Mackay, Caswell & Callahan, P.C New York Tax — Mackay, Caswell & Callahan, P.C operates from 10 E 39th St Suite 901, Manhattan, NY 10016 (Murray Hill). NYC Tax Attorney – Mackay, Caswell & Callahan, P.C.
About Mackay, Caswell & Callahan, P.C
Looking for a top NYC tax attorney? Call our Manhattan office at 212-281-6781. We are here to help with Audits, Offers in Compromise, Tax Liens and Levies.
Taxes are stressful in the best of times and Joseph M.
He’s a top NYC tax attorney and also admitted to practice in front of the U.S.
Tax Court NYS Courts and US District Court.
Centrally located in Manhattan between the
, Mackay Caswell & Callahan is also only a short walk away from
When it comes to federal and state taxes in
offers you the highest quality legal service and help in resolving your tax disputes and dealing with your serious tax matters.
Callahan is a name-partner at the law firm of Mackay, Caswell & Callahan and combines both a legal and accounting background with 40 years of experience in tax law.
This makes Joe one of the preeminent Manhattan tax attorneys and, indeed, New York State.
Joe regularly advises NYC clients about tax relief, helps them with tax planning, helps them deal with back tax issues and disputes, and ensures they’re properly represented when back tax matters require immediate tax resolution.
Joe works to resolve all Internal Revenue Service (IRS) or New York State Department of Taxation and Finance tax matters quickly and efficiently, and strives to help his clients get the results they need.
Whether you’re an individual with an offshore bank account, assets or investments, or a corporation with the same, Joe has the expertise to bring you into compliance with IRS and New York tax rules and regulations, helping protect your assets and your bottom line.
If you have offshore bank accounts, Joe can bring you into compliance with the IRS’s
(OVDP), will help you properly enter the OVDP and ensure you comply with its requirements and avoid potential criminal charges.
Defending you at both the state and federal levels
As a New York tax attorney admitted in the New York State and Connecticut courts, U.S.
Tax Court, Joe has the experience that counts.
But that’s just the beginning: Joe also has an intimate knowledge of the state and federal tax systems.
Joe began work as a State & Local Tax Consultant with Deloitte in Manhattan.
His 30+ years’ of experience helps him fully understand the different tax laws in play at each level of the tax system, and how they apply to you or your business.
For instance, did you know that the New York State Department of Taxation and Finance and the IRS approach tax collection differently?
Well, Joe does, and he’ll ensure you’re treated fairly and with respect by both, no matter what tax dispute you are facing.
Your New York City tax attorney: liaison between you and the tax agencies
Dealing directly with the tax agencies can be one of the most intimidating processes of your life.
on your side, you’ll no longer have to directly deal with them.
Joe acts as your liaison, buffering you from further direct contact with the IRS and state agencies whenever possible.
He does the talking, so you won’t have to.
With his Manhattan tax attorney experience and knowledge of the multiple tax agencies, Joe can navigate the system at all levels to help you deal with all types of tax disputes and situations, including:
Plan ahead with a Manhattan tax attorney to avoid disputes
Joe Callahan is not just well-versed in contesting, resolving, and dissolving tax disputes that have become an issue; he is also a top NYC tax attorney, with 40 years of tax experience advising his clients and helping them plan ahead so they can avoid problems in the future.
with New York City tax attorney Joe Callahan today!
He fully understood my issues and provided me with helpful information on how to proceed with my tax issue.
I am very appreciative of his time and expertise!
Thank you dearly for taking the time to go through in great detail options for our situation.
The office at 10 E 39th St Suite 901 is reachable via 6 at 33 St; 4/5/6 at Grand Central. Murray Hill sits in New York County; many clients compare Mackay, Caswell & Callahan, P.C with nearby providers before scheduling intake. Matters may involve NY County Supreme Court (60 Centre St) or NY County Civil Court (111 Centre St) — confirm filing venues during consultation.
Publication record 4206 matches New York 10016 NAP at 10 E 39th St Suite 901 for this Murray Hill listing.
Services and practice areas
- Tax planning for investments and estates
Who they serve
Mackay, Caswell & Callahan, P.C may accept clients from throughout Manhattan beyond ZIP 10016. Ask about virtual consultations when visiting 10 E 39th St Suite 901 in person is difficult.
Languages and accessibility
English materials reviewed for Mackay, Caswell & Callahan, P.C at 10 E 39th St Suite 901 (Murray Hill, ZIP 10016). Ask +1 212-281-6781 about interpreter support if needed.
Location and contact
- Address: 10 E 39th St Suite 901, New York, New York 10016, United States
- Phone: +1 212-281-6781
- Website: mcc4tax.com
Frequently asked questions
Where is Mackay, Caswell & Callahan, P.C located in Manhattan?
Directory NAP: 10 E 39th St Suite 901, Manhattan, NY 10016 (Murray Hill).
What tax services does Mackay, Caswell & Callahan, P.C provide?
Public materials for Mackay, Caswell & Callahan, P.C in Murray Hill describe tax attorney work: Looking for a top NYC tax attorney? We are here to help with Audits, Offers i. Confirm whether the firm handles IRS audits, state disputes, or preparation-only engagements before signing at 10 E 39th St Suite 901.
How can I corroborate Mackay, Caswell & Callahan, P.C’s licensing?
Call +1 212-281-6781 and confirm the address matches 10 E 39th St Suite 901 before wiring fees. Search the NYS attorney directory for Mackay, Caswell & Callahan, P.C’s bar status.
Related: New York legal directory listing
Last verified (desk review): July 2026 — NAP matched manifest; services and credentials corroborated from official and registry sources for Mackay, Caswell & Callahan, P.C.
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