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Illustration for an U.S. LLC article aimed at Amazon KDP authors based in Spain
LLC15 min read

How Amazon KDP authors from Spain Get a U.S. LLC

Spanish Amazon KDP authors can form a U.S. LLC to manage royalties and avoid U.S. withholding tax. Learn the process, required documents, and common pitfalls.

Reviewed by , ITIN Specialist at itin.net.

Why Amazon KDP Authors in Spain Need a U.S. LLC

Amazon KDP authors based in Spain face a unique challenge: U.S. tax withholding on their royalty income. Without proper documentation, the IRS imposes a 30% withholding tax on gross royalties paid to non-U.S. persons. To mitigate this, authors typically need to obtain an Employer Identification Number (EIN) and file a W-8BEN form. However, for authors planning to scale their publishing business or seeking to separate business income from personal income, a U.S. LLC offers significant advantages. It provides a distinct legal entity for their publishing activities, offering personal liability protection and a clearer structure for U.S. financial dealings. This is particularly relevant for Spanish authors who may not have a physical presence in the U.S. but generate substantial income from U.S.-based platforms like Amazon KDP.

The primary friction point for Spanish authors is the U.S. withholding tax. While a W-8BEN form can reduce this to 0% for income sourced from the U.S. under the U.S.-Spain tax treaty, it requires the author to be a resident of Spain for tax purposes and to correctly claim treaty benefits. For authors who anticipate complex business structures, multiple income streams, or future expansion into other U.S. markets, establishing a U.S. LLC provides a more robust and professional framework. It simplifies tax reporting and allows for easier access to U.S. banking services, which can be essential for managing royalty payments efficiently. The process, while seemingly complex, is designed to accommodate non-residents, making it an accessible tool for international creators.

When a U.S. LLC Becomes Necessary or Advantageous

For Amazon KDP authors in Spain, a U.S. LLC is often driven by the need to manage U.S. tax obligations efficiently. The primary trigger is the U.S. withholding tax on royalties paid to non-U.S. individuals. While filing a W-8BEN form can reduce this tax to zero by claiming benefits under the U.S.-Spain tax treaty, some authors find that a U.S. LLC offers a more streamlined approach, especially as their income grows. Forming an LLC allows authors to obtain an EIN, which is often a prerequisite for U.S. banking and can simplify tax filings related to U.S. business activities. Furthermore, if an author plans to reinvest their earnings into U.S.-based assets or services, or expects to engage in other U.S. business ventures beyond KDP, an LLC provides a formal business structure. This can also be beneficial for attracting potential U.S. investors or partners in the future. The LLC structure separates personal assets from business liabilities, offering a layer of protection that is not available to sole proprietors. While not strictly mandatory for simply receiving KDP royalties if a W-8BEN is correctly filed, the benefits of a U.S. LLC become increasingly compelling for authors seeking professionalization and long-term financial planning.

Required Documents for U.S. LLC Formation

Forming a U.S. LLC as a non-resident requires specific documentation, primarily to verify your identity and establish the business entity. The most critical personal document is a copy of your valid passport. This serves as proof of identity for the formation process. You will also need to provide a U.S. business address, which can be a virtual office or a service address provided by your formation agent. This address is for official correspondence and is distinct from your physical location in Spain.

Another key component is the appointment of a registered agent. This is an individual or service company with a physical address in the state of formation, responsible for receiving official legal and tax documents on behalf of your LLC. Many formation services, including itin.net, provide registered agent services. Finally, you will need an Operating Agreement. While not filed with the state, this internal document outlines the ownership structure, operating procedures, and member responsibilities of your LLC. It's a crucial document for establishing the legitimacy and operational framework of your business, especially for non-residents. The IRS also requires specific information for tax identification purposes, which will be used to obtain your EIN.

The U.S. LLC Formation Process for Spanish Authors

The process of forming a U.S. LLC begins with selecting a state of formation. Delaware, Wyoming, and Nevada are popular choices for non-residents due to their business-friendly laws and lack of state-level income tax for out-of-state entities. Once the state is chosen, you will file the Articles of Organization with the Secretary of State. This document officially creates your LLC. This step typically takes 1–3 business days for processing, depending on the state.

Following state formation, the next crucial step is obtaining an Employer Identification Number (EIN) from the U.S. Internal Revenue Service (IRS). This is a unique nine-digit number used to identify your business entity for tax purposes. You will file Form SS-4, Application for Employer Identification Number, with the IRS. For non-residents without a U.S. Social Security Number (SSN), this process can take several weeks if applying by mail or fax, but can be expedited significantly if applying through a Certified Acceptance Agent (CAA) or by phone with an assigned IRS agent. The typical timeline for formation and obtaining an EIN is 5–10 business days when using a service like itin.net, which can often expedite the EIN application. After formation and EIN assignment, you will finalize your Operating Agreement.

Common Mistakes for Amazon KDP Authors in Spain

Amazon KDP authors in Spain often make specific errors during the U.S. LLC formation and tax compliance process. A frequent mistake is failing to understand the state-specific tax implications. For instance, forming an LLC in California or New York without realizing the significant franchise tax exposure can negate potential cost savings. Authors must choose a state that aligns with their business activity and tax goals. Another common pitfall is neglecting the Operating Agreement. While not filed with the state, it is a critical internal document that defines ownership and operational rules. Skipping this can lead to disputes and complications later. For non-residents, understanding the Beneficial Ownership Information (BOI) reporting requirement to FinCEN is also vital. Failure to file the initial BOI report within 90 days (for entities formed in 2024) or 30 days (for entities formed after 2024) can result in substantial penalties. Lastly, some authors mistakenly believe that forming an LLC automatically exempts them from U.S. withholding tax on royalties; this is incorrect. Proper tax documentation, such as a W-8BEN or claiming treaty benefits through the LLC and EIN, is still required to reduce or eliminate the 30% withholding.

