Comprehensive tax filing services for individuals and businesses, ensuring accuracy and compliance with current tax laws.
Personalized tax planning and strategy consultations to optimize financial outcomes and minimize liabilities.
Expert assistance with IRS audits, penalties, and unfiled taxes, providing timely corrections and support.
Tailored tax solutions for businesses, including deductions, credits, and ongoing compliance guidance.
Help with amending previous tax returns to fix errors and stop penalties, backed by detailed analysis.
I highly recommend Tony Du. He makes the hard easy without making the easy hard! Every year I break out in a cold sweat just knowing that April 15 is coming—and my taxes are pretty straightforward. Enter Tony Du. With 30 years experience and on-going education, Tony is spot-on regarding both simple and complex tax law. He unraveled a big mistake I made in a previous tax year that was collecting penalties practically by the minute. He filed my corrected tax forms ASAP which stopped the penalties! I’m so grateful for him. Check him out. 👍👍👍👍👍
I had an excellent in-person meeting with Tony Du, EA. He was professional, knowledgeable, and very helpful. Everything was handled smoothly, and I’m extremely satisfied. Highly recommended!
I am writing to wholeheartedly recommend Tony Du, EA, of AD Tax and Business Consultants, Inc. for his exceptional services as a tax professional. I had the opportunity to work with him during a particularly sensitive and complex situation involving my mother’s unfiled taxes, and I was deeply impressed by his professionalism, integrity, and genuine commitment to helping us navigate the process. From our first interaction, Tony demonstrated a personable and empathetic approach. He took the time to understand our circumstances, asked thoughtful questions, and made us feel supported every step of the way. His expertise was evident not only in his technical knowledge of tax law and IRS procedures, but also in his ability to explain things clearly and patiently. What stood out most was his conscientiousness and investment in doing the job thoroughly and correctly. He was meticulous in his work, responsive to our concerns, and consistently went above and beyond to ensure everything was handled with care and precision. His dedication gave me peace of mind during a stressful time, and I am truly grateful for his guidance. I would not hesitate to recommend Tony Du to anyone seeking a knowledgeable, trustworthy, and compassionate tax professional. He brings both skill and heart to his work — a rare and valuable combination. He sincerely loves his job and cares about every client.
We met with Tony (Anthony) today. It was our first meeting to discuss our taxes with him. My wife and I are very impressed with Tony’s knowledge and his expertise. We signed a contract with him to be our tax adviser and to do our taxes.
Mr. Tony is knowledgeable and friendly. His experience and expertise make us feel comfortable about his services and advice. He has done our taxes for the past two years. Mr. Tony is prompt with phone calls and emails, answering any questions or concerns you might have. We highly recommend him.

Expert tax solutions with a personal touch—making the complex simple for Oklahoma City.
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Anthony Du EA, based in Oklahoma City, provides expert tax advisory and preparation services with over 30 years of experience. Specializing in both straightforward and complex tax situations, including IRS issues and corrections, we offer personalized, empathetic support to individuals and businesses. Known for professionalism, meticulous attention to detail, and clear communication, we ensure peace of mind and optimal financial outcomes for every client.
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