Specialised Services Focused on Business Requirements

John MacMahon & Co provides all the regular services associated with a chartered accountancy practice.  The firm has also developed specialisations in a number of services due to the practical focus on business requirements in the border regions.


Providing services to deal with the whole spectrum of accounting issues and help you step-by-step through the necessary auditing process to help improve and enhance your business activities.

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The firm delivers extensive expertise in all aspects of taxation, particularly in cross-border taxation issues and can provide consultancy and tax planning capability – normally not available outside the large city-centre practices.

  • Personal & Corporate Tax Service
  • ROI Tax & Cross-Border Services
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Our clients enjoy a personal, professional approach to service and we work closely with you to provide a consultancy service tailored to your individual business needs including each of the following

  • Business And Corporate Finance
  • Forensic Accounting
  • Grants
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