Who We Are?
What Makes Us Unique....

About John MacMahon & Co.

John MacMahon & Co. Chartered Accountants is a cross-border practice which was established in 1982. Today we have offices in Dundalk and Newry and employ over 30 qualified staff to service clients on an all-Ireland basis.  John MacMahon & Co is a service-orientated firm with a strong client base in South Down, South Armagh, North Louth and Monaghan offering particular expertise in cross-border tax issues. We are committed to providing a service uniquely tailored to your business’ needs – developing and advising on an individual basis.

Our practice provides a range of accountancy services, incorporating specialist taxation services, to a broad client base which includes the construction, transport, agriculture, leisure, retail and food service sectors.

John MacMahon & Co. has extensive experience in nurturing small to medium sized family-owned businesses and is committed to developing and advising on the growth of each business on an individual basis.