Indianapolis, IN (HQ)

David Seibel is a Principal for the R&D Tax Credit Practice. He combines his knowledge of tax law with his engineering expertise to maximize companies’ research credits and reduce their overall tax burdens.

Seibel ensures clients are receiving studies that meet the highest level of quality. He conducts fieldwork, produces detailed technical calculations, and builds narratives that accurately reflect each company’s research and experimentation activity. Seibel is an Enrolled Agent (EA), which enables him to represent clients in audit defense cases with the Internal Revenue Service.

Prior to joining McGuire Sponsel, Seibel worked with an industrial furnace company and an electro-mechanical company designing prototype power converters for coal haulers in the mining industry. He earned a degree in the mechanical engineering program at the University of Notre Dame.

David Seibel, McGuire Sponsel


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