Company lists · Data refreshed September 2026

Top 25 Managed IT services companies based in Ireland

Name: Managed IT services companies based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 143 companies tracked

RevenueBase identified 143 managed IT services companies headquartered in Ireland as of September 2026 and tracks 3,438 professional contacts across them, including 1,568 with verified work emails and 130 with mobile numbers. Dublin is the largest hub.

This list covers managed IT services companies headquartered in Ireland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

143Companies

3,438Contacts tracked

1,568Verified emails

130Mobile numbers

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The 25 largest managed IT services companies based in Ireland

Ranked by team size

Top 25 of 143 managed IT services companies based in Ireland, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names managed IT services companies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	ERGOIndirect evidence	East Point Business Park, IrelandHQ checked Sep 5, 2026	501-1,000	835
	“Ergo, a Presidio company, is a leading technology partner delivering world-class services and solutions to organisations across Ireland and beyond.” Source: company website · checked Sep 5, 2026
2	Viatel Technology GroupPartial evidence	Dublin 12, IrelandHQ checked Sep 5, 2026	201-500	335
	“We deliver fully managed security, networking, cloud and communications services designed to drive enterprise.” Source: company website · checked Sep 5, 2026
3	NostraStrong evidence	Dublin 12, IrelandHQ checked Sep 5, 2026	201-500	288
	“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.” Source: company website · checked Sep 5, 2026
4	ICT ServicesPartial evidence	Nass Road, IrelandHQ checked Sep 5, 2026	51-200	137
	“Introducing ICT Services: Your Trusted IT Partner in Ireland.” Source: company website · checked Sep 5, 2026
5	Presidio Europe & Asia PacificIndirect evidence	Dublin, IrelandHQ checked Sep 5, 2026	201-500	102
	“Welcome to the official EMEA & APAC page for Presidio.” Source: company website · checked Sep 5, 2026
6	DatapacIndirect evidence	Dublin, IrelandHQ checked Sep 5, 2026	51-200	86
	“Datapac is one of Ireland’s largest and most successful ICT solutions and services providers.” Source: company website · checked Sep 5, 2026
7	TitanhqIndirect evidence	Galway, IrelandHQ checked Sep 5, 2026	51-200	77
	“TitanHQ and Redstor have merged to launch CyberSentriq, a cybersecurity champion built for MSPs and their customers.” Source: company website · checked Sep 5, 2026
8	HCSIndirect evidence	Dublin 24, IrelandHQ checked Sep 5, 2026	51-200	63
	“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…” Source: company website · checked Sep 5, 2026
9	InnovateStrong evidence	Dublin 18, IrelandHQ checked Sep 5, 2026	11-50	58
	“INNOVATE - The IT Solutions People INNOVATE provide Managed IT Services and Professional IT Services across \| Networking \| Security \| Communications \| Cloud Productivity \| Cloud…” Source: company website · checked Sep 5, 2026
10	Vision Business Technology VBTPartial evidence	Kilmacanogue, IrelandHQ checked Sep 5, 2026	51-200	55
	“At VBT IT Solutions, we help businesses leverage technology to operate more securely, efficiently, and productively.” Source: company website · checked Sep 5, 2026
11	Intuity TechnologiesPartial evidence	Galway, IrelandHQ checked Sep 5, 2026	51-200	51
	“Intuity Technologies is an Irish technology company specialising in Data, AI, IT and Cybersecurity, headquartered in Galway.” Source: company website · checked Sep 5, 2026
12	FuturerangeIndirect evidence	Sandyford, IrelandHQ checked Sep 5, 2026	11-50	45
	“We are FutureRange.” Source: company website · checked Sep 5, 2026
13	Zettabytes Gold Microsoft PartnerPartial evidence	Swords, IrelandHQ checked Sep 5, 2026	11-50	42
	“Zettabytes IT Support was founded in 1986 by Declan Branagan delivering a range of It Services for nearly 40 years.” Source: company website · checked Sep 5, 2026
14	Tomorrows World TWPartial evidence	Dublin, IrelandHQ checked Sep 5, 2026	51-200	36
	“Tomorrows World Limited (TW) was founded in 1979 and is one of the longest established IT services companies in Ireland.” Source: company website · checked Sep 5, 2026
15	Unitec IT SolutionsIndirect evidence	Clonmel, IrelandHQ checked Sep 5, 2026	11-50	35
