Core Optimisation is one of Ireland’s leading digital growth, transformation and performance marketing agencies, headquartered in Shannon, Co. Clare. Founded in 2015 by Caroline Dunlea and David Brett, the company employs over 65 experts delivering strategy, media, data and AI-enabled marketing programmes for organisations across Ireland, the UK and international markets.

We deliver performance and growth marketing services including SEO, PPC, Paid Social, Digital PR, AI Consultancy and Data Analytics and Measurement for over 60 SME and Multinational clients across Retail, Hospitality, Events, B2B and Financial Services sectors.

We partner with SMEs and multinational brands to deliver measurable commercial impact through SEO, PPC, Paid Social, Digital PR, AI consultancy, programmatic, data analytics and measurement. Our clients span retail, tourism, tech, hospitality, events, B2B, financial services and public sector organisations.

The digital transformation wing of the business has developed a bespoke Digital Maturity Tool that is used in delivering major projects including the ongoing project management and coordination of the multi-million euro Digital that Delivers Programme for Failte Ireland a trailblazing project aimed at improving digital maturity and efficiency of the visitor experiences sector in Ireland.

In 2025, Core Optimisation expanded its international capabilities through the acquisition of Clearstory International, a global PR and reputation-building agency specialising in securing high-value media coverage for scaling companies worldwide. In the same year, the group launched Wheresight, a SaaS platform that partners with Destination and Tourism Organisations globally to measure, benchmark and impact the digital maturity of tourism businesses within their destination.

Core Optimisation is a long-standing Enterprise Ireland client company with extensive experience delivering projects funded through EI supports, including the Retail Online Scheme and the Digital Marketing Capability Grant.

We are a Google Premium Partner, Meta Marketing Partner, Digital Business Ireland Partner, winner of Large Agency of the Year at the Irish eCommerce Awards 2025, and a Deloitte Technology Fast 50 Ireland company for four consecutive years (2022–2025).

Why work with us

Core Optimisation combines strategic insight, hands on delivery and proven commercial outcomes to help Enterprise Ireland client companies scale faster and more effectively.

We understand the specific challenges facing Irish businesses expanding internationally, competing online, and building sustainable digital growth. Our team has deep experience delivering EI-funded projects, ensuring programmes align with grant objectives, reporting requirements and measurable outcomes.

What sets us apart is our end to end capability. We do not simply advise we design, implement and optimise growth strategies across channels, supported by advanced data, AI-enabled insights and performance measurement. Through our integrated group structure, clients can also access international PR and reputation building via Clearstory International and tourism sector digital maturity expertise via Wheresight.

Clients choose Core Optimisation because we deliver practical, commercially focused solutions, clear accountability for results, and long-term partnership support. Whether the goal is international market expansion, online revenue growth, brand visibility or digital transformation, we provide the strategy, execution and expertise needed to deliver measurable impact.