Texas sales tax, explained from the auditor's side.

Practical guidance from a former Texas Comptroller sales tax auditor — for business owners, and for the CPA and bookkeeping firms that serve them.

For CPA & bookkeeping firms

The 7 Texas Sales Tax Mistakes Hiding in Your Clients' Contracts and Invoices

The contract and invoice patterns that quietly create exposure for your clients — and the ten-minute checks that catch each one in files your firm already touches.

For business owners

Separated vs. Lump-Sum Contracts in Texas: A Contractor's Guide

The one contract decision that drives most Texas contractor audits — the four scenarios, the trap, and how the Comptroller spots it.

The Texas Sales Tax Audit Process, Week by Week

What actually happens after the notice arrives — the timeline, the document requests, the sample, and where the outcome gets decided.