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

How consultants from Greece Get an ITIN

Consultants in Greece need an ITIN for U.S. tax obligations. Learn about eligibility, required documents, the application process, and common pitfalls specific to your situation.

Reviewed by , ITIN Specialist at itin.net.

Why Consultants in Greece Need an ITIN

Consultants based in Greece who earn income from U.S. clients or have other U.S. tax reporting requirements face a specific challenge: obtaining an Individual Taxpayer Identification Number (ITIN). Unlike U.S. citizens or residents eligible for a Social Security Number (SSN), individuals without an SSN who must file U.S. taxes require an ITIN. This 9-digit IRS tax identification number is essential for reporting U.S. income and complying with tax laws. While the general ITIN application process applies globally, consultants in Greece may encounter unique considerations related to documentation, U.S. tax treaty interpretations, and the logistical aspects of submitting applications from abroad.

For independent consultants, the primary trigger for needing an ITIN is receiving payments directly from U.S. clients. Without an ITIN, U.S. clients may be required to withhold taxes at a higher rate (often 30%) on payments made to you. Furthermore, if you are engaged in activities that constitute conducting business in the U.S., or if you have U.S. source income subject to reporting, an ITIN becomes mandatory for filing your U.S. tax return, typically a Form 1040-NR (Nonresident Alien Income Tax Return).

Establishing a U.S. business entity, such as a U.S. LLC, is often recommended for consultants operating internationally. This can help mitigate personal liability and improve tax efficiency. If you form a U.S. LLC, you will likely need an EIN (Employer Identification Number) for the entity, but you, as an individual owner or operator, may still require an ITIN if you receive distributions or income directly from U.S. sources that are not channeled solely through the entity and subject to its own tax filings. Understanding these distinctions is key to proper U.S. tax compliance.

ITIN Eligibility for Greek Consultants

Your eligibility for an ITIN hinges on specific U.S. tax obligations. The Internal Revenue Service (IRS) issues ITINs to individuals who need a U.S. taxpayer identification number but do not have, and are not eligible for, an SSN. For consultants in Greece, this typically arises when you have U.S. source income that is not subject to the maximum treaty withholding rate, or when you are required to file a U.S. tax return. This includes situations where you receive payments for services performed for U.S. clients, even if you perform the work remotely from Greece, if those services are considered U.S. sourced.

Another common trigger is the requirement to file certain informational returns. For instance, if you are a foreign owner of a U.S. business, you might need an ITIN to file informational returns like Form 5472, which reports transactions between a corporation and its greater than 25% foreign owner. Even if you operate as an independent consultant without a formal U.S. entity, receiving income that exceeds certain reporting thresholds, or that is subject to specific U.S. tax regulations, will necessitate an ITIN. The U.S. tax treaty with Greece may affect the taxability of your income, but it does not eliminate the need for an ITIN if a U.S. filing obligation exists. The IRS requires you to apply for an ITIN before you file the relevant tax return or informational return.

Required Documents for Your ITIN Application

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

The IRS strongly prefers a valid, unexpired passport as the primary identification document. If you do not have a passport, other acceptable documents include a national identity card, a driver's license, a birth certificate, or a foreign military identification card. Critically, you must also provide a valid federal or state tax return that you are required to file. For consultants in Greece, this is typically your U.S. tax return (e.g., Form 1040-NR) for the year you are claiming benefits or reporting income. If you are applying based on treaty benefits, you may also need to include documentation supporting your claim, such as proof of residency in Greece and details of the income earned.

When submitting Form W-7 and supporting documents, ensure all information is accurate and consistent. Mismatched names or addresses between your identification documents and the Form W-7 can lead to delays or rejection. The IRS specifies that only original identification documents or certified copies from the issuing agency will be accepted. This is a common point of confusion, as photocopies are generally not sufficient unless certified by the issuing authority.

The ITIN Application Process for Consultants

The ITIN application process involves several steps. First, accurately complete Form W-7. Ensure all fields are filled out, paying close attention to your name, address, and any U.S. tax identification numbers you may already have. You must also determine which U.S. tax return or document you are filing concurrently with your Form W-7 application.

Next, gather your supporting documentation. This includes your original or certified copy of a valid identification document (preferably a passport) and the required U.S. tax return. If you are applying through a Certified Acceptance Agent (CAA), you will present your original documents to the agent, who will verify them and send certified copies along with your application to the IRS. This eliminates the need to mail your original passport or other vital documents to the IRS.

Once your application is complete, you will submit it. You can mail your application package directly to the IRS ITIN Operation in Austin, Texas, or apply through an authorized Certified Acceptance Agent (CAA) like itin.net. Applying via a CAA is generally recommended for its convenience and security, as they verify your documentation on-site. The typical processing timeline for an ITIN application submitted directly to the IRS can range from 7 to 14 weeks. However, when applying through a CAA, you can often expect a much faster turnaround, typically within 5–10 business days for the initial verification and submission, though the IRS's final processing still takes time.

Common Application Mistakes for Greek Consultants

Consultants in Greece often make specific errors when applying for an ITIN, primarily due to the complexities of U.S. tax law and international application procedures. A frequent pitfall is failing to include a complete and accurate U.S. tax return with the Form W-7. The IRS requires you to file a valid tax return to justify the need for an ITIN, and missing or incomplete returns are a common reason for application rejection. This means you must be ready to file your relevant U.S. tax forms before or concurrently with your ITIN application.

