Oisin joined ECOVIS in September 2026.

He is a part-qualified Chartered Accountant (ACA), having completed the CAP2 examinations, and will sit the Final Admitting Examination, with the Audit elective, in 2027.

Before joining, Oisin spent two years in audit with a Big 4 firm, working with clients in the construction, pharmaceutical and technology sectors, and has experience of Irish GAAP and FRS 102. At ECOVIS he works on statutory accounts preparation, tax, and audit and assurance.

Outside of work, Oisin is a keen tennis player and enjoys film, live music and following the financial markets.