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Our dedicated and experienced team can provide you with a complete package of essential accountancy services from regular management accounts to annual statutory accounts.

Accounting & Bookkeeping

For most companies, having an audit means someone coming in and preparing a set of accounts they don’t fully understand. A necessary evil that just has to be endured. We believe that it doesn’t have to be this way.

Audit

We have been advising families, individuals and their businesses on their taxation compliance and planning needs for the past 35 years. Our aim is to manage your taxation responsibilities in the most efficient manner possible so that you can spend more time concentrating on your business and personal affairs.

Tax Planning

Welcome to Lillis Egan O Beirn & Co.

Lillis Egan O Beirn & Co are one of the leading audit and accounting firms that provide quality and professional business advice to Irish businesses and individuals since 1984. All our services are backed by a wealth of knowledge and experience that is possessed by our team of qualified accountants, tax consultants, business and financial advisors.

We offer a comprehensive range of services to ensure our clients’ objectives are achieved. With expertise ranging from all aspects of Accounting and Tax Law, we are equipped to advise on a broad spectrum of business and financial transactions.

Our Services

Accounting

No matter how large or small your business, we understand that your time is precious and therefore letting us prepare your accounts will relieve you of what can be a stressful and time consuming exercise, leaving you free to do what you do best; running your business!

Audit

For most companies, having an audit means someone coming in and preparing a set of accounts they do not fully understand. A necessary evil that must be endured. We believe that it does not have to be this way.

Company Secretarial Services

The rules and regulations surrounding the preparation and filing of documents including Annual Returns with the Companies Registration Office (CRO) have become more complex. The penalty of getting this wrong, both monetary and the loss of audit exemption is now even more costly than ever.

Taxation

We have been advising families, individuals and their businesses on their tax compliance and planning needs for the past 35 years. Our aim is to manage your tax responsibilities in the most efficient manner possible so that you can spend more time concentrating on your business and personal affairs.

Business News

Energy Upgrades and Solar Panels: The Tax Reliefs and Supports Available to Irish Businesses

20th October 2026

We here at Lillis Egan O’Beirn & Co know that energy costs have become one of the most significant overheads for many Irish businesses. Whether you run a shop, a hotel, a factory, a farm or an office, rising electricity and heating bills can quietly erode your margins. Investing in energy upgrades a…

Adopting AI in Your Business: Top 5 Financial Questions Irish SMEs Should Ask First

19th October 2026

At Lillis Egan O’Beirn & Co we believe that artificial intelligence offers Irish SMEs a genuine opportunity to work smarter, save time and compete more effectively. From drafting documents and answering customer queries to analysing data and automating routine admin, AI tools are becoming more acces…

Made a Tax Mistake? How Revenue’s Disclosure Rules Can Help Reduce Penalties

16th October 2026

We here at Lillis Egan O’Beirn & Co know that even the most conscientious business owners can make mistakes with their tax affairs. A VAT rate applied incorrectly, an expense claimed in error, income left off a return or a payroll calculation that went wrong can all happen in a busy business. Discov…

Arrange a free consultation

You can receive a free initial consultation which will be without obligation. If you already have an accountant the changeover is very simple and we take care of it for you. Please either contact us directly or complete and submit the form below