• The Business Show US – Miami

    Miami Beach Convention Center

    April 29-30, 2026 Miami Beach Convention Center Holly Hoffman Sales Tax Lady talks at the Business Show Las vegas 30-Apr-2026  14:00 – 14:30  Theater 4 Miami From Risk to Revenue: Sales Tax Planning for Expanding Businesses Holly Hoffman Founder & Owner, Sales Tax Advisory Network, LLC Holly Hoffman is a seasoned sales tax professional with 15 years […]

  • MCDEVCO – WI Sales & Use Tax Workshop

    100 N. 72nd Ave, Wausau WI May 5th & 12th 6:00-8:00 p.m. Events & Programs — MCDEVCO, Inc. | Business Development in Marathon County Holly Hoffman is the owner of the Sales Tax Advisory Network. She has bachelor’s and master’s degrees in accounting, and is a former auditor, speaker, and sales tax technical law expert for the […]

  • 2026 Sales Tax Seminar | Green Bay | May 14, 2026

    2026 Sales Tax Seminar Hosted by Temperature Systems Inc. “Sales & Use Tax Audit: Prepare, Manage & Prevail”“TSI, Inc., hosts Holly Hoffman, former WI Dept. of Revenue auditor, to share her experiences and resources to help you prepare for, manage, and prevail over a sales and use tax audit.” Presentation Summary- Audit Flags – Are […]

  • 2026 Sales Tax Seminar | Madison | May 15, 2026

    2026 Sales Tax Seminar Hosted by Temperature Systems Inc. “Sales & Use Tax Audit: Prepare, Manage & Prevail”“TSI, Inc., hosts Holly Hoffman, former WI Dept. of Revenue auditor, to share her experiences and resources to help you prepare for, manage, and prevail over a sales and use tax audit.” Presentation Summary- Audit Flags – Are […]

  • 6th Campground Owners EXPO 2026

    6th Campground Owners EXPO 2026 Hilton Grand, Branson MO December 2-3, 2026 Campground Owners Expo – Campground Owners Expo Come visit my booth! Attend my Presentation: Multi-State Sales & Use Tax Tips for Campground Owners & Learn more about my multi-state sales tax database for campground owners!