Unsure where you owe sales or use tax
Run Your Nexus Risk CheckTrack marketplace and direct sales separately. Apply state specific inclusion rules automatically.
Amazon. Shopify. Walmart. Direct sales. One unified threshold engine.
A marketplace nexus tracker monitors sales made through platforms like Amazon and Walmart, separates them from direct website sales, and applies state specific inclusion rules to determine when economic nexus is triggered. Many states require marketplace sales to be counted toward economic nexus thresholds even if the marketplace collects tax.
This tool:
Marketplace inclusion rules are explained in Marketplace Nexus. For threshold rules see Economic Nexus by State. For full multistate monitoring see Multistate Monitoring System. For executive level reporting, access the State by State Nexus Report. For a structured, state by state summary of your findings, generate a full Nexus Exposure Report.
Track My Marketplace NexusMarketplace facilitator laws shifted tax collection responsibility in many states.
However, confusion remains because:
Many sellers assume marketplace collection eliminates registration risk. That assumption is often incorrect.
Import marketplace sales by state.
Import direct website sales.
Apply state specific inclusion rules.
Test revenue and transaction thresholds.
Identify first month economic nexus was triggered.
For single state threshold testing use Threshold Testing Tool.
States fall into different categories:
Revenue from platforms is included in economic nexus testing.
Only direct sales are considered.
Inclusion depends on revenue type or reporting requirements.
Use State Nexus Lookup Tool to confirm each state’s treatment. For revenue testing outside marketplaces, use Threshold Testing Tool.
Marketplace sellers often store inventory in fulfillment centers. Inventory stored in a state may create physical nexus regardless of economic thresholds.
This tracker flags:
Inventory may create separate obligations. See Physical vs Economic Nexus. For a full multichannel overview, see Sales Tax Exposure Dashboard.
Many rolling states require trailing 12 month testing.
The tracker:
For rolling specific testing see Rolling 12 Month Nexus Tracker.
These errors frequently lead to late registration.
If the tracker identifies nexus:
Review When Do I Have to Register for Sales Tax for timing guidance. Estimate historical exposure using Sales Tax Liability Estimator. Calculate back taxes using Back Sales Tax Calculator. Assess overall compliance risk with Nexus Risk Score Tool. For a formalized compliance summary, review the Sales Tax Liability Estimate Report.
If you sell on marketplaces in more than five states, automated separation is essential.
Separate channels. Apply correct rules. Register with certainty.