Transforming your business from the ground up
At John MacMahon & Co Chartered Accountants, we pride ourselves on being a cross-border practice that has been providing expert accountancy and taxation services since 1982. With offices in Belfast, Newry, and Dundalk, our team of over 30 qualified staff is dedicated to delivering personalized and professional services to our clients across the Island of Ireland.
Our Services
We offer a comprehensive range of accountancy and taxation services to cater to the diverse needs of our clients. Our services include:
Accounting & Audit
Our team of experts provides comprehensive accounting and auditing services to help businesses navigate the complexities of financial reporting and compliance. We understand the importance of accurate financial records and timely reporting, and our team is dedicated to providing expert guidance and support to ensure that our clients' financial records are accurate and up-to-date.
Tax Planning & Compliance
Our tax planning and compliance services are designed to help businesses navigate the complexities of taxation, particularly in cross-border taxation issues. Our team of experts provides consultancy and tax planning capabilities that are normally not available outside of large city-center practices.
Business Advisory
Our business advisory services are tailored to meet the unique needs of each client. Our team works closely with clients to provide personalized consultancy services that help businesses grow and succeed. We take the time to understand the specific needs of each client and develop tailored solutions to address their unique challenges.
Cross Border Expertise
Our cross-border practice deals with tax and compliance regimes in the UK and ROI, catering to clients of all sizes, from local to global, with a specialism in family businesses and start-ups. We have deep industry expertise across all the main sectors on the Island of Ireland.
Why Work with Us?
At John MacMahon & Co Chartered Accountants, we are committed to providing personalized and professional services that are tailored to meet the unique needs of each client. With over 30 years of experience, we have developed a deep understanding of the complexities of accountancy and taxation, particularly in cross-border taxation issues. Our team is dedicated to providing expert guidance and support to help businesses grow and succeed.
Excellent Service and Professionalism
The majority of reviewers praised John MacMahon & Co. for their exceptional service, professionalism, and expertise in accounting matters. The team was commended for providing sound advice, guidance, and support to their clients, helping them to grow and succeed in their businesses.
Long-Term Relationships and Trust
Many reviewers highlighted their long-term relationships with the firm, with some clients having been with them for over a decade. This demonstrates the trust and confidence that clients have in John MacMahon & Co.'s ability to provide high-quality service and advice.
Highly Recommended
The reviewers were unanimous in their recommendation of John MacMahon & Co. to prospective business owners, citing their professionalism, knowledge, and expertise as key factors in their decision.
Negative Experience
However, one reviewer had a negative experience with the firm, citing issues with staff workload, poor communication, and problems with their accounts during a critical funding round.

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