At D.A. O'Sullivan & Co, we provide a comprehensive range of services to enable businesses both large and small comply with all legal obligations and can also provide practical advice to help your business and your personal circumstances too. Our specialist team provides a value added approach to the auditing process which can them make an independent assessment of client accounting systems, and controls.

Tradtional accounting and tax services have focused solely on historical information. At D.A. O'Sullivan & Co our focus is on the growth of your business and your financial postion going forward.

The office has over thirty years experience in dealing with the local financial institutions and tax office. We have experience in the management of large construction projects, special tax designated, the acquisition and selling of business and the dealing high level Revenue audits.