Jennifer L. Koo, Esq.

Jennifer-Koo.jpgCourses: 2052

Partner of Sales Tax Defense LLC 

Jennifer Koo is an attorney and Partner at Sales Tax Defense LLC. The firm  specializes in multi-state sales, use, and transaction taxes. Jennifer has been with  the firm for 16 years. She presents legal expertise to clients ranging on the audit  level, to the administrative appeals level before different State taxing authorities,  to the Appellate Division in New York State courts. She also issues taxability and  sales tax policy advice and written guidance. 

Jennifer is admitted to practice law in New York, Connecticut, the Federal Court  for the Eastern District of New York, the United States Tax Court, and the United  States Supreme Court. 

She is a Mediator and Arbitrator in Nassau County Small Claims Court. 

An active member in the Nassau County Bar Association, she currently sits on the  Board of Directors, the Nassau Academy of Law Advisory Board, and serves as  Chair of the Asian American Attorney Section and Vice Chair of the Business Law,  Tax, and Accounting Committee. She previously served as Chair to the Association  Membership Committee, the Business Law, Tax, and Accounting Committee, the  Attorney Accountant Committee, the New Lawyers Committee and Vice Chair to  the Women in Law Committee. In addition, she led a team in creating a video and  a written book on the history of the Nassau County Bar Association, which can be  seen on the Bar Association’s website. 

Jennifer regularly writes articles on sales tax which have been published in the Nassau Lawyer and the newsletters issued by The National Conference of CPA Practitioners Nassau/Suffolk Chapter and the New York State Society of Certified  Public Accountants Nassau Chapter.