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Business Details
11 Years
experience
Trusted Austin Business & Tax Law Attorney
The John McDuff, Attorney At Law is a solutions-oriented legal practice dedicated to resolving complex business and tax issues in Austin, Texas. With over two decades of specialized experience in business and tax law, John McDuff provides personalized legal representation to individuals and businesses facing high-stakes challenges. His background as a Certified Public Accountant and service in the U.S. Navy Submarine Service informs his practical approach to legal problem-solving. The firm's sole practitioner handles every case personally, ensuring clients receive undivided attention and direct communication throughout their legal matters. McDuff's expertise spans business transactions, tax litigation, and tax collection disputes, with a track record of successfully managing cases involving millions of dollars.

The firm maintains an AV Preeminent peer review rating from Martindale-Hubbell, reflecting exceptional legal knowledge and ethical standards. Clients benefit from McDuff's deep understanding of both legal and financial complexities, supported by a seasoned legal assistant with extensive business and technology experience. The practice emphasizes efficiency, transparency, and direct attorney-client collaboration without delegation to junior staff. McDuff's career includes serving as an expert witness in estate, corporate, and tax law matters, with notable successes in high-value litigation. The firm remains committed to providing accessible, high-quality legal representation while maintaining the highest standards of professional conduct.
Services
Business Transactions Tax Litigation Tax Collection Tax Appeals IRS Installment Plans
Served areas
  • Austin Metropolitan Area
Details
  • Year established: 2015
Highlights and features
  • 20+ years of exclusive focus on business and tax law
  • Direct attorney-client collaboration with no delegation
  • AV Preeminent-rated legal professional
  • Former Certified Public Accountant with financial expertise
  • Proven success in high-value tax and business litigation
Associations and certifications
  • Martindale-Hubbell AV Preeminent
What people say
Highly recommend for IRS issues Best decision I could make Expertise in complex tax matters Personalized legal approach Proven track record
Services
Business Transactions
We structure and execute complex business transactions including mergers, acquisitions, and international deals. Our legal expertise ensures smooth contract negotiations and compliance with regulatory requirements. Clients benefit from our proven track record in high-value transactions worth tens of millions of dollars.
Tax Litigation
We represent clients in tax controversies before the IRS and tax courts. Our practice includes defending against tax assessments and resolving disputes involving millions of dollars. Our attorney's dual legal and accounting expertise provides strategic advantages in complex tax litigation matters.
Tax Collection
We negotiate tax debt settlements and collection alternatives with the IRS. Services include offers in compromise, installment agreements, and currently not collectible status. Our approach minimizes penalties while protecting client assets during tax enforcement actions.
People
John McDuff
Attorney at Law
AV Preeminent-rated attorney with 20+ years of business and tax law experience. Former CPA and Navy Submarine Officer. Handles all cases personally with no delegation to junior staff.
Lynne Rathman
Legal Assistant
Supports clients with business and technology expertise. Former high-tech industry professional with estate management experience. Provides technical proficiency for complex case management.
Questions
What areas of law do you specialize in?
We focus exclusively on business law and tax law matters, including transactions, litigation, and IRS disputes.
How many years of experience do you have?
Our attorney has over 20 years of specialized experience in business and tax law practice.
Will my case be handled personally?
Yes, every case is handled directly by our attorney without delegation to associates or paralegals.
What geographic areas do you serve?
We serve clients in Austin, Travis County, Central Texas, and other states as needed.
Can you handle complex tax disputes?
Yes, we have experience with high-stakes tax litigation involving millions of dollars and complex regulatory issues.
How do I schedule a consultation?
Contact us at 512-457-1177 or through our website to discuss your legal needs with our attorney.
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Reviews (10)
Willie Morgan
Sep 29, 2018 Report
John helped me out of a very difficult Tax situation with the IRS involving foreign & domestic taxes.I also had an ongoing divorce situation.He was familiar with every problem that came up,and negotiated a deal with the IRS where they got their taxes & my ex got her rightful share.I highly recommend John,especially if you need to negotiate with the IRS.
Jerry Goldman
Sep 29, 2018 Report
John did an excellent job for us. He was professional and his communication with us could not have been better. I would recommend John to anyone looking for the best representation.
Jason Hayley
Sep 29, 2018 Report
After looking at several attorneys to handle my case, I selected John. It was the best choice I could have made. He has given me peace of mind and has handled my case with pure professionalism. I would definitely recommend using John to my friends or family if asked.
Michael David
Sep 29, 2018 Report
John McDuff is the king of Austin tax lawyers--he's a very senior attorney that knows the ins and outs of the State tax authorities. John helped us get up with sales tax; we operate in a foggy area, and he cleared us up. You won't find anyone more experienced or easier to deal with.
Matt Mayfield
Sep 29, 2018 Report
We have been working with John for the last couple of years as a business transaction attorney. He continues to be, and has been, nothing but timely, professional, and knowledgeable in all services rendered for us. He is meticulous and thoughtful in every aspect, and we would highly recommend his services and still continue to build our relationship with him. His alacrity is continually a pleasant surprise.
Linda Paul
Sep 29, 2018 Report
My parents used John for their estate and tax planning. They were so impressed I used him also. When my Mother passed away, we realized how much heartache and trouble John's work and advice had saved us. John is very smart. His work is meticulous and thorough. When my parents were still discussing things between themselves, John was very patient about when they signed the documents. We highly recommend his services.
Tim Gerbel-Lucas
Oct 23, 2013 Report
I would like to testify as to the qualifications and expertise of my company's attorney, who has also become my personal counsel. His approach is direct, honest and committed to his client. With a dedicated work ethic, he tenaciously works in the interest of his client with a take-charge attitude that demonstrates his knowledge, honesty, enthusiasm and caring. He is easily accessible to his clients, demonstrating authentic personal service and dedication to his profession, as well as the best interest of his client.

Not only is he a distinguished attorney but also holds a Degree as a Certified Public Accountant, which enables him to cross reference information to better serve his client. I highly recommend John McDuff for legal services.
Richard Alexander
Sep 21, 2013 Report
John McDuff is a lawyer and a CPA. He is brilliant on how to best apply the law to win your case. He is thorough and produces excellent detailed documents. You can depend on John to get what you need done the right way. I was impressed with his ability to get into the mindsets of opposing counsel.

John attended a meeting with regulators with us in Austin. The regulator was viciously screaming out of control. John got up and blasted them at the top of his lungs, he is fearless and impossible to intimidate....At that moment I knew we had won a very comfortable position in the case.

He has an amazing work ethic that was always reassuring to us that he had our best interest at heart. We have had John represent us in several matters and the results were excellent considering the facts. He will leave no stone un-turned. We are and will remain long term clients of John Mc Duff.
James
Aug 30, 2013 Report
We have been working with John for the last couple years as a business transaction attorney. He continues to be, and has been, nothing but timely, professional, and knowledgeable in all services rendered for us. We would highly recommend him and still continue to use him as our attorney.
Terry
Apr 07, 2011 Report
I used John C. McDuff as my lawyer when I had a tax problem, and as a lawyer, I feel that I can say that he was perfectly professional and competent. I feel that the previous review was a mistake. John was very detailed oriented, and kept me well informed of the issues in my case, and he won it. I have referred others to him who were pleased with his work.