De Filipps Williard J CPA

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317 W Prospect Ave
Mount Prospect, IL 60056

De Filipps Williard J CPA PC is a specialized tax advisory consulting firm based in Mount Prospect, Illinois, focusing on automobile dealership tax issues, Last-In First-Out (LIFO) inventory valuation, and representation before the IRS. Founded in 1978 by Willard J. De Filipps, the firm offers extensive consultation services and is known for its proprietary software, SuperLIFO, that assists in LIFO calculations for the automotive sector.

In addition to its consulting services, the firm is dedicated to professional education and resources, operating De Filipps University as a virtual resource center for CPAs and tax professionals. The University provides a curriculum of comprehensive seminars and technical publications addressing both general LIFO inventory matters and specific dealership tax issues.

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United StatesIllinoisMount ProspectDe Filipps Williard J CPA

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