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Advising Irish Business

OSK are recognised as one of Ireland’s leading audit and accounting firms providing quality and professional business advice to Irish businesses including SMEs, multi-national groups, government bodies and sole traders since 1985.

OSK offer expertise in audit and accounting services, business advisory, accountants for contractors, small business support, taxation, payroll, bookkeeping and management accounting. Contact OSK today to find out more about our professional accounting services.




Download or subscribe to the OSK ezine.

Guide to setting up a businesses in Ireland

Tax Summary Card 2024

Download the up to date tax details for 2024.

Budget Highlights 2024

Budget 2024 highlights and analysis.


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Please note we cannot provide advice unless you are signed up as a client having completed the required money laundering documents, engagement letter has been issued to you and fee agreed.