Company lists · Data verified August 2026

Top 25 Continuous improvement consulting firms based in Ireland

Name: Continuous improvement 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 148 companies tracked

There are 148 continuous improvement consulting firms headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 605 professional contacts across them, including 223 with verified work emails and 54 with mobile numbers. Dublin is the largest hub.

This list covers continuous improvement 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.

148Companies

605Contacts tracked

223Verified emails

54Mobile numbers

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The 25 largest continuous improvement consulting firms based in Ireland

Ranked by team size

Top 25 of 148 continuous improvement 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	4oc	Dublin	51-200	57	49
2	Leading Edge Group	n/a	11-50	42	21
3	Niras Ireland	Castlebar	1,001-5,000	30	13
4	Cozmotec	Swords	11-50	28	11
5	ISC Software Solutions LTD	n/a	11-50	27	11
6	Impact Engineering	Dublin	11-50	23	7
7	Impetus. Business Accelerated	Limerick	11-50	19	8
8	Clarion Consulting	Dublin	11-50	16	7
9	Pembroke Alliance	Carrickmacross	11-50	12	9
10	QSI LTD	Cork	1-10	11	4
11	Optien LTD	Killawillin Castlelyons	1-10	9	4
12	Team BDS	Belfast	11-50	8	6
13	Sterling Engineering LTD	Dublin	201-500	7	5
14	Pinta Consulting	Crosshaven	11-50	5	5
15	Analyze	n/a	1-10	4	3
16	Workpillar	Sandyford	201-500	4	2
17	Odyssey Consultants	Dublin	11-50	4	2
18	Tools For Better	Dublin	1-10	4	1
19	Expertivity Technologies	Dublin	11-50	3	3
20	Leed Strategy LTD	Gorey	1-10	3	2
21	Accelerate Consulting	Dublin	1-10	3	1
22	Caselden Consulting	Dublin	1-10	2	2
23	Redefine Consulting LTD	Dublin	1-10	2	1
24	Bambus Solutions LTD	Citywest Business Campus	1-10	2	1
25	Implement Partners	Dublin	11-50	1	1

Showing 25 of 148 continuous improvement consulting firms based in Ireland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 223 reachable decision-makers.

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Continuous improvement consulting firms based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 46 HQs

54Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

124

11-50

51-200

201-500

1,001-5,000

Continuous improvement consulting firms by metro

Metro	Companies
Continuous improvement consulting firms in Dublin	46
Continuous improvement consulting firms in Cork	10
Continuous improvement consulting firms in Galway	5
Continuous improvement consulting firms in Limerick	5
Continuous improvement consulting firms in Kildare	4
Continuous improvement consulting firms in Waterford	3
Continuous improvement 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 “continuous improvement 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 continuous improvement consulting firms are there based in Ireland?

There are 148 continuous improvement consulting firms headquartered in Ireland as of August 2026 (RevenueBase).

What is the largest company on this list?

4oc, headquartered in Dublin, tops this list with the largest team on record.

Which city has the most continuous improvement consulting firms?

Dublin leads with 46 headquartered companies, followed by Cork (10) and Galway (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 223 verified decision-maker contacts tracked across these 148 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.