WELCOME TO A D V MANNION & CO LTD We serve owner managed businesses and individuals. We provide accounting, tax, audit, Forensic Investigation, Outsourced Accounts, payroll and financial management, personal and corporate insolvency services. Based in Galway, we work throughout Ireland.As your business grows your bookkeeping and accounting requirements grow with it. We use your bookkeeping records to prepare your year end accounts which forms the basis for your Self-Assessment tax return.We work with individuals and businesses on their tax returns. We give you a fixed, competitive price. We take the stress out of filing tax returns, allowing you to concentrate on running your business.