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Expert Tax Lawyers in Boston Representing Clients Worldwide

Our experienced Boston tax attorneys work with:

Businesses

Companies and business owners come to us when they are involved in an IRS investigation, examination or proceeding. Hire a trusted business tax attorney in Boston today!

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Individuals/Estates

Our Boston tax attorneys represent individuals with Internal Revenue Service (IRS) and state tax controversies including audits, collections, liens, seizures and offers in compromise.

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Voluntary Disclosure/Offshore Assets

We represent taxpayers to resolve their foreign asset and income reporting problems. We can help you with compliance, the Offshore Voluntary Disclosure Programs and FBAR.

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Contact McMahon & Tivnan today to inquire about representation from a skilled tax attorney in Boston! Our team offers extensive experience working with the IRS and resolving audits, appeals, litigation, and other matters involving tax disputes.

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Testimonials

McMahon & Tivnan helped me through a difficult income tax examination. Sean convinced IRS that no serious penalties should be assessed despite the numerous errors committed by the companies’ prior accountants.

Boston-area business owner

Sean convinced IRS Appeals to abate a penalty of over $500,000 for failure to declare an interest in a foreign trust. Prior to retaining McMahon & Tivnan, two large, national firms could not accomplish what they did.

Retired U.S. executive living in Europe