International Advertising
Billboard Advertising in Ireland
Billboard Advertising in Ireland
National Outdoor Campaigns Across the Republic of Ireland
Ireland is one of Europe's most commercially dynamic markets. With a population of 5.46 million people as of April 2025, a highly educated workforce, and an outsized concentration of global technology, pharmaceutical and financial services companies, Ireland punches well above its weight as an advertising market relative to its size.
The Republic's economy has expanded significantly over the past decade, driven by Ireland's position as the European headquarters of choice for many of the world's largest technology companies, including Google, Meta, Apple, Amazon and LinkedIn.
That concentration of corporate investment has created consumer markets in Dublin, Cork, Galway and Limerick that are younger, better-paid and more internationally minded than the population figures alone might suggest.
One Day Agency helps businesses advertise across Ireland through strategically planned billboard and out-of-home advertising campaigns.
Why billboard advertising in Ireland?
Ireland's out-of-home advertising market is one of the fastest growing in Europe, projected to reach US$122.5 million by 2029 at a compound annual growth rate of 4.4%. Recall rates for billboard campaigns in Ireland consistently outperform many digital formats, with well-executed out-of-home creative achieving recall rates of up to 82%, according to data from Outdoor Advertising Ireland.
Dublin is Ireland's primary advertising market, but significant commercial opportunity exists beyond the capital. Cork is Ireland's second city and a major centre for pharmaceutical and technology employment, with companies including Apple, Dell, Pfizer and Johnson & Johnson operating large facilities in the region. Galway is the country's third city and a hub for medical devices, technology and tourism, while Limerick has undergone sustained regeneration and is home to a growing technology and financial services cluster.
Tourist volumes add a further dimension to the Irish advertising market. Dublin Airport handled 33.3 million passengers in 2024 and a record 36.4 million in 2025, making it one of the busiest airports in Europe and a gateway that exposes brands to an audience that extends well beyond Ireland's resident population.
Why One Day Agency?
As specialists in outdoor advertising, we work with brands looking to reach audiences across Ireland through well-planned, strategically placed campaigns.
We begin by understanding your brand's objectives, target audience and geographic priorities, then use that insight to identify the right formats, locations and timing across the markets that matter most to your campaign. Whether that means a national network of roadside billboards, a concentrated burst of high-impact placements in Dublin's city centre, targeted formats across Cork and Galway, or transit advertising at Dublin Airport and on the Luas network, we plan and buy every element in-house.
With an experienced media planning and buying team and creatives who can support ad design across digital and physical formats, we provide end-to-end delivery alongside ongoing campaign monitoring and reporting.
Billboard Advertising Formats in Ireland
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👉 Who will you speak to?
At One Day, you speak directly with senior strategists and directors involved in the work, not account handlers or junior intermediaries. Expect straight advice from experts across Creative, OOH, Digital, and global media activation.
Shelby
Sailor
Scott
Klaudia
"Ireland is a market that agencies consistently underestimate. The population figure looks modest by European standards, but the concentration of global technology and financial services companies in Dublin has created a consumer audience that is young, internationally mobile and commercially engaged in a way that few cities of comparable size can match. For ambitious brands, the Irish market offers reach that goes well beyond the numbers."
Ricardo Seixas, Founder and CEO, One Day Agency
Full-funnel Advertising Agency
What our clients are saying…
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Frequently Asked Questions.
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Billboard advertising is available across Ireland's major cities and towns, including Dublin, Cork, Galway, Limerick and Waterford, as well as along the principal national routes connecting them. The most commercially active markets are Dublin city centre, the M50 corridor, Cork's city core and the approaches to major retail and transport hubs. We work with clients to identify the locations best suited to their target audience and campaign objectives across the Republic.
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Costs vary depending on format, location, duration and whether the campaign uses static or digital placements. We work with brands across a range of budgets to develop campaigns that deliver the right reach and frequency for their objectives. Contact the One Day Agency team to discuss your requirements and receive specific recommendations on formats, locations and pricing.
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Billboard advertising in Ireland: Dublin, Cork, Galway, Limerick and the rest of Ireland.