Company lists · Data refreshed September 2026

Top 25 Business IT consulting firms based in Ireland

Name: Business IT consulting firms based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 224 companies tracked

RevenueBase identified 224 company matches for business IT consulting firms associated with Ireland as of September 2026 and tracks 2,370 professional contacts across them, including 1,276 with verified work emails and 110 with mobile numbers. Dublin is the largest hub.

This list covers company matches for business IT consulting firms 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 23, 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 23, 2026 How this list was built

224Companies

2,370Contacts tracked

1,276Verified emails

110Mobile numbers

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The 25 largest business IT consulting firms based in Ireland

Ranked by team size

Top 25 of 224 company matches for business IT consulting firms based in Ireland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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 23, 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 23, 2026 · View company records in RevenueBase
2	Nostra	Exact match	Dublin 12, IrelandHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
3	Auxilion	Exact match	Dublin 12, IrelandHQ recorded Sep 23, 2026	201-500	248 contacts →
	Exact match “Digital Thinking, Built Different.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Presidio Europe & Asia Pacific	Exact match	Dublin, IrelandHQ recorded Sep 23, 2026	201-500	102 contacts →
	Exact match “Welcome to the official EMEA & APAC page for Presidio.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Datapac	Exact match	Dublin, IrelandHQ recorded Sep 23, 2026	51-200	86 contacts →
	Exact match “Datapac is one of Ireland’s largest and most successful ICT solutions and services providers.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	HCS	Exact match	Dublin 24, IrelandHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
7	Intuity Technologies	Exact match	Galway, IrelandHQ recorded Sep 23, 2026	51-200	51 contacts →
	Exact match “Intuity Technologies is an Irish technology company specialising in Data, AI, IT and Cybersecurity, headquartered in Galway.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	Auxilia Group	Exact match	Naas, IrelandHQ recorded Sep 23, 2026	501-1,000	44 contacts →
	Exact match “Expertise Rooted in Experience Auxilia Group is one of Ireland’s foremost business consulting firms, offering multi-business function support, via our panel of over 700 high…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Business IT Solutions	Exact match	Kilkenny, IrelandHQ recorded Sep 23, 2026	11-50	31 contacts →
	Exact match “BITS (BUSINESS I.T.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Bytek IT Solutions	Exact match	Glasnevin, IrelandHQ recorded Sep 23, 2026	11-50	30 contacts →
	Exact match “Power your business with hassle-free solutions.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	Paradyn	Exact match	Sandyford, IrelandHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
12	Infinity IT	Exact match	Dublin, IrelandHQ recorded Sep 23, 2026	11-50	26 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Infinite Technology	Exact match	Dublin, IrelandHQ recorded Sep 23, 2026	11-50	26 contacts →
	Exact match “At Infinite Technology, we’re dedicated to advancing Irish businesses with IT solutions that enhance efficiency, strengthen security, and drive growth.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	PAQ IT	Exact match	Limerick, IrelandHQ recorded Sep 23, 2026	11-50	20 contacts →
	Exact match “Founded in 2002 by Ger Sheehan, we are a long established, tried and trusted IT partner.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Spector IT	Exact match	Dublin 1, IrelandHQ recorded Sep 23, 2026	11-50	19 contacts →
	Exact match “At Spector, we help business leaders take control of their IT with clarity and confidence.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	Clarion Consulting	Exact match	Dublin, IrelandHQ recorded Sep 23, 2026	11-50	16 contacts →
	Exact match “Clarion Consulting is a leading Business and Information Technology consulting company.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	Unity Technology Solutions- An Ekco Company	Exact match	IrelandHQ recorded Sep 23, 2026	51-200	15 contacts →
	Exact match “Award winning Unity Technology Solutions has been the independent IT partner of choice for companies throughout Ireland for more than 20 years.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	Radium Technologies	Exact match	Dublin 18, IrelandHQ recorded Sep 23, 2026	1-10	13 contacts →
	Exact match “Radium is based in Dublin, Ireland, and delivers a range of professional IT services to suit all business needs including IT Consulting, Technical Support Helpdesk, Managed IT…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	ATORO	Exact match	Portarlington, IrelandHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
20	Ward Solutions	Exact match	IrelandHQ recorded Sep 23, 2026	51-200	11 contacts →
	Exact match “Ward Solutions is Ireland’s largest Information Security provider.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	HJKL	Exact match	Dublin, IrelandHQ recorded Sep 23, 2026	1-10	11 contacts →
	Exact match “Technology and People Consulting” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	DAYNT	Exact match	Dublin, IrelandHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
23	Wolf And OAK	Exact match	Dublin, IrelandHQ recorded Sep 23, 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 23, 2026 · View company records in RevenueBase
24	GPS IT Services LTD	Exact match	Celbridge, IrelandHQ recorded Sep 23, 2026	11-50	9 contacts →
	Exact match “Imagine an IT partnership that transcends conventional service providers – one that prioritizes your business growth over short-term gains.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	Intercept Technologies	Exact match	Dublin 2, IrelandHQ recorded Sep 23, 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 23, 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 “business IT consulting firms”. 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 25 of 224 business IT consulting firms based in Ireland

See the full list, filter by size, metro and specialty, and access 1,276 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Business IT consulting firms based in Ireland at a glance

As of Sep 23, 2026

53.8%Verified-email coverage

4.6%Mobile-number coverage

10.6Average contacts per company

1-10Median size (employees)

34.8%Largest-city concentration · Dublin

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

155

11-50

51-200

201-500

501-1,000

5,001-10,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 26.0d

9530–30

30131–60

1961–90

090–180

3180+

Company record updated

Median 78.0d

00–30

62331–60

1,10261–90

48390–180

162180+

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 “business IT consulting firms” 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 1,276 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 23, 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.

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 “business IT consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business IT consulting firms are there based in Ireland?

RevenueBase identified 224 company matches for business IT consulting firms 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 business IT consulting firms?

Dublin leads with 78 company records, followed by Limerick (8) and Blackrock (5).

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 1,276 professional contacts with verified work emails tracked across these 224 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 23, 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.