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Welcome to
Joan O'Sullivan & Co

We have developed a reputation for providing a quality service, which
is evident by the fact that a number of our clients have been with
the firm for a number years and new clients are continuously referred to us.

Why Choose Us?

Quality Service
and Experience

Experience

Joan O'Sullivan & Co. was established in 2010, before this Joan worked for many years with different accounting firms across the country

Professional Team

Our staff comprise qualified accountants and accounting technicians. We offer a wide range of services for our clients

Expert Advice

We advise a broad range of corporate and private clients. Using our vast skills and knowledge, we will provide you with the best advice.

Friendly Approach

We work with all our clients to find and advise the best solutions. A member of our team will alway be available for your questions.

Corporation Tax Deadline: What December Year-End Companies Owe by 23 November

At Joan O Sullivan and Co we believe the preliminary tax deadline catches out more companies than it should, not because the rules are complicated, ...
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Relevant Contracts Tax: Top 5 Compliance Points for Irish Construction Businesses

We here at Joan O Sullivan and Co know that Relevant Contracts Tax is one of the most important, and most demanding, compliance areas for ...
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