State & Local Sales Tax Compliance

Master Multi-Jurisdiction Sales Tax, Nexus Rules, and Use Tax Reporting—Without the Headaches

Our Sales Tax Services
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man using angle grinder
1. Sales Tax Registration & Nexus Management
  • Nexus Determination: Identify where your business has obligations due to physical presence (offices, warehouses), economic activity (exceeding $100k+ in sales), or remote employees.

  • State Registrations: Streamline setup in new states, including local jurisdictions with unique tax rates (e.g., home rule cities in Colorado).

  • Voluntary Disclosure Agreements (VDAs): Resolve past liabilities with minimal penalties for unfiled returns.

2. Sales Tax Calculation & Filing
  • Accurate Rate Management: Automate tax calculations for 12,000+ jurisdictions using API integrations with your e-commerce platform or POS system.

  • Monthly/Quarterly Filings: Timely preparation of returns, including reconciliation of marketplace facilitator sales (Amazon, Shopify).

  • Exemption Certificate Management: Digitally store and validate resale, nonprofit, or manufacturing exemption documents.

person holding purple and white card
person holding purple and white card
3. Use Tax Compliance
  • Purchasing Audits: Identify unpaid use tax on out-of-state purchases, equipment, or materials.

  • Self-Assessment Reporting: File use tax returns for untaxed business purchases to avoid audit triggers.

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man entering plane during daytime
4. Audit Defense & Dispute Resolution
  • Audit Preparation: Organize records, reconcile discrepancies, and represent you during state or local audits.

  • Penalty Abatement: Negotiate reductions or waivers for late filings or errors caused by outdated systems.

January calendar
January calendar
Frequently asked questions
Q: What triggers sales tax nexus?


Economic nexus (exceeding $100k in sales or 200 transactions in a state), physical presence (warehouses, employees), or click-through nexus in some states.

Q: Do I need to collect tax on shipping charges?

It depends on the state—for example, taxable in California but exempt in Florida if stated separately.

Q: How do I handle tax-exempt sales?

We’ll help you collect, validate, and digitally store exemption certificates to protect you during audits.

Q: What’s the difference between sales tax and use tax?

Sales tax is charged at the point of sale; use tax is self-reported by the buyer on untaxed purchases.

Get in Touch Today

Contact us for expert sales tax services and support with registration, nexus management, and accurate tax calculations tailored to your business needs.

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