Joseph counsels clients on a wide range of state and local taxation issues and represents taxpayers in disputes with the New York State Department of Taxation and Finance and the New York City Department of Finance. His practice focuses on personal income tax and residency matters and sales and uses tax issues focusing on the technology industry (software as a service, cloud computing, digital products, etc.). Finally, He counsels clients on their abandoned property obligations. He is the Abandoned Property Audits Practice leader and has represented large corporations in complex compliance matters such as multi-state abandoned property audits and voluntary disclosures.