Company lists · Data verified August 2026

Top 25 Change management consulting firms based in Ireland

Name: Change management 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 238 companies tracked

There are 238 change management consulting firms headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 1,768 professional contacts across them, including 777 with verified work emails and 285 with mobile numbers. Dublin is the largest hub.

This list covers change management 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.

238Companies

1,768Contacts tracked

777Verified emails

285Mobile numbers

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The 25 largest change management consulting firms based in Ireland

Ranked by team size

Top 25 of 238 change management 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	Cennox	Dublin	1,001-5,000	607	400
2	Vision Consulting	n/a	n/a	202	37
3	4oc	Dublin	51-200	57	49
4	Saros Consulting	n/a	51-200	47	31
5	Auxilia Group	Dublin	501-1,000	44	15
6	Leading Edge Group	n/a	11-50	42	21
7	Harmonics	Dublin	11-50	42	10
8	Career Decisions	Newcastle West	11-50	30	7
9	Taylor Clarke	n/a	11-50	25	11
10	Changefolio	Dublin	11-50	22	13
11	Pinnacle Project Partners	n/a	11-50	20	16
12	Prism Leadership And Change Consulting	Dublin	1-10	20	14
13	Avencia Consulting	Dublin	11-50	19	13
14	Impetus. Business Accelerated	Limerick	11-50	19	8
15	Clarion Consulting	Dublin	11-50	16	7
16	Deci Limited	Ballysimon	51-200	15	4
17	Stratis Consulting LTD	n/a	51-200	11	8
18	Change International LTD	Ballsbridge	11-50	9	2
19	Sterling Engineering LTD	Dublin	201-500	7	5
20	Pinta Consulting	Crosshaven	11-50	5	5
21	Futurus	Castleconnell	1-10	5	3
22	Workpillar	Sandyford	201-500	4	2
23	Odyssey Consultants	Dublin	11-50	4	2
24	AWEN	Oranmore	1-10	4	1
25	Workmatters	Dublin	1-10	3	3

Showing 25 of 238 change management consulting firms based in Ireland

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Change management consulting firms based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 89 HQs

285Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

197

11-50

51-200

201-500

501-1,000

1,001-5,000

Change management consulting firms by metro

Metro	Companies
Change management consulting firms in Dublin	89
Change management consulting firms in Cork	16
Change management consulting firms in Limerick	5
Change management consulting firms in Blackrock	4
Change management consulting firms in Galway	4
Change management consulting firms in Sandyford	2
Change management consulting firms in Greystones	2

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 “change management 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; 4 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 change management consulting firms are there based in Ireland?

There are 238 change management consulting firms headquartered in Ireland as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most change management consulting firms?

Dublin leads with 89 headquartered companies, followed by Cork (16) and Limerick (5).

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 777 verified decision-maker contacts tracked across these 238 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.