Industry Expertise

Practice Focus


Harry has practiced public accounting since 1997, serving large and mid-sized corporate and private-equity clients in mergers, acquisitions, and dispositions.

As a managing director in transaction services, Harry serves clients in a broad range of industries—including hospitality, agriculture, manufacturing and distribution, energy, retail and consumer products, telecommunications, media and entertainment, technology, and pharmaceutical and biotech.

Harry typically focuses on acquisitions and divestitures, including tax due diligence, tax structuring, analyzing the tax assumptions in a client’s transaction model, and reviewing the tax aspects of relevant transaction documents—such as sale and purchase agreements. He also advises clients on reorganizations, operational initiatives, and other corporate led projects.

Before coming to Moss Adams, Harry practiced at the Big Four firms as well as middle-market public accounting firms.

Professional Affiliations

  • Member, American Institute of Certified Public Accountants
  • Member, Texas Society of Certified Public Accountants
  • Member, Virginia Society of Certified Public Accountants


  • BBA, accounting, University of Texas at Austin
  • MAcc, University of Texas at Austin

Insights from Harry Costin