SEATax leverages intelligent automation to streamline your sales tax filing. Import transactions, auto-categorize deductions, and file — all in one place.
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Built specifically for e-commerce sellers — from sole proprietors to multi-channel powerhouses.
Connect your Amazon, eBay, Etsy, and Shopify stores. We pull in every transaction automatically.
AI-powered expense categorization that learns from your data and gets smarter with each filing.
Our engine surfaces every eligible deduction — shipping, supplies, home office, and more.
Sell across state lines? We handle nexus detection and multi-state return preparation seamlessly.
Generate Schedule C, 1099-K reconciliation, and all required forms in IRS-compliant format.
256-bit encryption, SOC 2 compliance, and secure IRS e-filing integration to protect your data.
Link your Amazon, eBay, Etsy, or Shopify accounts in seconds. We securely sync all your sales data and transaction history.
Our AI reviews your financials, categorizes expenses, and finds every deduction you're entitled to. You stay in control.
E-file directly with the IRS through our secure integration. Track your refund status in real-time from your dashboard.
Real-time insights, deadline tracking, and filing status — all at a glance.
3 of 4 sections complete
"SEATax found $8,200 in deductions I had no idea about. The auto-import from Amazon saved me hours of data entry."
"Multi-state filing used to be my nightmare. SEATax handles it automatically — I just review and file. Game changer."
"Went from dreading tax season to finishing in 15 minutes. The dashboard makes everything crystal clear."
No hidden fees. Pay only when you file.
SEATax supports all U.S.-based online sellers, including Amazon FBA, eBay, Etsy, Shopify, Walmart Marketplace, TikTok Shop, and more. Whether you're a sole proprietor, LLC, or S-Corp, we've got you covered.
Absolutely. We use 256-bit AES encryption, are SOC 2 Type II certified, and never share your data with third parties. Your financial information is as safe with us as it is with your bank.
Yes! Our Pro and Enterprise plans include automatic nexus detection and multi-state return preparation. We monitor economic nexus thresholds across all 50 states and alert you when you've triggered new obligations.
Enterprise plan users receive full audit defense support. All plan holders get organized, IRS-compliant documentation that makes responding to audits straightforward. We keep records of every deduction rationale.
Join 50,000+ sellers who file smarter with SEATax.
No credit card required. Free federal filing included.