Skip to main content
itin.net
Illustration for an ITIN article aimed at ecommerce brand owners based in Greece
ITIN15 min read

How ecommerce brand owners from Greece Get an ITIN

Ecommerce brand owners in Greece need an ITIN for U.S. tax filings. Learn the eligibility, documentation, and application process, including how a Certified Acceptance Agent simplifies obtaining your ITIN.

Reviewed by , ITIN Specialist at itin.net.

Why Ecommerce Brand Owners in Greece Need an ITIN

Ecommerce brand owners in Greece face unique U.S. tax obligations, often triggered by platforms like Amazon, Shopify, or eBay when conducting business and earning income within the United States. Unlike U.S. citizens or residents who use a Social Security Number (SSN), individuals without an SSN who must file U.S. taxes require an Individual Taxpayer Identification Number (ITIN). This requirement stems from U.S. tax law, which mandates reporting and payment of taxes on income sourced from U.S. activities, regardless of the owner's physical location.

Without an ITIN, you may encounter significant issues with U.S. payment processors, tax authorities, or even the platforms themselves. This can lead to withheld payments, penalties, or an inability to legally operate your U.S.-facing business activities. For Greek ecommerce sellers, establishing a U.S. presence, even virtually, necessitates compliance with these U.S. tax regulations. The ITIN serves as your official tax ID for these purposes, enabling you to file U.S. tax returns accurately and avoid potential legal and financial complications.

Navigating these requirements from Greece can seem complex, especially when dealing with unfamiliar U.S. tax forms and procedures. The process involves specific documentation and adherence to IRS guidelines. Understanding when an ITIN is mandatory versus optional is the first step toward ensuring your ecommerce business remains compliant and avoids costly errors. The primary trigger is typically the requirement to file a U.S. tax return, such as Form 1040-NR (U.S. Nonresident Alien Income Tax Return), or to meet specific reporting obligations.

ITIN Eligibility and Triggers for Greek Ecommerce Sellers

You require an ITIN if you need to file a U.S. tax return or fulfill specific IRS reporting requirements, and you do not have, and are not eligible to obtain, an SSN. For ecommerce brand owners in Greece, this most commonly arises when you generate income from U.S. sources. This income could stem from selling products directly to U.S. customers, utilizing U.S.-based fulfillment centers, or engaging in other business activities that establish a U.S. nexus.

A common trigger is the requirement to file Form 1040-NR. This form is used by nonresident aliens to report income effectively connected with a U.S. trade or business, or other U.S.-sourced income. Another significant trigger is the requirement to file Form 5472, an informational return for certain U.S. business activities of foreign-owned corporations. If you have established a U.S. LLC to manage your operations, operate your business through a U.S. branch, or have specific ownership structures that fall under Section 6038A, Form 5472 may be mandatory, and an ITIN is necessary to file it.

Furthermore, receiving certain types of U.S. income that are subject to U.S. tax withholding, even if you are not actively trading in the U.S., may necessitate filing a tax return to claim treaty benefits or a refund. The Greece-U.S. tax treaty may offer reduced withholding rates, but claiming these benefits often requires filing a U.S. tax return, thus triggering the need for an ITIN. Platforms like Amazon often require a U.S. tax identification number (either SSN or ITIN) for sellers, particularly for those selling into the U.S. market, to comply with their own reporting obligations to the IRS.

Essential Documents for Your ITIN Application

To apply for an ITIN, you must submit a completed Form W-7, Application for IRS Individual Taxpayer Identification Number. This form requires detailed personal information, including your name, foreign address, and U.S. taxpayer identification number (if applicable). Alongside the Form W-7, you must provide original identification documents or certified copies from the issuing agency to prove your identity and foreign status.

The IRS strongly prefers a valid passport as the primary identification document. If you possess a U.S. visa, it should also be submitted. Other acceptable identity documents include a national identity card, foreign driver's license, or civil birth certificate, though these may require additional supporting documentation to prove foreign status. For ecommerce brand owners, ensure the name on all submitted documents precisely matches the name you use on your Form W-7 and any associated tax returns.

