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Mackay, Caswell & Callahan, P.C.

Mackay, Caswell & Callahan, P.C. - East Syracuse, NY

Tax Law Lawyers in East Syracuse, NY

6739 Myers Road East Syracuse, NY 13057

East Syracuse Tax Law Firm

Updated: 02/27/2026

Areas of Practice

  • Tax Law

Firm Information

Overview

In Syracuse, New York, Mackay, Caswell & Callahan, P.C., provides eminent legal services to both businesses and individuals in relation to tax law, and business and corporate law. Our legal team has handled myriad tax law matters, many of which have been complex and time-consuming, such as criminal tax investigations, audits, tax fraud, tax evasion, offers in compromise, foreign bank and financial accounts disclosures, voluntary disclosures and many more.

In our line of work, we understand how frustrating and intimidating the Internal Revenue Service and other state tax agencies can be when an individual or business is singled out for inconsistencies in their tax matters. We help our clients clean their slate, and in the past, we have brought in momentous relief, from getting the New York State Department of Taxation to agree to full payment of less than 13% of a $400,000 tax debt to successfully negotiating with the IRS a payment of $44,000 from $437,000 with an offer in compromise.

Joseph M. Callahan, Esq., the managing attorney of our firm, is highly knowledgeable in his advocacy and persistent in getting a better deal for his clients. His 35-plus years of experience come into the fray with his unbreakable work ethic and meticulous research and information-gathering, combined with his astute process of finding loopholes and technicalities that can be used in his clients’ favor.

For his tireless contributions, Mr. Callahan has been peer-review rated AV Preeminent* through Martindale-Hubbell and holds a “Very Good” rating on Avvo, along with receiving the organization’s Client’s Choice Award. He completed both his bachelor’s degree and master’s degree from Syracuse University and later received his Juris Doctor from the Syracuse University College of Law. In addition, he is also a certified public accountant.

When it comes to tax law and business matters, Mackay, Caswell & Callahan, P.C., has the resources and the talented manpower to help overcome these complicated issues and move on to greener pastures. Contact us today to find out what we can do for you, and if you cannot physically reach our office, we can set up a virtual consultation for you. Furthermore, we also have an office in New York City, New York, for your convenience.

*AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer-review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Ratings™ fall into two categories – legal ability and general ethical standards.


Languages

  • English

Reviews

Customer Reviews for Mackay, Caswell & Callahan, P.C.

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  • By Anonymous on Oct. 11, 2023
    Consulted Law firm 2023
    Recommends this Law firm
    I called about back taxes. Joe Callahan answered every one of my questions without hesitation. I learned a lot and feel 1000 times better. Thank you mr Calahan. ❤️

Attorneys

Joseph M. Callahan Esq.

Managing Partner

(2)
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Joseph M. Callahan Esq.

Managing Partner

(2)
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Contact

Google Map

East Syracuse, NY

6739 Myers Road
East Syracuse, NY 13057

Directions

Phone: 646-749-9642

Email: Send a message

Appointments:Weekday

  • Credit Cards Accepted
  • Free Consultations

Additional New York Locations

New York, NY  (Main Office, 193.8 miles)

10 East 39th Street
Suite 901
New York, NY 10016

Directions

Phone: 646-749-9642

Email: Send a message

Websites:

Hours: 8:00 am - 6:00 pm, M-F; Appointments: Weekday

  • Credit Cards Accepted
  • Free Consultations
  • Virtual Appointments

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