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John W. Halloran CPA, P.C.
★ CPA★ MBA in Taxation★ B.S. in Accounting★ AICPA member★ NYSSCPA member 📍 Commack, NY
Visit website ↗ johnwhalloran.com
About
An established Long Island CPA firm focused on privately held businesses. Provides hands-on accounting, business-tax, readiness, transaction, and internal-control support for privately held companies, with no external financial-statement audits.
At a glance
Serves Commack, NY
✓ Licence verified — NY
registry, no. 058379 Built from the firm's public website · last checked Aug 2026 Work here? Claim this profile