Patrick Duffany
CPA, JD, Managing Partner - Tax

Patrick J. Duffany is the Managing Partner of CohnReznick’s tax practice. He has more than 25 years of public accounting experience, including 17 years as the lead state and local tax (SALT) professional for multinational and multistate companies while with a Big 4 firm. 

Patrick Duffany

Office | 203-915-0235

Hartford, CT

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Experience and credentials

Previously served as partner in charge of CohnReznick’s National Tax and State & Local Tax Services practices
Provides guidance and assistance with matters concerning various state and local taxes including income/franchise, sales and use, conveyance, property, and gross receipts taxes
Initiated and managed implementation of sophisticated and complex corporate restructurings and assisted with other transaction-related tasks including due diligence and post-merger integration issues
Significant experience representing clients before state tax authorities including audit, refund claims, voluntary disclosures, appeals, ruling requests, and petitions, and with respect to various issues and areas such as forced combination, unitary business, discretionary authority provisions, apportionment, and alternate apportionment methodologies
Frequent speaker and author on wide range of state tax topics
Regularly participates in working groups with the Connecticut Department of Revenue Services
Active member of the Marine Corps League


JD, Quinnipiac University School of Law
BBA, Accounting, Western Connecticut State University

Professional affiliations

Connecticut Society of Certified Public Accountants, State Tax Committee Chair and Past Chair (5 terms)
Connecticut Business and Industry Association, State Tax Committee Member
Nexia International, State and Local Tax Committee Member and Past Chair (5 terms)
Marine Corps League, Southington Connecticut Memorial Detachment

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