Company lists · Data refreshed September 2026

Top 13 Media sales companies based in Ireland

RevenueBase identified 27 media sales companies headquartered in Ireland as of September 2026 and tracks 255 professional contacts across them, including 122 with verified work emails. Dublin is the largest hub.

This list covers media sales companies headquartered in Ireland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
27Companies
255Contacts tracked
122Verified emails
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The 13 largest media sales companies based in Ireland

Ranked by team size
Top 13 of 27 media sales companies based in Ireland, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to media sales companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceDublin 2, IrelandHQ checked Sep 20, 202611-5048 contacts →

Partial evidence

“Zenith is an award winning full service media planning and buying agency.”

Source: RevenueBase Database · checked Sep 20, 2026
2Partial evidenceDublin 2, IrelandHQ checked Sep 20, 202611-5042 contacts →

Partial evidence

“Starcom is one of Ireland's leading media planning and buying specialists and is part of Core, Ireland’s largest marketing communications group.”

Source: RevenueBase Database · checked Sep 20, 2026
3Partial evidenceDublin 2, IrelandHQ checked Sep 20, 202611-5039 contacts →

Partial evidence

“Spark Foundry is a leading Irish owned media planning and buying agency.”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceBallsbridge, IrelandHQ checked Sep 20, 202611-5027 contacts →

Indirect evidence

“We are KICK.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceGalway, IrelandHQ checked Sep 20, 202611-5026 contacts →

Indirect evidence

“Welcome to the future of Advertising for SMEs Buymedia can support you in not only booking your advertising campaigns but in strategising where best to allocate your budget.”

Source: RevenueBase Database · checked Sep 20, 2026
6Partial evidenceLeixlip, IrelandHQ checked Sep 20, 20261-108 contacts →

Partial evidence

“Founded in 2009 Ad Vantage Media is an independent Irish advertising agency.”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceDublin, IrelandHQ checked Sep 20, 202611-504 contacts →

Indirect evidence

“Focus Advertising is a full service agency that has been running for over 25 years.”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceDundrum, IrelandHQ checked Sep 20, 202611-504 contacts →

Indirect evidence

“The Engine Room is an advertising agency for the savvy, cost conscious client.”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceDonnybrook, IrelandHQ checked Sep 20, 20261-104 contacts →

Indirect evidence

“When it comes to advertising, at Mindmap we know what will work for your brand.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceDublin 2, IrelandHQ checked Sep 20, 20261-103 contacts →

Indirect evidence

“TAM Ireland (Television Audience Measurement Ireland Ltd) oversees an accurate and effective audience measurement system for the whole of the television advertising industry in…”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceDublin, IrelandHQ checked Sep 20, 202611-502 contacts →

Indirect evidence

“Buy your Advertising Direct!”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceIrelandHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

“The perpetual demand agency.”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceDublin, IrelandHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

“We provide ‘unmissable visibility’ for your campaign by placing your business in front of potential customers”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 13 of 27 media sales companies based in Ireland

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Media sales companies based in Ireland at a glance

As of Sep 20, 2026
47.8%Verified-email coverage
9.4Average contacts per company
1-10Median size (employees)
33.3%Largest-city concentration · Dublin
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
16
11-50
10
51-200
1

Email recency for this list is measured worldwide rather than for Ireland, so it is reported there. Company counts and contact totals on this page are exact for Ireland, over 27 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among media sales companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Ireland whose own description of what they do matches “media sales companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names media sales companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among media sales companies, and records with no verified work email. Companies headquartered outside Ireland are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 122 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names media sales companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many media sales companies are there based in Ireland?

RevenueBase identified 27 media sales companies headquartered in Ireland as of September 2026, matched on each company's own description of what it does rather than its industry code.

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 media sales companies?

Dublin leads with 9 headquartered companies, followed by Donnybrook (2) and Ballinalee (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 122 verified decision-maker contacts tracked across these 27 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.