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Business types / Enterprise

Empowering enterprise growth through smart solutions

Accelerate your enterprise with a trusted partner that has over four decades of experience delivering revenue growth, cost savings, and scalable solutions. Fiserv has 1.4 billion accounts worldwide in 6 million merchant locations. Together, we help businesses build consistent revenue streams whilst delivering exceptional customer experiences.

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what we offer

Payment solutions to optimise your business operations and enhance customer transactions.

Reconciliation tools

We provide Market leading reporting, online reconciliation and data analytics, encompassing transaction-level data with Online Chargeback and Fraud tools, along with proactive engagement.

Market leading technology

We have constantly committed to and continually increase the value we deliver to our clients’ businesses - whether by direct investment in our processing platform, or through continual process improvement across all our operations.

Dynamic routing

Improve optimising authorisation responses, driving highest approval rates, managing operational costs and delivering the most optimum Interchange and Card Scheme Fee tiers.

Our numbers

Driving business growth
through reliable payment
solutions

45+ years

AIB Merchant Services has over four decades of experience in payment processing, offering innovative solutions tailored to client needs.

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50,000 +

AIB Merchant Services works with 50,000+ businesses, offering tailored payment solutions across sectors.

20+ countries

AIB Merchant Services operates in 20 countries, helping global and local businesses grow.

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Trademarks

© 2026 First Merchant Processing (Ireland) DAC trading as AIB Merchant Services, is regulated by the Central Bank of Ireland. All Rights Reserved. All trademarks, service marks, and trade names referenced in this material are the property of their respective owners. “AIB” and the AIB logo are the registered trademarks of Allied Irish Banks, p.l.c. and are used under license by First Merchant Processing (Ireland) DAC.

AIB Merchant Services is a registered business name of First Merchant Processing (Ireland) DAC, incorporated in Ireland under registration number 355871 and having its registered office at 10 Hanover Quay, Dublin Docklands, Dublin 2, D02 A3W8.

© 2026 First Merchant Processing (UK) Ltd, trading as AIB Merchant Services. All Rights Reserved. All trademarks, service marks, and trade names referenced in this material are the property of their respective owners. “AIB” and the AIB logo are the registered trademarks of Allied Irish Banks, p.l.c. and are used under license by First Merchant Processing (UK) Ltd.

AIB Merchant Services is a registered business name of First Merchant Processing (UK) Ltd, incorporated in the UK under registration number 13748155 and having its registered office at Janus House, Endeavour Drive, Basildon, Essex, SS14 3WF. First Merchant Processing (UK) Ltd is authorised and regulated by the Financial Conduct Authority as an Authorised Payment Institution under firm reference number 978310.

© The Clover trademark and logo are owned by Clover Network, Inc. a First Data company. All Rights Reserved. All trademarks, service marks, and trade names referenced in this material are the property of their respective owners.

Apple Pay is a trademark of Apple Inc.