Listed as a CPA in IRS public preparer records. Source: IRS PTIN FOIA extract (Feb 2026), retrieved October 23, 2026. https://www.irs.gov/pub/foia/foia-wisconsin-extract.csv No state license number is on file. Specialties are blank until this preparer claims the listing. CPA Seek does not contact preparers.

Robert Knapp

CPA · Robert D Knapp CPA SC, DBA RDK TAX & ACC

West Allis, Wisconsin 53227

Robert Knapp, CPA in West Allis, WI

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Robert Knapp, CPA in West Allis · CPA Seek