About us

Eamon O’ Sullivan

Eamon O’Sullivan ( Director ) graduated from UCG ( now NUI 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.

Eamon’s focus is on growing the firm and finding ways to apply technology to your accounts.

Hailing from Limerick, Eamon is interested in rugby and spends his weekends trying to improve his 5K time in his local ParkRun.

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Head of Marketing

Conor Monaghan is a Digital Marketer and English teacher who is endlessly curious about the world especially about Finance, Languages and Internet Marketing.

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