Get in Touch with Sales Tax Compliance USA
Whether you’re based in the U.S. or selling internationally, we make U.S. sales tax compliance simple.
We help ecommerce sellers with U.S state registrations, sales tax collection, and monthly return filing obligations so you stay compliant with economic nexus thresholds, marketplace facilitator laws, and multi-state sales tax returns — allowing you to focus on growth.
Trusted by Amazon, Shopify, and Walmart sellers across the U.S. for multi-state sales tax compliance and registrations.
Sales Tax Compliance
Complete U.S. sales tax solutions for ecommerce sellers.
- Nexus Assessment – We analyze your sales data and determine where economic or physical nexus creates registration and tax obligations.
- State Registrations – Our experts manage full sales tax registration and permit applications for all marketplaces.
- Tax Filing & Remittance – We prepare and file returns monthly, quarterly, or annually, ensuring accurate payments and state tax reporting.
- Ongoing Monitoring – Our team tracks marketplace facilitator laws, due dates, and changing state rules, taking responsibility for keeping your business compliant.
How It Works
Step 1
Book your free consultation
We assess your taxable sales, revenue and other activities to determine your sales tax obligations across states to determine your tax liability using the correct tax rates.
Step 2
Nexus & compliance assessment
Identify which states trigger sales tax nexus and require registration.
Step 3
State registration & return filing
We manage your sales tax payment setup, exemptions, risk and timely return filings according to sales tax laws and tax jurisdictions.
Step 4
Ongoing monitoring & support
Continuous review of sales tax thresholds, due dates, reporting requirements, physical presence and rule changes.
About the Founder
Led by a Dual-Qualified Chartered Accountant
Sales Tax Compliance USA is led by Paul le Roux, a dual-qualified Chartered Accountant (CA(SA), ICAEW), specializing in U.S. state and multi-state sales tax compliance and tax research. Our firm helps ecommerce sellers register, collect, and remit sales tax accurately across all major marketplaces. We ensure every client meets tax obligations, files returns correctly, and remains compliant with state-specific tax rates and nexus rules.
We simplify compliance by specializing in sales and use tax for all the states and various tax types for third party sellers and remote sellers such as FBA sellers, digital goods, Amazon, Shopify, and Walmart sellers — both U.S.-based and international — to stay fully compliant, audit-ready, and focused on growth instead of paperwork.
Testimonials
What Sellers Say About Us
Our clients trust us to simplify sales tax filing and ensure accurate compliance in all U.S. states.
Discover what our satisfied clients have to say about their experiences with us!
Ready to Get Sales Tax Compliant?
Avoid penalties and save time with automated sales tax collection, filing support, and state registration management handled by experts.
Book your free consultation today and protect your business from costly penalties and account suspensions.