency during a reset year.

Investor Backing & Capital Strength: Cash and short‑term investments increased to about $703M as of June 30, 2026, up from roughly $657M at year‑end 2025. This liquidity provides flexibility amid slower ARR and revenue trends.

EPAM Systems
Big Data • Cloud • Consumer Web • Healthtech • Software • Cybersecurity • Generative AI
90 Offices
62,850 Employees
37 Benefits
EPAM Systems, Inc. (EPAM) is a global leader in AI transformation engineering and integrated consulting.

EPAM (NYSE:EPAM) is a global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, EPAM empowers organizations to become AI-Native enterprises, driving measurable value from innovation and digital investments. Recognized by industry benchmarks and leading analysts as a leader in...

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EPAM Systems

EPAM Systems's Top Stability & Growth Strengths

Strong Market Position & Advantage: Independent analyst and client assessments place EPAM in the Leaders tier for custom software development and experience/design services, signaling durable competitive standing. European buyer-ranked studies citing top rankings for Application Services and General Satisfaction further reinforce execution strength in core engineering markets.

Strong Revenue Growth: Reported 2025 revenue rose to roughly $5.46B with double‑digit year‑over‑year growth and Q4 momentum, alongside a modest headcount increase. Management guides to additional growth in 2026, indicating expansion off the 2025 rebound.

Innovation-Driven Growth: The company is scaling AI‑native offerings and platforms (e.g., EPAM AI/RUN and DIALX Lab) with strong double‑digit AI revenue momentum and an ambition to exceed $600M of AI‑native revenue in 2026. Multiple cloud and AI awards and collaborations point to innovation-led pipeline and wins.

Dataminr
Artificial Intelligence • Big Data • Computer Vision • Machine Learning • Natural Language Processing • Software • Cybersecurity
7 Offices
776 Employees
33 Benefits Hiring Now
Dataminr's AI platform detects the earliest signals of high-impact events and emerging risks.

Dataminr -- long recognized as one of the world’s leading artificial intelligence (AI) startups -- puts real-time AI and public data to work for our customers, generating relevant and actionable alerts for thousands of users working in more than 100 countries for hundreds of client organizations--spanning global corporations, public sector agencies, NGOs, and newsrooms. As 2020 taught us, the unexpected can...

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Dataminr
Enea AB
Artificial Intelligence • Security • Cybersecurity
12 Offices
892 Employees
14 Benefits Hiring Now

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...

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Enea AB
Persistent Systems
Artificial Intelligence • Cloud • Information Technology • Software • Cybersecurity • App development • Big Data Analytics
54 Offices
23,000 Employees
18 Benefits
See Beyond, Rise Above

Persistent Systems is a leading provider of digital transformation services, offering innovative solutions tailored to various industries worldwide. With a robust global presence, they deliver cutting-edge services in product engineering, digital strategy, and data analytics, helping businesses thrive in today's rapidly evolving landscape. From healthcare and financial services to retail and manufacturing, Persistent Systems empowers organizations across diverse sectors to...

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Persistent Systems
Integrity360
Security • Consulting • Cybersecurity
14 Offices
358 Employees
13 Benefits Hiring Now

Integrity360 is one of Europe’s leading cyber security specialists operating from office locations in the UK, Ireland, Bulgaria and Sweden. The group provides a comprehensive range of professional, support and managed cyber security services that identify and assess, protect and prevent, detect and analyse and respond and recover cyber risks and threats. Working either independently or as an extension of...

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Integrity360
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CyberOne Security
Software • Cybersecurity
4 Offices
73 Employees

CyberOne is a dedicated cybersecurity company that improves the security capabilities of customers cost effectively. While focused on services, CyberOne also resells best-of-breed products to provide a complete solution. We partner with our clients to align and execute their long-term security strategy.

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CyberOne Security
RE:SURE | A Fortus Company
Cloud • Security • Cybersecurity
Dublin
27 Employees

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...

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RE:SURE | A Fortus Company
OUTSOURCE
Information Technology • Cybersecurity
5 Offices
46 Employees

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...

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OUTSOURCE
Vectra AI
Artificial Intelligence • Security • Cybersecurity
12 Offices
460 Employees
33 Benefits

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...

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Vectra AI
MetaCompliance
Information Technology • Software • Cybersecurity • Automation
5 Offices
232 Employees

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...

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MetaCompliance
iON - We protect the brands you know.
Software • Cybersecurity
Dublin
53 Employees
28 Benefits

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...

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iON - We protect the brands you know.
Mesh - Email Security Redefined for MSPs
Security • Cybersecurity
Blackrock
16 Employees

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...

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Mesh - Email Security Redefined for MSPs
Riot (tryriot.com)
Information Technology • Cybersecurity
22 Offices
105 Employees
43 Benefits

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.

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Riot (tryriot.com)
Kroll
Big Data • Security • Software • Analytics • Cybersecurity
25 Offices
5,001 Employees
17 Benefits Hiring Now

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...

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Kroll

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.

PFH Technology Group
Information Technology • Cybersecurity
4 Offices
594 Employees
9 Benefits Hiring Now

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...

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PFH Technology Group
Edgescan
Information Technology • Security • Cybersecurity
Dublin
95 Employees

One platform. Complete visibility. Fixed costs. Unlimited scans. Edgescan is the first fully-integrated cybersecurity platform that unifies five robust solutions into a single combative platform. These solutions include External Attack Surface Management (EASM), Risk-based Vulnerability Management (RBVM), Application Security Testing (AST), API Security Testing and Penetration Testing as a Service (PTaaS). The Edgescan platform is a hybrid solution that provides...

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Edgescan

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