McMahon & Tivnan, PC – Boston, MA

Premier Tax Controversy and Litigation Firm in Boston

McMahon & Tivnan, P.C. is a highly specialized boutique law firm in Boston, Massachusetts, exclusively dedicated to resolving complex tax disputes. Founded by former U.S. Department of Justice trial attorneys, our firm offers unparalleled experience and a formidable track record in representing a diverse clientele—including high-net-worth individuals, businesses, fiduciaries, and estates—before federal and state tax authorities. We understand that facing the IRS or the Massachusetts Department of Revenue can be an intimidating and disruptive experience. Our mission is to provide sophisticated, strategic, and vigorous advocacy to protect our clients’ financial interests and achieve the most favorable resolution possible. With a deep understanding of the inner workings of government tax agencies, we are uniquely positioned to navigate the intricacies of tax law and procedure on your behalf. 🏛️

Comprehensive Tax Dispute Resolution Services

Our practice is sharply focused on all stages of tax controversies, from initial audits to complex litigation in federal and state courts. We provide expert counsel and representation in a wide array of specialized areas.

• IRS Dispute Lawyers: We are seasoned litigators and negotiators, adept at handling IRS audits, administrative appeals, and collections. We work to resolve disputes efficiently and effectively, safeguarding your rights at every turn.
• Tax Lawyers: Our expertise covers the full spectrum of civil and criminal tax law. We provide strategic defense against allegations of tax evasion and fraud, and we guide clients through sensitive matters such as voluntary disclosures for offshore and domestic assets.
• Criminal Tax Defense: When facing a criminal tax investigation, you need an attorney with government experience. Our lawyers have the background and skill to mount a robust defense to protect your liberty and reputation.
• Employment Tax Controversies: We represent businesses in disputes involving worker classification (employee vs. independent contractor), trust fund recovery penalties, and other payroll tax issues.

Nationally Recognized Expertise

The attorneys at McMahon & Tivnan are leaders in the field of tax law, a fact recognized by our peers and leading legal publications. Our founding partners have been consistently honored for their exceptional work. These accolades include repeated listings in The Best Lawyers in America© for Tax Law and Tax Litigation, as well as being named Massachusetts Super Lawyers®. This peer-recognized excellence is a testament to our unwavering commitment to our clients and our deep knowledge of tax law. When you engage our firm, you are partnering with attorneys who are at the pinnacle of their profession and who have been on both sides of the aisle, offering a critical advantage in any tax dispute. 🏆

Your Strategic Advocates

At McMahon & Tivnan, we are more than just legal technicians; we are strategic problem-solvers. We understand the stress and high stakes involved in tax controversies. We are committed to providing responsive, client-focused service, ensuring you are informed and confident throughout the process. We meticulously analyze every detail of your case to develop a tailored strategy aimed at achieving your specific goals. Contact our office to schedule a consultation and learn how our experienced tax attorneys can help you navigate your dispute with the IRS or state tax authorities. 🤝