Company lists · Data verified August 2026

Top 25 Digital transformation consulting firms based in Ireland

Name: Digital transformation 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 344 companies tracked

There are 344 digital transformation consulting firms headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 9,952 professional contacts across them, including 2,963 with verified work emails and 454 with mobile numbers. Dublin is the largest hub.

This list covers digital transformation 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.

344Companies

9,952Contacts tracked

2,963Verified emails

454Mobile numbers

Unlock all 344 companies Free account · no credit card · 2 minutes

The 25 largest digital transformation consulting firms based in Ireland

Ranked by team size

Top 25 of 344 digital transformation 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	Seidor	Dublin	5,001-10,000	6,127	1,584
2	Cennox	Dublin	1,001-5,000	607	400
3	Appirio	Block D	1,001-5,000	145	15
4	8 West Consulting	Cork	201-500	143	101
5	Kasadara Technology Solutions	Dundalk	51-200	139	14
6	Presidio Europe & Asia Pacific	Dublin	201-500	100	77
7	Nucleo	Dublin	51-200	85	53
8	Global Minds Group	n/a	201-500	69	14
9	JET BI	Ballsbridge	51-200	66	36
10	HCS	Cork	51-200	63	39
11	Core Optimisation	Shannon	51-200	56	46
12	Netroots Technologies LLC	Dublin	51-200	52	1
13	ALL Human	n/a	51-200	48	37
14	Saros Consulting	n/a	51-200	47	31
15	Island Networks	Dublin	51-200	45	22
16	KEY Dynamics Solutions Private Limited	Dublin	51-200	43	16
17	Sidero	Athlone	51-200	43	5
18	Brightbeam	Waterford	51-200	34	16
19	Deep Digital Solutions Group	Dungarvan	51-200	33	23
20	MJ Flood Technology	Dublin	51-200	31	9
21	Leit Data	Dalkey	51-200	31	1
22	The Information LAB Ireland	Dublin	11-50	25	15
23	Impact Engineering	Dublin	11-50	23	7
24	Nexomos	Ireland	11-50	22	5
25	Torque Partnership	Kilmeedy	11-50	22	3

Showing 25 of 344 digital transformation consulting firms based in Ireland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 2,963 reachable decision-makers.

Free account · no credit card

See all 344 companies

Digital transformation consulting firms based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 146 HQs

454Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

205

11-50

102

51-200

201-500

1,001-5,000

5,001-10,000

Digital transformation consulting firms by metro

Metro	Companies
Digital transformation consulting firms in Dublin	146
Digital transformation consulting firms in Cork	24
Digital transformation consulting firms in Ireland	8
Digital transformation consulting firms in Limerick	6
Digital transformation consulting firms in Blackrock	5
Digital transformation consulting firms in Galway	4
Digital transformation consulting firms in Sandyford	3

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 “digital transformation 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; 6 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 digital transformation consulting firms are there based in Ireland?

There are 344 digital transformation consulting 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 digital transformation consulting firms?

Dublin leads with 146 headquartered companies, followed by Cork (24) and Ireland (8).

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 2,963 verified decision-maker contacts tracked across these 344 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.

Ready to reach these companies? Verified emails and direct dials for all 344 digital transformation consulting firms based in Ireland. Start with a free account, no credit card.

Get the full list

Related lists

Digital transformation consulting firms by geography

Browse the directory

Browse: Companies home · All Ireland lists · All Digital transformation consulting firms lists · New lists

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.