Company lists · Data verified August 2026

Top 17 Advertising agency staffing based in Ireland

Name: Advertising agency staffing based in Ireland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

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

There are 28 advertising agency staffing headquartered in Ireland (RevenueBase, August 2026). RevenueBase tracks 295 professional contacts across them, including 132 with verified work emails and 32 with mobile numbers. Dublin is the largest hub.

This list covers advertising agency staffing 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.

28Companies

295Contacts tracked

132Verified emails

32Mobile numbers

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The 17 largest advertising agency staffing based in Ireland

Ranked by team size

Top 17 of 28 advertising agency staffing 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	Zenith, Part Of Core	n/a	11-50	51	37
2	Starcom, Part Of Core	n/a	11-50	45	27
3	Alternatives	n/a	n/a	38	4
4	Buymedia	Dublin	11-50	28	15
5	Firstaff Personnel Consultants	Dublin	11-50	20	7
6	Lincoln Recruitment Specialists	n/a	11-50	19	10
7	Gilligan Black Recruitment	Dublin	11-50	12	5
8	AD Vantage Media	Leixlip Leixlip	1-10	8	5
9	Little & Large	Galway	1-10	7	4
10	Harper Finley Professional Recruitment	Cork	11-50	5	4
11	Focus Advertising IRL	Donnybrook	11-50	4	3
12	The Engine Room	Dundrum	11-50	4	3
13	Aspire Recruitment	Limerick	1-10	4	3
14	Mindmap Dublin	Donnybrook	1-10	4	1
15	Office Buddies	Dublin	1-10	2	2
16	Engage Communications Ireland	Dublin	11-50	2	1
17	Gaffney Mchugh Advertising	Dublin	1-10	1	1

Showing 17 of 28 advertising agency staffing based in Ireland

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Advertising agency staffing based in Ireland at a glance

As of Aug 28, 2026

1-10Median size (employees)

DublinLargest hub · 8 HQs

32Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Advertising agency staffing by metro

Metro	Companies
Advertising agency staffing in Dublin	8
Advertising agency staffing in Donnybrook	2
Advertising agency staffing in Longford	1
Advertising agency staffing in Cork City	1
Advertising agency staffing in Limerick	1
Advertising agency staffing in Leixlip Leixlip	1
Advertising agency staffing in Galway	1

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 “advertising agency staffing”, 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; 1 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 advertising agency staffing are there based in Ireland?

There are 28 advertising agency staffing headquartered in Ireland as of August 2026 (RevenueBase).

What is the largest company on this list?

Zenith, Part Of Core, headquartered in Ireland, tops this list with the largest team on record.

Which city has the most advertising agency staffing?

Dublin leads with 8 headquartered companies, followed by Donnybrook (2) and Longford (1).

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 132 verified decision-maker contacts tracked across these 28 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.