Charles Parr

T. Charles Parr, III, CPA

T. Charles Parr, III, CPA


Charles Parr, III, CPA, is a partner of abip, P.C. with over 40 years of diversified tax experience working with privately held and public companies. Charles joined abip after merging his practice, San Antonio-based Parr & Associates, into abip in December 2020.

Professional Background

Charles has extensive experience with merger and acquisition representation, including buyer and seller negotiations, assistance coordinating with other representatives, due diligence review, feasibility studies financing, and tax consultation. He also provides litigation support and IRS representation, as well as compliance and information reporting of U.S.-based multinational companies and non-U.S. multinational companies operating within the U.S. He previously served in the IRS’s Practitioner Liaison Committee as its Chairman.


He is a member of the American Institute of CPAs (AICPA), having served on numerous committees throughout his career. He is also a member of the Texas Society of CPAs (TSCPA) and serves on the planning committee of the University of Texas School of Law’s Annual Taxation Conference. Charles is also a Ruling Elder at the Alamo Heights Presbyterian Church and serves as a member on the Planned Giving Council for the University of the Incarnate Word. He serves on the Internal Revenue Service Advisory Council (IRSAC).