Another common error relates to documentation. Mailing original identification documents, such as your passport, directly to the IRS is risky, as these can be lost or stolen in transit. Opting for the Certified Acceptance Agent (CAA) route ensures your original documents are verified by the agent and returned to you promptly, with only certified copies being sent to the IRS. Furthermore, incorrect treaty claims can cause significant issues. If you are attempting to claim benefits under the U.S.-Greece tax treaty, ensure you understand the specific articles that apply to your income type and that your application clearly demonstrates your eligibility according to IRS and treaty guidelines. Misinterpreting or misapplying treaty provisions can lead to delays or denial.

Incomplete or inaccurate Form W-7 submissions are also prevalent. Ensure your legal name matches exactly across all submitted documents, including your passport and tax return. Any discrepancies, even minor ones, can lead to processing delays. Finally, relying solely on the IRS address for mailing can result in longer processing times compared to using a CAA service, which streamlines the submission process and provides an extra layer of verification.

Benefits of Using a Certified Acceptance Agent (CAA)

Applying for an ITIN through a Certified Acceptance Agent (CAA) offers distinct advantages for consultants in Greece. A CAA is an individual or entity, such as itin.net, authorized by the IRS to help taxpayers apply for ITINs. The primary benefit is that CAAs can authenticate your original identification documents, such as your passport, and verify your Form W-7 application on the spot. This means you do not have to mail your original, sensitive documents directly to the IRS, significantly reducing the risk of loss or theft.

When you apply with a CAA, the agent reviews your entire application package for completeness and accuracy before submitting it to the IRS. This pre-screening process helps to catch common errors that might otherwise lead to delays or rejection, saving you time and frustration. The CAA forwards your certified application package to the IRS ITIN Operation. While the IRS still performs its own processing, the application has already passed an initial verification, which can expedite the overall timeline.

For consultants in Greece, using a CAA like itin.net simplifies the process considerably. You can complete the verification of your documents and application without needing to travel to a U.S. embassy or consulate, or mail irreplaceable documents across continents. The expertise of a CAA ensures that your application meets IRS standards, increasing the likelihood of a smooth and successful ITIN issuance. This service is particularly valuable for non-residents who may not be familiar with U.S. tax forms and procedures.

Next Steps After Obtaining Your ITIN

Once you receive your ITIN from the IRS, typically in the form of a notice called CP-565, you can proceed with your U.S. tax obligations. This includes filing your U.S. tax return (e.g., Form 1040-NR) if you haven't already done so. Your ITIN is crucial for accurately reporting your income and claiming any applicable deductions or treaty benefits. If you are required to file informational returns, such as Form 5472 for a U.S. LLC, your ITIN will be used on those forms as well.

For consultants who have established a U.S. LLC, the ITIN is necessary for your personal tax filings related to the business's income or distributions. It also enables you to open a U.S. bank account or obtain other financial services in the U.S., which can be beneficial for managing payments from clients. Having a U.S. bank account can streamline transactions and reduce international wire transfer fees.

Remember that an ITIN is generally valid for seven years, after which it may need to be renewed if you continue to have U.S. tax filing obligations. The renewal process is similar to the initial application. If you are unsure about your ongoing U.S. tax obligations or the renewal process, it is advisable to consult with a qualified tax professional. For immediate assistance with your ITIN application or to learn more about our services, review our pricing or contact us for personalized guidance.

Practical tips

  • Use the exact same legal name on your Form W-7, your passport, and any other identification documents. Discrepancies are a leading cause of ITIN application rejection.
  • Ensure your submitted U.S. tax return is complete and accurate. The IRS requires proof of a filing obligation to issue an ITIN.
  • When applying through a Certified Acceptance Agent (CAA), bring original documents. The CAA will verify them and return them to you, sending certified copies to the IRS.
  • If you are claiming benefits under the U.S.-Greece tax treaty, clearly reference the specific treaty article and provide supporting documentation demonstrating your eligibility.
  • Confirm that your U.S. client is correctly reporting payments made to you on their U.S. tax forms, as this may impact your own filing requirements.

Frequently asked questions

Can I get an ITIN if I live in Greece and have never been to the U.S.?

Yes, you can obtain an ITIN even if you reside in Greece and have never visited the U.S. The ITIN is for individuals who have U.S. tax obligations but cannot get an SSN. If you earn U.S. source income or are required to file a U.S. tax return, you are eligible to apply.

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

The IRS processing time for ITIN applications can vary significantly. When applying through a Certified Acceptance Agent (CAA) like itin.net, the initial verification and submission process is quick, often completed within days. However, the IRS's final processing can take anywhere from 7 to 14 weeks. Applying directly to the IRS without a CAA typically results in longer overall wait times.

What is the most common mistake Greek consultants make on Form W-7?

The most common mistake is failing to include a complete and accurate U.S. tax return with the Form W-7. Without this, the IRS has no basis to issue an ITIN. Another frequent error is submitting incomplete or inconsistent identification documents, especially mismatched names.

Do I need an ITIN if my U.S. client withholds taxes?

If your U.S. client is withholding taxes on your behalf, it generally indicates a U.S. tax obligation exists. You will likely still need an ITIN to file a U.S. tax return (Form 1040-NR) to report the income and potentially claim refunds or treaty benefits. The withholding is an advance payment, not a substitute for filing.

Can I use my Greek driver's license as identification for my ITIN application?

While a passport is the preferred identification document, other foreign government-issued identification documents may be accepted, such as a national identity card or a driver's license. The IRS will review the document to ensure it is valid, contains your photograph, name, address, date of birth, and expiration date. It's best to check the IRS guidelines or consult with a Certified Acceptance Agent for specifics.

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

The U.S.-Greece tax treaty affects how your income is taxed and potential withholding rates, but it does not eliminate the need for an ITIN if you have a U.S. filing requirement. You may need to reference specific articles of the treaty in your application to claim benefits, but the ITIN itself is issued based on your need to file U.S. taxes.

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