Amazon FBA Taxes for Foreign Sellers: The Essentials
Why FBA inventory in US warehouses raises nexus questions
When you store your products in Amazon's U.S. fulfillment centers through the Fulfillment by Amazon (FBA) program, it triggers a significant question: Does this mean you have a physical presence in the United States? The answer is yes, and that physical presence can create what we call "nexus" for tax purposes. Nexus means you're required to collect and remit sales taxes on products sold through FBA if your inventory is stored in a state where you sell those items. For example, if your products are stored in California's warehouses and shipped out of there to customers in the same state, you'll need to register for a seller’s permit and start collecting California sales tax.
This isn't just about avoiding penalties or fines—it's about understanding that selling through FBA can subject you to various U.S. tax obligations from day one. As an Enrolled Agent, I often see foreign sellers caught off guard by these requirements because they didn't realize the implications of storing inventory in a U.S. warehouse.

Entity structure options before you scale
Before diving into Amazon FBA or any other U.S.-based sales activities, it's crucial to set up your business entity properly. The most common choices are forming a single-member LLC (SMLLC) or a corporation. A SMLLC offers flexibility and simplicity for small-scale operations but provides limited liability protection similar to that of a corporation. If you're just starting out with FBA sales, an SMLLC might be sufficient.
However, as your business grows, consider forming a U.S.-based C-corporation or electing S-Corp status if applicable. This can help manage tax liabilities and provide additional layers of protection against personal liability. For instance, if you expect to scale up quickly and foresee significant revenue streams from FBA sales, setting up a corporation might be more beneficial in the long run.
Choosing the right entity structure upfront is critical because changing it later can be costly and complex. As an Enrolled Agent, I advise clients to think about their future growth plans when deciding on their initial business setup.
1099-K reporting and what Amazon sends the IRS
When you use Amazon FBA for sales in the United States, one of your key tax obligations is understanding how income from these transactions will be reported. If your gross sales exceed $20,000 and you have more than 200 transactions through a third-party payment processor like PayPal or directly through Amazon's system, you'll receive a Form 1099-K from them. This form reports the total amount of payments received for the year, which includes both gross sales and refunds.
It’s important to note that while Amazon will provide this information to the IRS, it does not mean your tax liability is automatically determined by these figures alone. The 1099-K is a reporting mechanism, not an income statement. You'll still need to calculate your taxable income based on actual sales and expenses, including any deductions you qualify for.
For example, if you have significant marketing costs or inventory write-offs, these should be factored into your tax calculations. As an Enrolled Agent, I emphasize the importance of keeping detailed records to accurately report your income and claim legitimate deductions.
Sales tax collection Amazon handles vs. what you still owe
While Amazon FBA can handle sales tax collections for some sellers in certain states, it’s crucial to understand that this service isn't available everywhere or for every type of product. If Amazon doesn’t collect the sales tax on behalf of your business, you're responsible for collecting and remitting those taxes yourself.
Even if Amazon does manage sales tax collection for you, there might be instances where they don't cover all taxable transactions. For instance, if you sell products outside the states where Amazon collects sales tax or have sales that fall under exemptions not covered by their automated system, you’ll need to handle these separately.
This means you must register with each state’s taxing authority and file returns accordingly. As an Enrolled Agent, I advise clients to stay informed about changes in local tax laws and regulations affecting foreign sellers using FBA.
Income tax exposure on US-sourced FBA profit
The income earned from selling products through Amazon FBA is subject to U.S. federal and state income taxes if it’s sourced within the United States. The profits you make from sales generated by your inventory stored in U.S. warehouses are considered U.S.-sourced income, even if you're not a resident or citizen of the country.
For example, if you sell $50,000 worth of products through FBA and earn a profit of $20,000, that profit is taxable according to U.S. tax laws. It’s important to understand how to declare this income on your tax return and which deductions might apply. As an Enrolled Agent, I help clients navigate these complexities by ensuring they report their foreign-sourced income correctly while taking advantage of available credits or exemptions.
Getting structured before volume makes fixing it expensive
One common mistake foreign sellers make is delaying the setup of a U.S. entity until after significant sales have been made through FBA. By then, restructuring can be costly and complex, often requiring additional tax filings and potential penalties for non-compliance. It’s far better to establish your business structure early on.
For instance, setting up a single-member LLC or corporation before you start selling through Amazon ensures that you’re in compliance from the outset. This proactive approach not only simplifies your financial reporting but also protects you against unexpected tax obligations down the line.
As an Enrolled Agent, I recommend foreign sellers consult with a professional to set up their U.S. entity correctly right from the beginning. Doing so can save substantial time and money as your business grows and scales in the United States.
Frequently Asked Questions
Do I need an ITIN if I’m just starting FBA sales?
No, you don’t necessarily need an ITIN for setting up a US LLC or EIN to handle initial FBA sales. However, having one can simplify tax filings later on.
Is it mandatory to register my foreign business in the U.S. states where I sell through FBA?
Yes, if your inventory is stored and sold within specific U.S. states via FBA, you typically need to register for a seller's permit and comply with local sales tax laws.
Can Amazon FBA handle all of my state’s sales taxes automatically?
No, while Amazon can manage some sales tax collections in certain states, it doesn’t cover every state or exemption. You might still need to file returns independently.
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This article is general information, not individual tax advice. If you want to talk through your specific situation, book a free 15-minute review or call or text us directly.
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