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Book-Keeping Service
We offer an efficient and professional book-keeping service that can provide your company with credibility & assurance…
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Accountancy Services
Accountancy services designed to give you peace of mind and allow you to spend more time running your business…
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Business Advisory
We provide all of our customers with first-class business advice based on 30 Years of experience…
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Pensions, Insurance & Investments
Our qualified and experienced accountants can provide assistance to help develop your goals and targets…
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Payroll Service
Payroll is an important part of today’s business. McMahon & Co offer a complete Payroll solution…
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Taxation
Taxation can be a complicated process. At McMahon & Co we can help you take control of your tax responsibilities…Made An Appointment? Need To VISIT US? Click The Link To See Our Location At CHURCH STREET, PORTADOWN. Use Our GOOGLE MAP To Find A Practical Route To Our Offices.
McMahon & Co is conveniently located just off Portadown town centre with easy access to and from all major routes including Armagh via A3, Dungannon & Belfast via M1 and Lurgan & Banbridge via A27 and A50 respectively. We offer free, convenient parking at the rear of our premises via Arthur Avenue.
our working process in 3 simple steps
Establishing a relationship with an accountancy service may seem a daunting task. At McMahon & Co we understand this as we've helped nurture many clients through the maze of financial responsibilities...

talk with us
We offer a free, no-obligation consultancy to discuss your business finance requirements and expectations.

work with us
We can develop a viable strategy for your business by assessing your finances and help develop your goals.

rely on us
You can be assured that while we look after your finances you'll be free to concentrate on your business.