Crucially, you must also include a U.S. federal income tax return (or a statement explaining why you are exempt from filing). For many ecommerce sellers, this will be Form 1040-NR, or potentially Form 5472 if you have established a U.S. LLC. If you are claiming tax treaty benefits under the Greece-U.S. tax treaty, you will need to correctly identify the relevant treaty article and withholding rate on your tax return. Any errors or omissions in these documents can lead to delays or rejection of your ITIN application. You can find detailed lists of acceptable documents on the IRS website, but a passport is generally the most straightforward option.

The ITIN Application Process for Greek Residents

The ITIN application process begins with gathering your identification documents and preparing the necessary U.S. tax return. Once these are assembled, you have several options for submitting your Form W-7 application to the IRS. The most common method for individuals seeking an ITIN is through a Certified Acceptance Agent (CAA), such as itin.net. This is often the fastest and most secure way to obtain your ITIN.

When applying through a CAA, you will present your original identification documents to the agent, who will verify them and forward your Form W-7 application and supporting tax return directly to the IRS. The CAA handles the initial verification, meaning you do not have to mail your original, irreplaceable documents to the IRS. This process typically takes about 5–10 business days for the IRS to issue the ITIN once they receive the application from the CAA. This significantly reduces the risk of losing your vital documents.

Alternatively, you can apply directly with the IRS by mail or in person at an IRS Taxpayer Assistance Center (TAC) that offers ITIN application services. Mailing your application means sending your original documents to the IRS service center, which can take 10–15 weeks for processing, plus the time for your documents to be returned. Using a TAC requires an appointment and also involves sending your documents to the IRS for processing. For ecommerce brand owners in Greece, the CAA route offers significant advantages in terms of speed and security, minimizing the risk associated with mailing original passports or other vital identification.

Common Application Mistakes for Greek Ecommerce Sellers

Ecommerce brand owners from Greece often encounter specific pitfalls when applying for an ITIN, primarily related to documentation and tax filing errors. A frequent mistake is submitting incomplete or incorrect identification documents. For instance, using expired passports or documents that do not precisely match the name on the Form W-7 will cause delays or rejections. Ensure your passport details are current and accurately transcribed.

Another common error involves the accompanying U.S. tax return. This could be an incomplete Form 1040-NR, missing required schedules, or incorrect calculations. For those establishing a U.S. LLC, errors on Form 5472, such as failing to report required information or incorrectly claiming treaty benefits, are also prevalent. It is vital to understand the filing requirements for your specific business structure and income sources.

Missing the tax filing requirement altogether is a critical mistake. You cannot obtain an ITIN solely for business purposes without an accompanying tax return (unless you meet specific exceptions, like those for certain dependents or students). For Greek ecommerce sellers, this often means misunderstanding when a U.S. tax return is mandatory. Incorrectly claiming benefits under the Greece-U.S. tax treaty, such as applying the wrong withholding rate or referencing an incorrect treaty article, is another significant pitfall. Confirming your tax residency status and the specific treaty provisions applicable to your income is essential. These errors can lead to application rejection and further delays in obtaining your necessary ITIN.

Benefits of Using a Certified Acceptance Agent (CAA)

A Certified Acceptance Agent (CAA) acts as an IRS-authorized intermediary, simplifying the ITIN application process for individuals worldwide, including ecommerce brand owners in Greece. The primary benefit of using a CAA like itin.net is that they can authenticate your original identification documents on behalf of the IRS. This means you do not have to mail your original passport or other vital documents directly to the IRS, mitigating the risk of loss or theft during transit.

CAAs are trained and certified by the IRS to review your documentation and ensure your Form W-7 application is complete and accurate before it is submitted to the IRS. This pre-screening process significantly reduces the chances of your application being rejected due to common errors. By catching mistakes early, CAAs help expedite the overall processing timeline. The IRS typically processes applications submitted by CAAs faster, often within 5–10 business days, compared to applications sent directly by mail.

