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Tax Controversy & Litigation

Sophisticated Representation in U.S. Tax Court and Appeals

When negotiations stall, we provide the seasoned litigation power needed to challenge the IRS in court and win.

“Mr. DiLullo reduced my tax liability to below 10%.”

Josean Colina

Not every tax dispute can be settled at the auditor's desk. Our firm specializes in Tax Controversy & Litigation, representing clients in the U.S. Tax Court, District Courts, and administrative appeals.


We provide a Proven Track Record in handling Collection Due Process (CDP) hearings and formal protests. By combining deep legal research with forensic accounting, we build "trial-ready" cases that force the IRS to reconsider its position.


Our dual-qualified expertise allows us to present complex financial evidence in a way that is legally compelling, ensuring your voice is heard at every level of the judicial system.

Thomas F. DiLullo, Esq., CPA

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