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ITIN15 min read

ITIN Tips for Shopify store owners from Greece

Shopify store owners in Greece: learn why you need an ITIN, the required documents, and how to apply efficiently. Avoid common pitfalls and get your US tax ID.

Reviewed by , ITIN Specialist at itin.net.

Why Shopify Store Owners in Greece Need an ITIN

Shopify store owners based in Greece often encounter a specific hurdle when setting up their U.S. payment processing: the need for a U.S. tax identification number. While your Shopify store serves a global market, certain U.S.-based financial services, like Stripe or Shopify Payments operating in USD, require a U.S. taxpayer identification number for compliance. For individuals without a Social Security Number (SSN), the Individual Taxpayer Identification Number (ITIN) is the solution.

This is particularly relevant for Greek entrepreneurs who may not have a physical presence or other ties to the U.S. that would qualify them for an SSN. The IRS issues ITINs to individuals who must file U.S. taxes but cannot obtain an SSN. For a Greek Shopify owner, this typically arises when you need to receive payments directly into a U.S. bank account or process transactions through U.S. payment gateways that mandate U.S. tax identification.

Many Greek entrepreneurs establish a U.S. LLC to streamline their operations and access services like U.S. bank accounts and payment processors. This U.S. business structure often necessitates obtaining an Employer Identification Number (EIN), which is separate from your personal ITIN. However, to obtain an EIN for your U.S. LLC, you may still need to provide a U.S. tax identification number for the responsible party, which can be your ITIN if you don't have an SSN.

Without the correct U.S. tax identification, you might face limitations in payment processing, potentially leading to delayed or blocked funds, or even an inability to use preferred payment providers. This can significantly impact cash flow and the operational efficiency of your e-commerce business. Understanding the ITIN application process is therefore a critical step for Greek Shopify store owners aiming for seamless U.S. market integration.

ITIN Eligibility and Triggers for Greek Merchants

Your eligibility for an ITIN hinges on having a U.S. tax filing obligation or a requirement to provide a U.S. tax identification number to a third party, and not being eligible for an SSN. For Shopify store owners in Greece, the most common triggers include:

  • Processing U.S. Payments: U.S.-based payment processors like Stripe, PayPal (operating in USD), and Shopify Payments often require a U.S. tax ID, whether it's an SSN or an ITIN. This is for their IRS reporting obligations, such as issuing Form 1099-K.
  • Opening U.S. Bank Accounts: While some international banks may serve non-residents, many U.S. banks, including online options popular with e-commerce businesses like Mercury, Relay, or Brex, require a U.S. tax ID (SSN or ITIN) to open an account. A U.S. bank account is often essential for receiving USD payouts from your Shopify store.
  • Forming a U.S. LLC: As mentioned, if you form a U.S. LLC to structure your business, you will likely need an EIN for the LLC. The responsible party for the LLC must provide their SSN or ITIN when applying for the EIN using Form SS-4.
  • U.S. Tax Filing Requirements: If your Shopify sales activity creates a U.S. tax liability (e.g., through nexus in a U.S. state, or if you are considered to be engaged in a U.S. trade or business), you will need to file a U.S. tax return, such as Form 1040-NR for non-resident aliens. Filing U.S. tax returns typically requires an ITIN if you don't have an SSN.

It's important to distinguish between needing an ITIN for yourself and needing an EIN for your business entity. While related, they serve different purposes. Your ITIN identifies you as an individual taxpayer, whereas an EIN identifies your business entity. Most Greek Shopify store owners will need both at some point.

Required Documents for Your ITIN Application

The IRS requires specific documentation to verify your identity and foreign status when applying for an ITIN via Form W-7. The primary document is your original, unexpired passport. It is the preferred form of identification because it is issued by your country of citizenship and contains your photograph, name, and date of birth.

If you do not have a valid passport, you can use a combination of other original identification documents. These must be certified copies from the issuing agency. Accepted documents include a national identity card, birth certificate, foreign driver's license, foreign voter's registration card, or U.S. state-issued driver's license. However, the IRS strongly prefers a passport.

In addition to your primary identification document, you will typically need to submit a copy of the U.S. federal income tax return you are claiming an ITIN for. For many Shopify store owners, this might be a Form 1040-NR (U.S. Nonresident Alien Income Tax Return) or potentially Form 5472 if you are reporting transactions with a foreign-owned U.S. disregarded entity or corporation. The specific tax return depends on why you need the ITIN.

If you are applying based on a tax treaty benefit claim, you may also need to include documentation supporting that claim, such as proof of residency in Greece and relevant sections of the Greece–U.S. tax treaty. Ensure all submitted documents are originals or certified copies. The IRS will return original documents by mail, but this can take several weeks.

The ITIN Application Process: Step-by-Step

Applying for an ITIN involves several key steps. The process begins with completing Form W-7, Application for IRS Individual Taxpayer Identification Number. This form requires detailed personal information, including your name, address, and foreign tax identification number (if applicable).

Next, you must prepare your supporting documentation. This includes your original identification document (preferably a passport) and a copy of the relevant U.S. tax return. For Greek Shopify store owners, this tax return is often the one you'll file to report income from your U.S. sales or for your U.S. LLC.

Once your application package is ready, you have three main options for submission. You can mail the complete package directly to the IRS in Austin, Texas. However, this method involves mailing original documents and can lead to significantly longer processing times, often several months.

A more efficient method is to apply through a Certified Acceptance Agent (CAA). These agents are authorized by the IRS to verify your original documents and forward your application. This eliminates the need to mail your originals to the IRS. The typical timeline when using a CAA is much faster, often within 5–10 business days for the IRS to process the application once received by the agent. Finally, you can also apply in person at certain IRS Taxpayer Assistance Centers (TACs), but appointments are often difficult to secure and processing times can still be lengthy.

