Unsure where you owe sales or use tax
Run Your Nexus Risk CheckMarketplace sellers trigger multi-state tax obligations faster than they realize because selling across platforms creates overlapping responsibilities. Amazon may collect tax for some transactions, but not all, and your direct sales remain your responsibility. Without tracking nexus and exposure across channels, compliance becomes fragmented and risky.
Multi-state tax means:
This creates a hybrid compliance model
Marketplace sellers operate across:
This leads to:
Understand nexus first: Marketplace sales tax nexus
You must handle:
Both layers must be tracked together
See automation: Marketplace sales tax automation
Track marketplace vs direct sales
Know what marketplaces collect
See rules: Marketplace Facilitator Tax Rules
Do not delay once thresholds are crossed
Compare options: Marketplace sales tax automation
Avoid mistakes: Marketplace sales tax mistakes
A marketplace seller uses Amazon FBA and Shopify
Without tracking:
With proper approach:
You are at risk when:
At this stage, tracking is essential
Marketplace multi-state sales tax is complex because responsibility is shared across platforms and sellers. Most businesses assume marketplaces handle everything, which leads to gaps and liability. The right approach is to separate marketplace and direct sales, track nexus across all channels, and manage compliance based on actual exposure so your business can scale without risk.