Mackay, Caswell & Callahan, P.C. - Albany, NY office in Albany, New York

Mackay, Caswell & Callahan, P.C. - Albany, NY

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90 S Swan St, #103B, Albany, New York, United States
65 Years of Practicing, since 1961
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Free Consultation +1 518-626-9060

Elite Tax Controversy and Defense Attorneys in Albany, NY

When you are facing a dispute with the IRS or state tax authorities, the stakes are incredibly high. At Mackay, Caswell and Callahan, P.C., we provide the expert, strategic, and tenacious legal representation you need to navigate these daunting challenges. With a storied history dating back to 1961, our firm is exclusively dedicated to resolving complex tax controversies. We understand the intricate workings of government tax agencies because our team includes professionals with decades of experience, including certified public accountants. Our mission is to provide straight talk and effective solutions, confidentially guiding you through every administrative and judicial remedy available to protect your assets and your future. 🗽

Specialized Expertise in All Areas of Tax Law

Our firm's singular focus on tax law allows us to provide a level of skill and knowledge that is second to none. We handle all aspects of tax controversies with the IRS and New York State, providing a powerful defense for individuals and businesses alike. We are committed to achieving the best possible results as efficiently as possible.

  • IRS and State Tax Dispute Lawyers: We are experts in handling tax audits, appeals, and collection actions. We fight to protect your rights and minimize your liabilities at every stage of the process.
  • Tax Debt Relief Lawyers: We have a proven track record of successfully negotiating with tax authorities, including securing Offers in Compromise that settle tax debts for a fraction of the amount owed.
  • Criminal Tax Defense Lawyers: We provide a vigorous defense for clients facing serious allegations of tax evasion, tax fraud, and other criminal tax investigations.
  • Foreign Bank and Financial Account Lawyers: We help clients navigate the complex reporting requirements for offshore accounts, including the Offshore Voluntary Disclosure Program (OVDP), to ensure compliance and avoid severe penalties.
  • Tax Lawyers: Beyond disputes, we provide strategic tax planning for individuals and businesses to help them avoid future problems and protect their assets.

The MCC Advantage: Decades of Experience and Proven Results

What sets our firm apart is the deep experience of our team and our unwavering commitment to our clients. Led by Managing Attorney Joseph M. Callahan, a seasoned tax attorney with over 35 years of experience and a background as a Certified Public Accountant, we bring a powerful combination of legal and financial acumen to every case. We have a long history of achieving momentous relief for our clients, from negotiating significant debt reductions to successfully defending them in high-stakes audits. We offer a free initial consultation to help you understand your options without financial pressure. 🥇

A Legacy of Peer-Recognized Excellence

Our commitment to the highest standards of the legal profession is consistently recognized by our peers and the industry's most respected rating organizations. These honors reflect the skill, integrity, and professionalism that our attorneys bring to every matter.

  • ⭐ Martindale-Hubbell® AV Preeminent® Rating: The highest possible peer-review rating for legal ability and ethical standards.
  • 🏆 Avvo Clients' Choice Award: Awarded for a consistent record of outstanding client satisfaction.

Don't face the government alone. Contact Mackay, Caswell and Callahan, P.C. today to put our decades of specialized tax experience in your corner. 📈


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Location & Access

Primary Address

Located in the historic Center Square neighborhood of Albany, right near the State Capitol and Empire State Plaza.

Building Location

This newly renovated nine-story residential and commercial building, originally built as an office structure and converted in 2025, is situated close to the George Washington monument.

Parking Details

Convenient public parking is available in the underground Empire State Plaza P3-North Parking Garage (V Lot) and other nearby municipal garages.

Public Transit

Served by Capital District Transportation Authority (CDTA) Route 10 (Crossgates Mall to Downtown Albany); nearest stop is at Washington Ave & S. Swan St.

Accessibility / Suite Access

Enter the main secure lobby from South Swan Street and find the offices on the first floor in #103B.

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