Business Advisors for Setting Up and Growing in Ireland & Europe
Starting up a business in Ireland?
Looking for a reliable, expert, professional service that will get you set up and running smoothly?
Click to see our Services & Packages for Startups
"Michael and his team at O’Mahony Donnelly always go beyond what is expected and provide fast, honest, and superb services with the highest standards. Their expert knowledge of tax and auditing is very helpful when trying to navigate the tax and corporate laws of Ireland." Allen Peterson, President and Chief Operating Officer of Aasonn
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Looking to increase your profits? Find new revenue streams? Cut out waste?
Click to see how we can help you Grow Your Business
The go-to accountancy and business advisory firm for small to medium sized companies looking for a long term relationship with an advisor and consultant to provide strategic planning and services to set up in Ireland and grow in Europe. Click to read more about Our Mission and Our Vision
"O’Mahony Donnelly is truly a firm that embodies the idea of a local firm with global expertise. We are honored to have them as a part of our membership. Adélaïde Ness, Executive Director of Enterprise Worldwide
Click to read more about our International Business Services
"O’Mahony Donnelly has been awarded ACCA Quality Checked status for demonstrating high standards in all aspect of their business, following a rigorous inspection by ACCA officials."
Click to read about the ACCA Quality Checked Award