Eamon O'Sullivan

Tax and


Eamon is a principal of OSA McQuillan, a firm of Professional Accountants with over 25 years experience working with small and medium sized enterprises advising on accounting practices, systems and duties, taxation, management accounts and industry benchmarking.

Eamon graduated from National University Galway with a Bachelor of Commerce and qualified as an accountant in 1993. In 1995 he started his own practice called O’Sullivan Associates and renamed the company to OSA McQuillan in 2017.