In the heart of Ireland’s National Technology Park, a facility operated by ACI Worldwide hums with activity, its servers forming a critical node in the continent’s financial nervous system. The Limerick data centre is more than a storage site; it is the engine powering the secure, real-time digital payments that underpin Europe’s digital economy, serving businesses from Dublin to Dubai.
MEP Tours Strategic Digital Infrastructure
This strategic role drew the attention of MEP Billy Kelleher, who visited the centre yesterday. As a full member of the European Parliament’s influential Committee on Economic and Monetary Affairs and its Subcommittee on Tax Matters, Kelleher has a keen interest in the digital economy’s infrastructure. He was hosted by ACI’s leadership team, including site leader Martina Power and the global head of AI & Data Science, Jimmy Hennessy.
Kelleher, a former Irish government minister and Renew Europe Group vice-president, noted the operation’s broader significance. “Ireland continues to play an important role as a hub for technology investment, supporting jobs and innovation across the region,” he said. He highlighted how “long-term investment, combined with skilled regional talent, contributes to the development of secure and reliable digital infrastructure.”
The Hub’s Core Function: Enabling Commerce
The Limerick centre’s primary purpose is to deliver the secure and reliable infrastructure required for real-time digital payments across Europe, the Middle East, and Africa. At its core is a sophisticated private cloud. This allows ACI’s customers—including some of Europe’s largest merchants, intermediaries, and Ireland’s two biggest banks—to access advanced payment software without the burden and cost of running their own on-site systems.
This model enables businesses to scale securely while benefiting from high-performance payment capabilities and guaranteed service levels. The facility directly supports mission-critical services like real-time electronic banking, card processing, and merchant acquiring. Every transaction depends on the centre’s robust architecture: it is built to high security standards with full system backup across power, network, and operations to ensure continuous uptime. Critically, it is designed to meet European data privacy requirements, with data handled within the region to help customers comply with EU regulations.
“Payments are the backbone of Europe’s digital economy, and from Limerick we power the secure, real‑time services that keep commerce moving,” explained Martina Power, Global Head of Professional Services at ACI. “Our European data centre has grown into a dynamic hub for banks and payment providers across the region, ensuring millions of everyday transactions happen safely and seamlessly.”
A Decade of Growth and Global Impact
The visit coincides with the site marking ten years since its opening in October 2016, an event that brought 50 new jobs to a Limerick operation that now forms a key part of ACI’s global network. The company’s presence in the region stretches back even further, initiated through an internship programme and collaboration with the University of Limerick.
This long-term commitment reflects Ireland’s status as a global data centre hub. For ACI Worldwide, the Limerick investment is part of a substantial worldwide operation. The company is a global leader in real-time payments, processing 320 billion card transactions annually and enabling real-time payments across more than 90 countries. It works with the world’s top 20 banks.
Its latest financial results underscore this scale, with the company reporting total revenue of $1.76 billion for 2025, a 10% year-on-year increase. The industry it serves is in rapid expansion: real-time payments accounted for 266.2 billion transactions globally in 2023, a growth of 42.2%, and are projected to make up over a quarter of all electronic transactions worldwide by 2028. Through its Limerick hub and global alliances with technology firms like Microsoft and Google, ACI is positioned at the centre of this financial transformation.
