Company lists · Data refreshed September 2026

Top 24 Cybersecurity transformation services based in Ireland

Name: Cybersecurity transformation services based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 92 companies tracked

RevenueBase identified 92 company matches for cybersecurity transformation services associated with Ireland as of September 2026 and tracks 1,740 professional contacts across them, including 1,028 with verified work emails. Dublin is the largest hub.

This list covers company matches for cybersecurity transformation services associated with Ireland, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

92Companies

1,740Contacts tracked

1,028Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 24 largest cybersecurity transformation services based in Ireland

Ranked by team size

Top 24 of 92 company matches for cybersecurity transformation services based in Ireland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	PFH Technology Group	Exact match	Dublin, IrelandHQ recorded Sep 28, 2026	501-1,000	578 contacts →
	Exact match “PFH Technology Group, a Ricoh Company, is Ireland's largest ICT services and solutions provider with 800+ employees (600+ technical).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Nostra	Exact match	Dublin 12, IrelandHQ recorded Sep 28, 2026	201-500	288 contacts →
	Exact match “Nostra was established in 2006 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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Presidio Europe & Asia Pacific	Exact match	Dublin, IrelandHQ recorded Sep 28, 2026	201-500	102 contacts →
	Exact match “Welcome to the official EMEA & APAC page for Presidio.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	BH Consulting	Exact match	Dublin, IrelandHQ recorded Sep 28, 2026	11-50	81 contacts →
	Exact match “BH Consulting is an independent consulting firm in operation since 2004.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Trend Micro Europe	Exact match	Cork, IrelandHQ recorded Sep 28, 2026	5,001-10,000	75 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	HCS	Exact match	Dublin 24, IrelandHQ recorded Sep 28, 2026	51-200	63 contacts →
	Exact match “The technology landscape may be changing every day, but with a team of internationally accredited experts right here in Ireland, HCS can navigate your organisation across its…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Paradyn	Exact match	Sandyford, IrelandHQ recorded Sep 28, 2026	51-200	27 contacts →
	Exact match “Paradyn is a leading provider of IT security and consultancy services in Ireland, offering a comprehensive, best-in-class suite of security services to monitor, protect and defend…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Commsec Cyber Security	Exact match	Blanchardstown, IrelandHQ recorded Sep 28, 2026	11-50	21 contacts →
	Exact match “CommSec is an Irish cyber security company helping organisations protect their systems, data, and operations against modern cyber threats.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Whatsexposed	Exact match	Castlebar, IrelandHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “CREST-certified offensive security and continuous exposure management, delivered through a single SaaS platform.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Viso Cyber Security	Exact match	Dublin, IrelandHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “We Simplify Cyber Security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Exclusive Networks Ireland	Exact match	Citywest, IrelandHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “Exclusive Networks is a global trusted cybersecurity specialist for digital infrastructure helping to drive the transition to a totally trusted digital future for all people and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	ATORO	Exact match	Portarlington, IrelandHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “Atoro is a cyber compliance consultancy for scaling software companies, and Europe's first ISO 42001 certified consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Penteor	Exact match	Dublin, IrelandHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “Our aim is to help organizations defend against cyber-attacks by finding their vulnerabilities in a proactive manner.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Ward Solutions	Exact match	IrelandHQ recorded Sep 28, 2026	51-200	11 contacts →
	Exact match “Ward Solutions is Ireland’s largest Information Security provider.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Stryve Secure - The Cyber	Exact match	Galway, IrelandHQ recorded Sep 28, 2026	201-500	11 contacts →
	Exact match “Sleepless provides security-first IT-managed services to support your operations, secure your data and enable digital transformation to empower your business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Enterprise Defence	Exact match	Sligo, IrelandHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “Enterprise Defence are an award winning team of cyber security specialists.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	DAYNT	Exact match	Dublin, IrelandHQ recorded Sep 28, 2026	11-50	9 contacts →
	Exact match “At Daynt, we are a boutique technology and professional services firm dedicated to helping startups, SMEs, and growing enterprises navigate their digital transformation journeys.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Wolf And OAK	Exact match	Dublin, IrelandHQ recorded Sep 28, 2026	11-50	9 contacts →
	Exact match “We help companies achieve their goals by identifying the gap between where they are and where they need to be, by ensuring the deployment of best-fit technologies, the first time…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Datalogix Solutions An Ekco Company	Exact match	Cork, IrelandHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “DataLogiX specialise in securing Operational Technology Networks used by global organisations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Intercept Technologies	Exact match	Dublin 2, IrelandHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Intercept Technologies, the game-changer in advanced monitoring and state-of-the-art tooling, offering unparalleled identification and remediation of potential exposures and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Ripplecom L A Viatel Group Company	Exact match	Limerick, IrelandHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “Ripplecom delivers telecoms and IT security that really work for business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Secora Consulting LTD	Exact match	Stranorlar, IrelandHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Secora Consulting are experts in cybersecurity and risk mitigation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Cyberhealth	Exact match	Dublin, IrelandHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “At Cyberhealth, we specialise in providing cost-effective cybersecurity services tailored specifically for small to medium-sized businesses (SMBs).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Tusa IT	Exact match	Ballycoolen, IrelandHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “TUSA IT helps your business to leverage IT Solutions to keep you secure and drive your business goals.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “cybersecurity transformation services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 24 of 92 cybersecurity transformation services based in Ireland

See the full list, filter by size, metro and specialty, and access 1,028 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Cybersecurity transformation services based in Ireland at a glance

As of Sep 28, 2026

59.1%Verified-email coverage

18.9Average contacts per company

1-10Median size (employees)

31.5%Largest-city concentration · Dublin

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

5,001-10,000

Email recency for this list is measured worldwide rather than for Ireland, so it is reported there. Company counts and contact totals on this page are exact for Ireland, over 92 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Ireland whose business descriptions match “cybersecurity transformation services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 1,028 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Cybersecurity transformation services by metro

Cybersecurity transformation services in Dublin29

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “cybersecurity transformation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity transformation services are there based in Ireland?

RevenueBase identified 92 company matches for cybersecurity transformation services associated with Ireland as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

PFH Technology Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cybersecurity transformation services?

Dublin leads with 29 company records, followed by Cork (4) and Naas (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,028 professional contacts with verified work emails tracked across these 92 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 92 cybersecurity transformation services based in Ireland. Start with a free account, no credit card.

Download this list →

Related lists

Cybersecurity transformation services by geography

Browse the directory

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.