Company lists · Data verified August 2026

Top 25 Enterprise cloud transformation firms based in Ireland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 265 companies tracked

There are 265 enterprise cloud transformation firms headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 11,932 professional contacts across them, including 4,140 with verified work emails and 562 with mobile numbers. Dublin is the largest hub.

This list covers enterprise cloud transformation 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.

265Companies

11,932Contacts tracked

4,140Verified emails

562Mobile numbers

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The 25 largest enterprise cloud transformation firms based in Ireland

Ranked by team size

Top 25 of 265 enterprise cloud transformation 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	Seidor	Dublin	5,001-10,000	6,127	1,584
2	ERGO	n/a	501-1,000	832	256
3	Cennox	Dublin	1,001-5,000	607	400
4	PFH Technology Group	Galway City	501-1,000	575	398
5	EKCO	Portlaoisei	501-1,000	559	423
6	Zinkworks	Athlone	201-500	167	105
7	Appirio	Block D	1,001-5,000	145	15
8	8 West Consulting	Cork	201-500	143	101
9	Kasadara Technology Solutions	Dundalk	51-200	139	14
10	Presidio Europe & Asia Pacific	Dublin	201-500	100	77
11	Triangle Technology Services	n/a	51-200	98	75
12	Nucleo	Dublin	51-200	85	53
13	Project Foundry	Dublin	51-200	73	51
14	JET BI	Ballsbridge	51-200	66	36
15	HCS	Cork	51-200	63	39
16	Netroots Technologies LLC	Dublin	51-200	52	1
17	Saros Consulting	n/a	51-200	47	31
18	Island Networks	Dublin	51-200	45	22
19	Sidero	Athlone	51-200	43	5
20	SPARK	Dublin	11-50	41	10
21	Microwarehouse LTD	n/a	11-50	40	24
22	Ubiqube	n/a	51-200	35	9
23	CPP Associates, INC	Galway	11-50	31	20
24	MJ Flood Technology	Dublin	51-200	31	9
25	Leit Data	Dalkey	51-200	31	1

Showing 25 of 265 enterprise cloud transformation firms based in Ireland

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Enterprise cloud transformation firms based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 111 HQs

562Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

135

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Enterprise cloud transformation firms by metro

Metro	Companies
Enterprise cloud transformation firms in Dublin	111
Enterprise cloud transformation firms in Cork	14
Enterprise cloud transformation firms in Limerick	6
Enterprise cloud transformation firms in Galway	5
Enterprise cloud transformation firms in Sandyford	4
Enterprise cloud transformation firms in Ireland	4
Enterprise cloud transformation 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 cloud transformation 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 cloud transformation firms are there based in Ireland?

There are 265 enterprise cloud transformation firms headquartered in Ireland as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most enterprise cloud transformation firms?

Dublin leads with 111 headquartered companies, followed by Cork (14) and Limerick (6).

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 4,140 verified decision-maker contacts tracked across these 265 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.