Professional Headshot of Peter Pentland

Peter Pentland

Partner

Executive Summary

Peter is an Accounting Methods Partner serving companies across many industries and geographies for a wide range of tax accounting methods. Whether uncovering emerging issues brought on by new regulations or law changes, examining the effects of financial statement pronouncements, responding to the evolving business environment, or addressing the regular and ongoing needs of companies, he advises clients in navigating their tax accounting methods for opportunities, risks, and best practices.

Peter’s subject matter expertise spans inventory methods and valuations, including UNICAP and LIFO; interest capitalization; long-term contract accounting; income and expense recognition, including the revenue recognition cost offset; lease accounting; capitalization, amortization and depreciation; accounting methods in M&A transactions and tax due diligence; and changes in methods of accounting. He is experienced in IRS exam defense in matters involving accounting methods, with extensive experience practicing before the IRS field exam (including LB&I and SB/SE) and the Office of Chief Counsel. He frequently serves as a seasoned instructor and presenter to both internal and external audiences.

Prior to BDO, he served in RSM’s Washington National Tax practice where he helped develop and lead the Tax Inventory practice, advised clients, and supported the broader tax practice as a resource on the Accounting Methods and Periods team.

  • American Institute of Certified Public Accountants


  • M.S., DePaul University
  • B.A., University of Iowa Tippie College of Business