Common Pitfalls for Greek Shopify Sellers

Greek Shopify store owners may encounter specific challenges during the ITIN application process that differ from generic applicant errors. One common issue is the mismatch between the name on Form W-7 and supporting documents like a passport. Ensure consistency across all your identification and application forms.

Another frequent mistake is submitting incomplete tax returns or omitting crucial supporting tax forms. For instance, if you are forming a U.S. LLC and need an ITIN for the responsible party when applying for an EIN, ensure you have the correct forms ready. This could involve preparing Form 5472 and its associated statements if you are a foreign owner of a U.S. disregarded entity.

Incorrectly claiming tax treaty benefits is also a pitfall. While Greece has a tax treaty with the U.S., you must ensure you meet all the conditions stipulated in the relevant treaty article for any claimed benefits. Misunderstanding or misapplying treaty provisions can lead to rejection or future IRS scrutiny.

Finally, many applicants are unaware of the strict rules regarding original documents. Mailing original passports or birth certificates directly to the IRS carries a risk of loss or delay. Opting for a Certified Acceptance Agent (CAA), such as itin.net, helps mitigate this risk by allowing the CAA to verify your original documents locally, ensuring they are returned to you promptly.

The Certified Acceptance Agent (CAA) Advantage

Applying for an ITIN through a Certified Acceptance Agent (CAA) offers significant advantages, particularly for Shopify store owners in Greece who value efficiency and security. As a CAA, itin.net is authorized by the IRS to authenticate your original identification documents, such as your passport. This means you do not have to mail your valuable original documents directly to the IRS, thus avoiding the risk of them being lost or delayed in transit.

When you apply with a CAA, the agent reviews your entire application package, including Form W-7 and your supporting documentation, for completeness and accuracy before submitting it to the IRS on your behalf. This pre-screening process significantly reduces the likelihood of your application being rejected due to common errors, such as missing information or improperly certified documents.

The processing timeline is also considerably shorter. While direct mail applications to the IRS can take many months, applications submitted through a CAA are typically processed by the IRS within 5–10 business days. This expedited process is crucial for business owners who need their ITIN quickly to finalize U.S. banking or payment processing setups.

Using a CAA provides peace of mind. You benefit from the expertise of an IRS-authorized agent who understands the intricacies of the ITIN application process. This service is part of what itin.net offers to simplify obtaining your U.S. tax ID, ensuring a smoother experience for entrepreneurs operating internationally.

Next Steps After ITIN Application

Once your ITIN application is approved, the IRS will mail you an ITIN assignment letter, typically containing the IRS document notice CP-565. Keep this letter in a safe place, as it contains your unique 9-digit ITIN. This number is permanent and must be used for all future U.S. tax filings.

With your ITIN in hand, you can now proceed with completing your U.S. business setup. This often involves opening a U.S. bank account, if you haven't already. Many U.S. financial institutions, including online options, will require your ITIN to open an account, allowing you to receive USD payments directly from your Shopify store.

You can also finalize the setup of your payment processors. If you were waiting on your ITIN to activate or fully configure services like Stripe or Shopify Payments for USD transactions, you can now complete those steps. This ensures smooth and timely receipt of your sales revenue.

If you applied for an ITIN to file a U.S. tax return, ensure you complete and submit that return by the relevant deadline. For assistance with your ITIN application or related U.S. business setup services, consider exploring the options at itin.net or contacting us directly for personalized guidance.

Practical tips

  • Use the exact same legal name on Form W-7 as it appears on your passport or other primary identification document to avoid mismatches.
  • Ensure your submitted tax return is complete and accurate for the tax year you are claiming the ITIN for; incomplete returns are a common reason for rejection.
  • If you are applying for an ITIN to establish a U.S. LLC, ensure you have already obtained or are simultaneously applying for an EIN for the LLC.
  • When using a Certified Acceptance Agent (CAA), provide all requested documents promptly to expedite the verification and submission process.
  • Keep a secure record of your ITIN once assigned. You will need it for all future U.S. tax filings and may need to provide it to U.S. financial institutions.

Frequently asked questions

Can I use my Greek Tax Identification Number instead of an ITIN for my Shopify store?

No, your Greek Tax Identification Number is not a substitute for a U.S. ITIN. U.S. financial institutions and payment processors require a U.S. taxpayer identification number (either an SSN or an ITIN) for their U.S. reporting obligations.

How long does it take to get an ITIN for my Shopify business?

When applying through a Certified Acceptance Agent (CAA) like itin.net, the IRS typically processes the application within 5–10 business days. If you mail your application directly to the IRS, it can take several months.

Do I need an ITIN if I only sell to customers outside the U.S. through Shopify?

If your Shopify store and all transactions are processed entirely outside the U.S. banking and payment system, you may not need an ITIN. However, if you use U.S.-based payment processors or open a U.S. bank account, you will likely need an ITIN or SSN.

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

An ITIN (Individual Taxpayer Identification Number) is for individuals who need to file U.S. taxes but cannot get an SSN. An EIN (Employer Identification Number) is for business entities, like a U.S. LLC, to identify the business itself for tax purposes. You may need both.

Can I apply for an ITIN and an EIN at the same time?

Yes, you can. Often, a U.S. LLC owner will need an ITIN for themselves as the responsible party when applying for the LLC's EIN using Form SS-4. Some services allow you to apply for both concurrently.

What happens if I submit incorrect information on my Form W-7?

The IRS will likely reject your application if it contains incorrect or incomplete information. They may send you a notice explaining the issue, or if the errors are significant, the application might be denied, requiring you to reapply. Using a CAA helps minimize these errors.

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