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OSA McQuillan Your Local Dublin Accountants, Specialising in Startups and Companies

Accountants that support entrepreneurs and businesses achieve their ambitions through accountancy, tax and advisory services.

We are OSA McQuillan, a firm of Professional Accountants, we offer a range of accounting services to businesses. We have 30 years experience working with small and medium sized enterprises and business owners, and we are well placed to provide business advice on a wide range of areas from cash flow and debt management, tax planning, and profit improvement plans. In the delivery of our accounting services and in our regular meetings with business owners, we develop an in-depth awareness of the main drivers in your business.

accounting

All companies are required to prepare and file accounts in the Companies Registration Office ( CRO ). At OSA McQuillan Accountants Dublin, we take our duty to our client’s compliance needs very seriously. 

tax

Our tax experts review all areas of tax exposure for our clients. They make sure that your company does not fall foul of tax laws and will then come up with tax plans to reduce tax bills for companies, their owners and directors.

accounts

We can provide management accounts services to our clients. These services include monthly/quarterly accounts, key performance indicator reporting, working capital management, sourcing of finance and industry benchmarking and margin analysis.

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You can see a full list of what we can do for you if you have a look here

Accountancy Firm Dublin

Eamon O'Sullivan has a stress-free way of getting accounts done while still getting the advice across to help raise my profit.
Robert Dill, IT Consultant
Robert Dill
Director Robert Dill Computing
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What our clients say

OSA McQuillan Accountants and Business Advisers

We promise you will get your accounts back faster.

The benefit of dealing with OSA McQuillan Accountants is that you can rely on us respond to your phone calls and emails that day.

Many of our clients are with us for years, trusting us to take care of their accounting and tax needs.

We produced business accounts for our clients in 2022 on average within 28 days of getting the books and records.