Profile
Elite Boston Tax Attorneys for Complex IRS Disputes
Thorn Law Group is a premier national and international tax law firm with a strong presence in Boston. Our firm is comprised of highly skilled attorneys, many of whom are former IRS agents and U.S. Tax Court clerks. This invaluable insider experience gives us a distinct advantage in navigating the complexities of all tax law matters. Led by Managing Partner Kevin E. Thorn, we represent a diverse range of clients, including individuals, high-net-worth families, businesses, banks, and trusts, in their most sensitive and high-stakes civil and criminal tax law controversies. We are committed to providing aggressive, effective, and discrete representation to resolve our clients’ issues and protect their assets.
Our Specialized Tax Law Services
Our practice is exclusively focused on tax law, allowing us to provide the highest level of expertise. We have a proven track record of success in state, federal, and international tax matters.
- IRS Dispute Lawyers: We have an impressive record of success representing clients in IRS audits, examinations, appeals, and litigation before the U.S. Tax Court.
- International Tax and Offshore Account Lawyers: We are a leading authority on international tax law, including offshore bank account reporting (FBAR), FATCA compliance, and the IRS’s voluntary disclosure programs.
- Criminal Tax Defense Lawyers: Our firm provides a vigorous defense for clients facing criminal tax investigations, allegations of tax evasion, and other white-collar tax crimes.
- Business and Employment Tax Lawyers: We advise businesses on a wide range of tax issues, including payroll taxes, employment tax disputes, and compliance matters.
- Cryptocurrency Tax Lawyers: We are at the forefront of the emerging field of cryptocurrency tax law, helping clients navigate their tax and reporting obligations related to digital assets.
A Nationally Recognized Tax Law Firm
Our commitment to excellence and achieving favorable results for our clients is widely recognized. Thorn Law Group and its attorneys are consistently ranked among the nation’s best by prestigious legal directories, including Chambers USA, Best Lawyers in America®, and Super Lawyers. This recognition is a testament to our deep knowledge and our reputation for success.
Your Strategic Tax Law Advocates
🤝 When facing the IRS or any tax authority, you need an experienced and strategic advocate on your side. We understand the stress and complexity of these situations and are dedicated to finding the best possible resolution for you. Contact us to schedule a confidential consultation to discuss your case.
Specializing In
IRS Audits and Litigation, Offshore Bank Account Reporting (FBAR), FATCA Compliance, International Tax Law, Criminal Tax Defense, Business Tax Law, Cryptocurrency Tax Law, Tax Penalty Abatement
Address & Location
Located in the heart of Boston’s Financial District, immediately overlooking the scenic Norman B. Leventhal Park at Post Office Square.
Building Location
The office is situated in 10 Post Office Square, a landmark 14-story historic office building originally constructed in 1924 and beautifully modernized by Synergy in 2025. It stands adjacent to Post Office Square Park, with popular dining spots like Milk Street Cafe and Elephant & Castle nearby.
Suite Access
Enter through the newly redesigned building entrance of 10 Post Office Square. Walk through the main lobby, check in with the reception desk, and use the passenger elevators to access the 8th Floor.
Parking Details
Convenient underground parking is available directly across the street at The Garage at Post Office Square, which is a premier public parking facility; standard parking fees apply.
Public Transit
Served by Massachusetts Bay Transportation Authority Route 4 (Design Center); nearest stop is at Congress St @ Franklin St.
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