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Tom Bonifield


Transaction Tax


Tom leads DMA’s Accrual Analysis Service, part of our Tax Managed Services, and is responsible for delivering timely and accurate results for clients throughout the US. He reviews client month-end expenses for use tax accruals to ensure taxes are paid accurately and to identify refund opportunities. Tom is DMA’s in-house power user of TaxARC, our data warehouse and tax analytics software solution, and assists clients who subscribe to TaxARC as a monthly professional service. Additionally, he assists with recovery and audit defense projects,
tax audit reviews, and other state and local tax consulting services.



20+ years in sales & use tax; 1 year with DMA


  • Successfully defended hundreds of sales & use tax audits across the United States and Canada
  • Effectively manages and navigates large data sets to identify risks, opportunities, and trends
  • Extensive experience automating processes within Excel and Power Query to improve efficiency
    and accuracy for tax compliance and tax audit support
  • Assisted with the development of an Alteryx workflow to review use tax accruals
  • Developed complex financial models to support budgeting and decision-making
  • Experience working with Canada HST/GST and filing European VAT, Intrastat, and ECSL
  • Former Tax Manager and Audit Manager for a Fortune 500 company
  • Former Tax Manager for a utility company

California | Illinois | Indiana | Kentucky | New York | Ohio | Pennsylvania | Texas | Puerto Rico | Canada | Europe



Energy & Utilities| Manufacturing | Retail | Wholesale



TaxARC| MS Power Query | Sovos® | Vertex® | Alteryx®



  • BA in Business Administration – Cedarville University
  • MBA in Finance – University of Cincinnati
  • Continually attends seminars that examine the latest changes in state and local taxation