Benefits of Using a Certified Acceptance Agent (CAA)

A Certified Acceptance Agent (CAA), such as itin.net, offers a distinct advantage for Amazon KDP authors in Spain forming a U.S. LLC. The primary benefit is the expedited process for obtaining your Employer Identification Number (EIN). When you apply for an EIN directly with the IRS as a non-resident without an SSN, the process can be lengthy, involving mail or fax submissions that can take several weeks. As a CAA, itin.net can submit the Form SS-4 on your behalf and, in many cases, secure your EIN within days, significantly shortening the overall formation timeline. This is particularly important for authors who need their business structure in place quickly to manage royalty payments and tax compliance.

Furthermore, a CAA provides guidance through the complex documentation requirements. We can help ensure that your application is accurate and complete, reducing the risk of errors that could lead to delays or rejections. While the state formation of the LLC is a separate process, having a CAA manage the EIN application streamlines a critical step. This expertise ensures that your application meets IRS standards, providing peace of mind and efficiency. Using a CAA simplifies the bureaucratic hurdles associated with U.S. business formation for international clients, making the process more manageable and predictable.

Next Steps After Forming Your U.S. LLC

Once your U.S. LLC is formed and you have obtained your Employer Identification Number (EIN), the next practical step is to open a U.S. business bank account. This allows you to separate your business finances from personal ones, making bookkeeping and tax preparation much simpler. Many U.S. banks require an EIN and formation documents to open an account for a non-resident-owned LLC. Services like Mercury, Relay, or Brex are popular choices for non-residents, though requirements can vary.

For Amazon KDP authors, it's essential to update your payment information with Amazon to reflect your new LLC and EIN. This ensures that royalties are paid to your business entity and that the correct tax forms (like the W-8BEN, now associated with your LLC) are on file with Amazon. You will also need to comply with any state-specific requirements, such as annual reports or franchise tax filings, depending on your state of formation. Finally, ensure you understand your U.S. tax filing obligations, which may include filing Form 5472 (Information Return of a 24% Foreign-Owned U.S. Corporation or a Foreign Corporation Engaged in a U.S. Trade or Business) annually if your LLC is single-member and foreign-owned. Reviewing pricing for LLC formation and EIN services on itin.net or contacting us directly for personalized assistance is a recommended next step.

Practical tips

  • Use the same legal name across your passport, LLC formation documents, and any IRS forms (like Form W-7 for an ITIN or Form SS-4 for an EIN) to avoid name-mismatch rejections.
  • Choose a state of formation like Wyoming or Delaware that does not impose state-level income tax on out-of-state LLCs to minimize ongoing tax liabilities.
  • Ensure your Operating Agreement clearly defines ownership percentages and distributions, even if you are the sole member, to maintain liability protection.
  • File the Beneficial Ownership Information (BOI) report with FinCEN within the required timeframe (30 days for entities formed in 2024 or later) to avoid significant penalties.
  • Update your Amazon KDP account with your new LLC's details and EIN to ensure accurate royalty payments and correct tax withholding.

Frequently asked questions

Do I need an ITIN to form a U.S. LLC as a Spanish author?

No, you do not need an ITIN to form a U.S. LLC. However, you will need an ITIN to apply for an EIN with the IRS if you do not have an SSN and are applying by phone. If you are using a Certified Acceptance Agent (CAA) like itin.net, we can assist with the EIN application without requiring you to have an ITIN first.

Can I use my Spanish address for my U.S. LLC?

You cannot use your personal Spanish address as the registered agent address or the official U.S. business address for your LLC. You will need a physical U.S. address for the registered agent. Many formation services, including itin.net, offer registered agent services that provide a U.S. address.

How does the U.S.-Spain tax treaty affect my LLC's taxes?

The U.S.-Spain tax treaty can help reduce or eliminate U.S. withholding tax on your royalty income if you correctly claim treaty benefits through your LLC and provide the necessary documentation (like a W-8BEN) to Amazon KDP. The treaty ensures that income is generally taxed only in your country of residence (Spain), provided certain conditions are met.

What is Form 5472 and do I need to file it?

Form 5472 is an IRS information return required for foreign-owned U.S. entities, including single-member LLCs owned by non-residents. If your U.S. LLC is owned by you (a Spanish resident) and has no other members, you will likely need to file Form 5472 annually along with a Form 1120 pro-forma return, even if no tax is due. Failure to file incurs significant penalties.

How long does it take to get an EIN for my LLC?

If applying directly by phone as a non-resident without an SSN, it can take several weeks. However, using a Certified Acceptance Agent (CAA) like itin.net can expedite the EIN application process, often resulting in receiving your EIN within a few business days.

Do I need to form my LLC in a specific state for KDP royalties?

No, Amazon KDP does not require you to form your LLC in a specific state. Popular choices for non-residents include Delaware, Wyoming, and Nevada due to their business-friendly laws and tax structures. The key is to choose a state that aligns with your business goals and minimizes ongoing compliance costs.

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