Core
VerifiedIreland's largest marketing communications company
About Core
Core is Ireland's largest marketing communications company, headquartered in Dublin. Operating under the brand onecore.ie, the group brings together capabilities across strategy, data, research, media, creative, sponsorship, and investment to serve major Irish and multinational brands. The agency operates as an independent, Irish-owned group and houses some of the world's leading media network brands in Ireland, including Starcom, Zenith, and Spark Foundry, alongside its own creative and data practices. Core is known for its research and audience insight capabilities, regularly publishing industry studies on Irish media consumption. Its scale and breadth make it the dominant independent marketing group in the Irish market.