Sales Tax Lady

Sales & Use Tax Compliance Solutions for Growing Companies

Expert Sales Tax Services & Resources to save you time, worry, and money

Holly Hoffman, Sales Tax Lady
As Seen In
GO4CEOThe Sales Tax Mistakes Costing CEOs Thousands
Finance DigestRethinking Sales Tax Automation
Business Mastery PodcastSales and Use Taxes with Holly Hoffman
MSNGrowth Should Trigger a Sales Tax Conversation
BenzingaSales Tax System Assessment for 2026
Sales Tax Chaos PodcastFixing Sales Tax for Contractors — Ep. 442
Manager Memo PodcastSales Tax Lady — Season 8, Episode 42
Founders FutureHow Holly Hoffman is Fixing a Broken Tax System
CEO WeeklyHolly Hoffman's Quiet Revolution in Tax Strategy
Digital JournalThe Sales Tax Whisperer
CEO World MagazineThe Sales Tax Partner You Actually Want to Call
Economic InsiderThe Human Side of Sales Tax
Woman's JournalHuman-Centered Approach to Sales Tax
WICPA's On BalanceA Lesson in Hard Times
Featured ArticleAugust 20, 2026

What Triggers a Sales Tax Audit?

Data mismatches, irregular filings, high exempt-sale ratios, vendor audits — learn the 10 red flags that put businesses on the state's radar, and what to do before they find you first.

Data MismatchesExempt-Sale RatiosVendor AuditsCash IndustriesEconomic Nexus

Holly Hoffman, the Sales Tax Lady, explains Sales Tax Protection Plans.

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15+Years of Sales Tax Experience
8Years as a WI Dept. of Revenue Auditor
100sof Businesses Helped Across the US

Meet Holly Hoffman

Founder and Contractor Sales Tax Expert

I'm here to help guide you and create a sales tax system that works for your business. Using my experience and knowledge as a former WI Department of Revenue auditor, technical sales tax specialist, and head of WI Dept of Revenue's Speaker's Bureau to make the process stress free for you and your staff.