Company lists · Data verified August 2026

Top 25 Enterprise IT consulting firms based in Ireland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 286 companies tracked

There are 286 enterprise IT consulting firms headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 3,435 professional contacts across them, including 1,437 with verified work emails and 172 with mobile numbers. Dublin is the largest hub.

This list covers enterprise IT consulting firms headquartered in Ireland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

286Companies

3,435Contacts tracked

1,437Verified emails

172Mobile numbers

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The 25 largest enterprise IT consulting firms based in Ireland

Ranked by team size

Top 25 of 286 enterprise IT consulting firms based in Ireland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	PFH Technology Group	Galway City	501-1,000	575	398
2	Nostra	Dublin	201-500	286	204
3	Appirio	Block D	1,001-5,000	145	15
4	8 West Consulting	Cork	201-500	143	101
5	Presidio Europe & Asia Pacific	Dublin	201-500	100	77
6	Conscia	Citywest Business Campus	1,001-5,000	94	28
7	Itech Consult AG	Dun Laoghaire	201-500	94	9
8	Datapac	n/a	51-200	86	34
9	Numata Business IT	Dundrum	51-200	85	49
10	Enterprise Registry Solutions	n/a	11-50	76	54
11	HCS	Cork	51-200	63	39
12	Netroots Technologies LLC	Dublin	51-200	52	1
13	Intuity Technologies	Galway	51-200	50	34
14	Saros Consulting	n/a	51-200	47	31
15	Leit Data	Dalkey	51-200	31	1
16	Bytek IT Solutions	New Ross	11-50	30	19
17	ISC Software Solutions LTD	n/a	11-50	27	11
18	DNA IT Solutions	Dublin	11-50	26	15
19	Bethel Digitech	Dublin	51-200	23	14
20	Synovia Digital	Dublin	11-50	21	11
21	PAQ IT	Limerick	11-50	20	15
22	Crimson Line	Dublin	11-50	20	13
23	Spector IT	n/a	11-50	19	10
24	Clarion Consulting	Dublin	11-50	16	7
25	Unity Technology Solutions- An Ekco Company	n/a	51-200	15	7

Showing 25 of 286 enterprise IT consulting firms based in Ireland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,437 reachable decision-makers.

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Enterprise IT consulting firms based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 106 HQs

172Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

174

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Enterprise IT consulting firms by metro

Metro	Companies
Enterprise IT consulting firms in Dublin	106
Enterprise IT consulting firms in Cork	9
Enterprise IT consulting firms in Limerick	7
Enterprise IT consulting firms in Galway	6
Enterprise IT consulting firms in Ireland	5
Enterprise IT consulting firms in Sandyford	4
Enterprise IT consulting firms in Blackrock	4

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “enterprise IT consulting firms”, with match quality audited by blind human judging, and headquartered in Ireland.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

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

There are 286 enterprise IT consulting firms headquartered in Ireland as of August 2026 (RevenueBase).

What is the largest company on this list?

PFH Technology Group, headquartered in Galway City, tops this list with the largest team on record.

Which city has the most enterprise IT consulting firms?

Dublin leads with 106 headquartered companies, followed by Cork (9) and Limerick (7).

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 1,437 verified decision-maker contacts tracked across these 286 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.