Company lists · Data verified August 2026

Top 25 List building services based in Ireland

Name: List building services based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 187 companies tracked

There are 187 list building services headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 2,005 professional contacts across them, including 877 with verified work emails and 104 with mobile numbers. Dublin is the largest hub.

This list covers list building services 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.

187Companies

2,005Contacts tracked

877Verified emails

104Mobile numbers

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The 25 largest list building services based in Ireland

Ranked by team size

Top 25 of 187 list building services 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	Reddy Architecture Urbanism	Galway	51-200	246	186
2	Elliott Group	Cavan	201-500	240	114
	RevenueBasePublisher of this directory	Boston, MA	n/a	n/a	Try free
3	Kilcawley Construction	Maynooth	51-200	56	40
4	Monami Construction	n/a	51-200	53	33
5	mac-group.com	n/a	51-200	48	28
6	Mcelroy Associates	Dublin	11-50	45	36
7	Mccauley Daye O'connell Architects	Dublin	11-50	45	35
8	Bretland	n/a	51-200	44	18
9	Vardis Group	Dublin	11-50	33	15
10	Fewer Harrington & Partners	Waterford	11-50	32	22
11	Carey Building Contractors	n/a	51-200	32	21
12	CDP Architecture	Lucan Co	11-50	30	23
13	Conneally Group	Dublin	51-200	25	13
14	Andrews Construction LTD	Mullingar	11-50	23	6
15	Healy Partners Architects	Limerick	11-50	22	15
16	JSA Architects Ireland	Blackrock	11-50	20	12
17	Denis Williams Design Services	Dundalk	11-50	17	12
18	Demesne Architects	Maynooth	11-50	16	13
19	Principal Construction Limited	Dublin	11-50	15	5
20	Globoserv	Kinnegad	11-50	14	3
21	Sigma Homes	Douglas	11-50	13	7
22	Carnehill Contracting Limited	Naas	51-200	13	2
23	P.B.C. Builders LTD	Limerick	51-200	12	7
24	Custy Construction LTD	Ennis	11-50	12	7
25	Kesel Construction Limited	Claregalway	11-50	12	3

Showing 25 of 187 list building services based in Ireland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 877 reachable decision-makers.

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List building services based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 33 HQs

104Contacts with mobile numbers

8Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

List building services by metro

Metro	Companies
List building services in Dublin	33
List building services in Limerick	6
List building services in Cork	5
List building services in Dublin City	5
List building services in Blackrock	4
List building services in Tralee	3
List building services in Wexford	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 “list building services”, 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; 8 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 list building services are there based in Ireland?

There are 187 list building services headquartered in Ireland as of August 2026 (RevenueBase).

What is the largest company on this list?

Reddy Architecture Urbanism, headquartered in Galway, tops this list with the largest team on record.

Which city has the most list building services?

Dublin leads with 33 headquartered companies, followed by Limerick (6) and Cork (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 877 verified decision-maker contacts tracked across these 187 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.