Arnie has practiced public accounting since 1984. He’s a member of our Transaction Services group and the firmwide leader for M&A Tax Services. He works closely with private equity firms and public and privately held companies, advising them on tax structuring matters as well as financial and tax due diligence, and assisting them with closing M&A transactions. These include mergers, acquisitions, leveraged buyouts, minority investments, dispositions and spin-offs, debt restructurings including out-of-court workouts, bankruptcies, and similar proceedings. His experience spans a wide range of industries including technology, consumer and industrial products (manufacturing, distribution, and retail), professional and business services, agriculture, and hospitality.

Arnie has over 30 years of transaction experience. Prior to joining Moss Adams, he worked in Atlanta, New York, London, San Francisco, and Los Angeles at Big Four and regional firms. Since 1990, he has served both preeminent and middle market-focused private equity firms. While in London, he advised private equity and corporate clients on cross-border tax aspects of M&A transactions.

Arnie actively serves on the board and is a finance committee member for the Boys & Girls Clubs of San Francisco. He helped the organization implement a New Markets Tax Credit financing structure in connection with the renovation and construction of their clubhouses.

Professional Affiliations

  • Member, American Institute of Certified Public Accountants
  • Member, California Society of Certified Public Accountants

Community Involvement

  • Board Member, Boys & Girls Clubs of San Francisco


  • BBA, accounting, Georgia State University

Insights from Arnie McClellan