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-massachusetts-extract.csv No state license number is on file. Specialties are blank until this preparer claims the listing. CPA Seek does not contact preparers.

Marshall I Karp

CPA · Marshall Karp, PC, Certified Public Acco

Holliston, Massachusetts 01746

Marshall I Karp, CPA in Holliston, MA

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Marshall I Karp, CPA in Holliston · CPA Seek