	“Unitec are an international technology company with offices in both Ireland and South Africa.” Source: company website · checked Sep 5, 2026
16	Evad Technology GroupStrong evidence	Dublin, IrelandHQ checked Sep 5, 2026	51-200	34
	“Founded in 2008, EVAD Technology Group delivers Zero‑Trust IT managed services across Ireland, the UK, Europe, Asia and Africa, specialising in cloud solutions, cybersecurity…” Source: company website · checked Sep 5, 2026
17	it.ieStrong evidence	Dublin, IrelandHQ checked Sep 5, 2026	11-50	31
	“We have been delivering premium Managed IT Services & Technology Solutions to business clients across Ireland since 2004.” Source: company website · checked Sep 5, 2026
18	Business IT SolutionsIndirect evidence	Kilkenny, IrelandHQ checked Sep 5, 2026	11-50	31
	“BITS (BUSINESS I.T.” Source: company website · checked Sep 5, 2026
19	Bytek IT SolutionsIndirect evidence	Glasnevin, IrelandHQ checked Sep 5, 2026	11-50	30
	“Power your business with hassle-free solutions.” Source: company website · checked Sep 5, 2026
20	TypetecStrong evidence	Dublin 12, IrelandHQ checked Sep 5, 2026	11-50	29
	“Celebrating over 35 years in business, Typetec is a leading professional IT cloud and managed service company.” Source: company website · checked Sep 5, 2026
21	ParadynPartial evidence	Sandyford, IrelandHQ checked Sep 5, 2026	51-200	27
	“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…” Source: company website · checked Sep 5, 2026
22	Infinity ITStrong evidence	Dublin, IrelandHQ checked Sep 5, 2026	11-50	26
	“Infinity IT provides Managed IT, Security and Communications Solutions and Services, both in the Cloud and On Premise, to both the Private and Public sectors.” Source: company website · checked Sep 5, 2026
23	DNA IT SolutionsPartial evidence	Dublin, IrelandHQ checked Sep 5, 2026	11-50	26
	“DNA IT Solutions provide effective technologies for business success.” Source: company website · checked Sep 5, 2026
24	Landmark TechnologiesIndirect evidence	Dublin 12, IrelandHQ checked Sep 5, 2026	11-50	26
	“At Landmark Technologies our proactive services are designed to provide small to medium enterprises with the kind of diagnostic approach usually only available to large…” Source: company website · checked Sep 5, 2026
25	Infinite TechnologyPartial evidence	Dublin, IrelandHQ checked Sep 5, 2026	11-50	26
	“At Infinite Technology, we’re dedicated to advancing Irish businesses with IT solutions that enhance efficiency, strengthen security, and drive growth.” Source: company website · checked Sep 5, 2026

Showing 25 of 143 managed IT services companies based in Ireland

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Managed IT services companies based in Ireland at a glance

As of Sep 5, 2026

11-50Median size (employees)

DublinLargest hub · 44 HQs

130Contacts with mobile numbers

Sep 5, 2026Data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Verified emails by last verification

0–30

1,471

31–60

61–90

90–180

180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among managed IT services companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

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: Companies headquartered in Ireland whose own description of what they do matches “managed IT services companies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among managed IT services companies, and records with no verified work email. Companies headquartered outside Ireland are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,568 across the full list. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Managed IT services companies by metro

Managed IT services companies in Dublin44

Frequently asked

How many managed IT services companies are there based in Ireland?

RevenueBase identified 143 managed IT services companies headquartered in Ireland as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

ERGO, headquartered in Dublin, tops this list with the largest team on record.

Which city has the most managed IT services companies?

Dublin leads with 44 headquartered companies, followed by Galway (4) and Limerick (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,568 verified decision-maker contacts tracked across these 143 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.

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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.