Sales Tax Registration & Support
Navigate US sales tax nexus, state registrations, and multi-state filings for Shopify, Amazon, and international e-commerce sellers.
Comprehensive Service Overview
United States sales tax is governed at the individual state level, not the federal level. Following the landmark Supreme Court decision in South Dakota v. Wayfair (2018), states enforce "economic nexus" laws requiring out-of-state and international online sellers to collect and remit sales tax once they exceed statutory sales thresholds (typically $100,000 in gross revenue or 200 individual transactions in a state).
If you sell physical products, digital goods, or SaaS to U.S. customers via Shopify, your own website, or multi-channel platforms, managing sales tax permits is essential. NexFyla evaluates your state-by-state economic nexus, registers your business with state departments of revenue, and obtains your official sales tax permits.
What's Included in This Service
- State-by-state economic nexus exposure analysis based on your historical and projected sales volume.
- Preparation and submission of state sales tax license applications with state Departments of Revenue.
- Acquisition of state Sales and Use Tax permits and state tax identification numbers.
- Configuration guidance for Shopify, WooCommerce, and Stripe Tax automated collection engines.
- Calendar of state sales tax filing frequencies (monthly, quarterly, or annually) to ensure zero penalties.
How the Process Works: Step-by-Step
- Step 1: Nexus Determination Audit: We analyze your sales transactions by state to identify where you have crossed statutory economic nexus thresholds.
- Step 2: State Registration Preparation: We prepare the required state Department of Revenue registration forms for target jurisdictions.
- Step 3: State Agency Filing: We submit your state tax applications and coordinate with state tax examiners for permit issuance.
- Step 4: Permit Issuance & Platform Setup: Receive your state sales tax permits and configure automated tax collection rules on your store.
Frequently Asked Questions
When does an online seller need to collect US sales tax?
When your business crosses economic nexus thresholds (usually $100,000 in sales or 200 transactions) in a specific state.
Do marketplaces collect sales tax for me?
Marketplaces like Amazon and eBay collect on your behalf under Marketplace Facilitator laws, but independent stores (e.g. Shopify) require your own permits.
Related Corporate & Tax Services
- Resale Certificate Registration: Purchase wholesale inventory sales-tax-free from U.S. manufacturers.
- Federal Tax Support & 5472 Filing: Federal IRS compliance alongside your state sales tax permits.
- U.S. Company Formation: Incorporate your U.S. e-commerce company.
- USPTO Trademark Registration: Protect your e-commerce brand on Amazon Brand Registry.
Ready to Get Started?
NexFyla provides institutional legal quality with transparent, flat pricing and dedicated human compliance support. View all formation pricing or book a free 30-minute consultation today.