For Greek ecommerce sellers, this streamlined process is invaluable. It saves time and provides peace of mind, knowing that your sensitive documents are handled securely and your application is being processed efficiently. The expertise of a CAA ensures that your specific circumstances, such as claiming treaty benefits or meeting the requirements for a U.S. LLC, are correctly addressed in your application. This specialized assistance is particularly helpful when dealing with the intricacies of U.S. tax law from abroad. The fees associated with using a CAA are generally modest compared to the potential costs of delays or rejections if applying independently.

Next Steps After Obtaining Your ITIN

Once you receive your ITIN from the IRS, you can proceed with your U.S. tax obligations and business setup. Your ITIN is a critical component for filing your U.S. tax return, typically Form 1040-NR, and any other required informational returns like Form 5472. Ensure you use this number on all future U.S. tax filings to maintain compliance.

For ecommerce brand owners in Greece, the ITIN is often the first step in establishing a more robust U.S. business presence. With your ITIN, you can now more easily open a U.S. bank account, which is essential for managing U.S. transactions efficiently. Services like Mercury, Relay, or Brex often require a U.S. tax ID like an ITIN or EIN to onboard non-resident founders.

Following the ITIN, you may also need an Employer Identification Number (EIN) for your business entity, especially if you form a U.S. LLC or corporation. An EIN is the business equivalent of an ITIN and is required for various business activities, including opening business bank accounts and filing business tax returns. You can apply for an EIN separately using Form SS-4. If you are considering forming a U.S. LLC, the ITIN is a prerequisite for many steps in that process. For assistance with any of these steps, review the services offered at itin.net or contact us directly.

Practical tips

  • Use your valid passport as your primary identification document for the ITIN application; it is the most universally accepted and simplifies the process.
  • Ensure the name on your Form W-7 exactly matches your passport and any other supporting documents to avoid mismatches that cause application delays.
  • If you are filing a U.S. tax return to claim treaty benefits, carefully review the Greece-U.S. tax treaty articles applicable to your income source to ensure correct claims.
  • When forming a U.S. LLC, understand that you will likely need both an ITIN for yourself and an EIN for the LLC to manage U.S. operations and tax filings effectively.
  • Consider applying for your ITIN via a Certified Acceptance Agent (CAA) to avoid mailing original identification documents to the IRS and to benefit from expedited processing.

Frequently asked questions

Can I get an ITIN solely for business purposes if I don't have U.S. income to report?

Generally, you must have a tax liability or a requirement to file a U.S. tax return to be eligible for an ITIN. Simply wanting an ITIN for general business purposes without a specific filing requirement or U.S. income is not sufficient. However, if you have a U.S. LLC, you may be required to file Form 5472, which necessitates an ITIN.

How long does it take to get an ITIN from Greece?

When applying through a Certified Acceptance Agent (CAA), the IRS typically processes ITIN applications within 5–10 business days after receipt. If you mail your application directly to the IRS, processing can take 10–15 weeks, plus mailing time.

Do I need to visit the U.S. to apply for an ITIN?

No, you do not need to visit the U.S. to apply for an ITIN. You can apply from Greece by mail or, more conveniently, through a Certified Acceptance Agent (CAA) who can verify your documents remotely or in person.

What is the difference between an ITIN and an EIN for my ecommerce business?

An ITIN is for individuals, used for personal U.S. tax filing. An EIN (Employer Identification Number) is for businesses, used for business tax filing and operations. If you form a U.S. LLC, you will need an EIN for the LLC and an ITIN for yourself if you don't have an SSN.

Can I use my Greek tax identification number instead of an ITIN?

No, your Greek tax identification number is not a substitute for a U.S. ITIN. The ITIN is specifically required by the U.S. Internal Revenue Service (IRS) for individuals who need to file U.S. taxes but do not have an SSN.

Does the Greece-U.S. tax treaty affect my ITIN application?

The treaty itself does not directly affect the ITIN application process, but it is often the reason you need to file a U.S. tax return (Form 1040-NR) to claim reduced withholding rates on U.S.-sourced income. Filing this return triggers the need for an ITIN. You must correctly reference the treaty provisions on your tax return.

Ready to Apply for Your ITIN?

Our IRS-Certified Acceptance Agents make the process simple and remote — from anywhere in the world.

  • IRS Certified
  • 5–10 Business Days
  • Money-Back Guarantee