Call 888-577-1482
if you need help with:

  • Sales Tax voluntary disclosures
  • Sales Tax audit management and appeals
  • Income tax – US tax court and state tax tribunal litigation
  • PBM and healthcare audits
  • USDA Snap violation charges

Our Locations

Dallas, TX

4131 N Central Expy #900,
Dallas, TX 75204

Fort Worth, TX

5601 Bridge St Ste 485
Fort Worth, TX 76112-2384

San Antonio, TX

1600 Ne Loop 410 Ste 208
San Antonio, TX 78209

Houston, TX

1505 S Texas 6 #245,
Houston, TX 77077


5105 Tollview Dr #259,
Rolling Meadows, IL 60008


2650 Holcomb Bridge Rd.,
Alpharetta, GA 30022

Most Common Sales Tax Problems Explained

What we do

General Contractors, Subcontractors, and Sales Tax

Tax preparer due diligence defense

Documents in a sales tax audit

Mansoor Hussain AnsariReviewsout of 15 reviews
Ansari Law Firm BBB Business Review

Experienced Sales Tax Attorneys in Texas

The Ansari Law Firm has over a decade of experience in dealing in Texas and Georgia Sales tax audits, tax problem solving with the IRS and State Tax Tribunals.  We have helped our clients overcome major tax disputes in industries ranging from a veterinary clinic to a supplier of large parts for Ford Motor Company. We even represent Tax Preparers and Accountants undergoing IRS due diligence audits.

Tax Attorneys and CPA’s on staff

Our Principal Attorney and founder is licensed in Texas, Illinois, and Georgia, which enables our firm to handle Nexus claims and representation for clients with multiple business locations in a post Wayfair world.  We represent both individuals and businesses from the onset of an audit to the final appeal. Se habla espanol!

Why choose us?

  1. We have Attorneys and Enrolled Agents on our staff

  2. Over a decade of tax controversy experience

  3. Recognized in the tax litigation industry

  4. We wrote the book on Georgia sales tax appeals!

Texas and Georgia Sales Tax Attorneys – We find the Sampling Errors!

Call a firm that you saw online and tell them that you were audited for unpaid sales tax on the raw materials that you sold to another retailer. When they try to settle your debt for less or put you on a payment plan, you know that they have no expertise in sales tax litigation! The correct answer is, “no sir, you do not owe any sales tax since this is a business to business transaction. Furthermore, these are considered business inputs and are not taxable.” This knowledge can only be gained overtime by litigating hundreds of sales tax cases.

We also assist clients in the following areas:

Contact our office to discuss your case with an experienced attorney.

Hot topics for 2024:
Sales tax audits in San Antonio have tripled since 2022. These are the most common industries that are being audited in San Antonio:

  • Construction – subcontractors and general contractors
  • Gas stations
  • Restaurants

Areas We Serve

Please click on a highlighted state to learn more about our tax services:

Client Testimonials

Jim Schoene

Mansoor Ansari is like a tax encyclopedia and knew more than the auditors of four states.


Hiring Ansari Tax Law Firm was easily the best decision we made as he made the process so much smoother and we ended up saving way more money than expected.


Ansari Law Firm saved me untold $1000’s if not 6 figures of dollars on a sales tax audit. This firm is the most professional firm I have ever dealt with.


Mansoor is a strong communicator. It is evident that he is an expert on sales taxes, regulations, and processes surrounding this complex topic. Highly recommended and will use again for any tax related questions.


Mansoor has excellent sales tax knowledge for remote sellers and consistently goes above and beyond to deliver best in class tax attorney services. Highly recommend him.


This tax firm consists of top-notch professionals who really helped me navigate tax related setup and understand my obligations as an employer of 20+ professionals. I would recommend Ansari firm to anyone without hesitation.


Excellent, Top-notch, always there to answer any and all of my questions! Would highly recommend Ansari Tax, as they are #1 in Sales Tax Appeals and have been filing my taxes since 2017


The service was amazing and extremely professional. Mansoor Ansari is a remarkable tax attorney and very motivated to ensure his clients questions and concerns are handled in a timely fashion. It was a pleasure working with him.

Contact our Texas Sales Tax Attorneys

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