What do our clients say about us?

“We are delighted with the service provided by McMahon & Co. A truly professional approach at all times.”

Francis Armstrong // County Tyrone

“A big thank you to all at McMahon & Co for providing us with financial accountancy services for the last ten years.”

Anne McConville // County Antrim

“As a long-time client we look forward to a successful and encouraging future knowing we are in good hands with the staff of McMahon & Co Portadown. Excellent PayRoll provision and book-keeping services”

Patrick Girvan | NIAM LTD

“We have no hesitation in recommending McMahon & Co for financial advice and accountancy provision. Knowledgeable & efficient staff. Fast & friendly service.”

Martin Thorne | ARVA GROUP


Let’s get started

We appreciate that your time is valuable and so our range of Accountancy services are there to help you keep track of finances and keep everything in order!


We offer a full complement of services designed to deal with your financial needs and add value to your business.

McMahon Accountancy

109 Church Street, Portadown
County Armagh BT62 3DB


(028) 3833 7101

McMahon & Co

© 2022 McMahon & Co Accountancy