Skip to content

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

Contact us today to find out more about our professional accounting services.

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

The Financial Impact of Poor Handover Processes Inside Growing Teams

3rd June 2026

As Irish SMEs grow, team structures naturally become more complex. More staff are hired, responsibilities become specialised and work increasingly moves between departments or individuals. Tasks that were once handled by one person now involve multiple stages and multiple people.
Growth oft…

Why Some Businesses Grow Faster Than Their Financial Controls Can Handle

2nd June 2026

Growth is often viewed as one of the clearest indicators of business success. More customers, increasing turnover and expanding teams usually suggest that a company is moving in the right direction. For many Irish SMEs, growth is the objective. It represents progress, opportunity and mome…

Top 5 Questions Every Irish SME Owner Should Ask About Their Numbers in 2026

1st June 2026

Many Irish SME owners review their financial figures regularly. Revenue is checked, bank balances are monitored and year-end accounts are prepared. Yet despite having access to more information than ever, many businesses still struggle to turn financial data into better decision making.
The…

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

Invalid Email
Invalid Number