Law Office Of
Thomas M. Finnegan PLLC

Former Big Four Litigation and Investigations Leader.

Former Deputy Chief, Criminal Division, U.S. Attorney's Office for the Southern District of New York.

Trial Lawyer. CPA.

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Experienced Counsel for High-Stakes Litigation, Investigations, and Professional Risk

When your reputation, career, business, professional license or liberty is at stake, experience matters.

The Law Office of Thomas M. Finnegan PLLC represents individuals and businesses in complex civil litigation, white-collar criminal matters, regulatory investigations, professional liability disputes, and internal investigations.

In providing a relentless defense of his clients, Tom Finnegan brings more than three decades of experience in private practice, government service, and business leadership. Clients turn to him for strategic advice, vigorous advocacy, practical solutions, and direct personal attention from a senior lawyer who understands litigation and investigations from every side.

As a boutique practice, the firm offers the experience and sophistication expected in complex matters, together with the responsiveness, efficiency, and direct access clients need when the stakes are high.

Thomas M. Finnegan photo
Thomas M. Finnegan photo

Why Clients Choose Tom Finnegan

  • Experience From Every Side of the Table
  • Accomplished, Partner-Level Attention from Start to Finish
  • Big-Firm Experience, Boutique-Firm Efficiency

Former Federal Prosecutor

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As Deputy Chief of the Criminal Division of the U.S. Attorney’s Office for the Southern District of New York, Tom supervised and prosecuted significant federal criminal investigations and trials. He understands government investigations from the inside: how prosecutors evaluate evidence, credibility, cooperation, and risk.

Former Big Four Litigation and Investigations Leader

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At PwC, Tom created and led the firm’s global Litigation and Investigations Group, overseeing high-profile matters involving professional liability, securities enforcement, regulatory investigations, ethics, corruption, privacy, and other complex disputes.

Attorney and CPA

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Few lawyers bring experience as both a practicing trial attorney and CPA gained from leadership roles at the nation’s most respected U.S. Attorney’s Office, Big Four accounting firm, and corporate law firm. Combined with Tom’s accounting and business background, he is uniquely positioned to investigate and provide critical insight and effective defense in financial, regulatory, and professional liability matters.

Trial and Appellate Experience

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Tom has handled more than 20 trials in federal and state courts and argued 14 appeals before the U.S. Court of Appeals for the Second Circuit. He approaches every matter with a trial lawyer’s discipline and strategic focus.

Personal Attention

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Clients work directly with Tom, and their matters receive his personal attention throughout every stage of the engagement. When additional resources are needed, the firm can draw upon a trusted network of highly experienced attorneys and professionals.

Schedule a Confidential Consultation
(646) 922-3255   
tom@tfinneganlaw.com