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U.S. LLC guide for copywriters based in Portugal
LLC12 min read

U.S. LLC for copywriters from Portugal

Portuguese copywriters can simplify U.S. client payments and tax compliance by forming a U.S. LLC. Learn the process, required documents, and common pitfalls.

Reviewed by , ITIN Specialist at itin.net.

U.S. LLC Formation for Portuguese Copywriters

Portuguese copywriters serving U.S. clients often encounter a specific challenge: receiving payments from U.S. platforms and clients requires a U.S. tax identification number. While a Portuguese business entity might suffice for some local operations, U.S. clients and payment processors frequently request a U.S. tax form, such as a W-9, from their vendors. Since you are not a U.S. resident, you cannot obtain a Social Security Number (SSN). The IRS offers an Individual Taxpayer Identification Number (ITIN) for non-residents with U.S. tax obligations, but many U.S. clients and platforms prefer a more formal business structure. This is where a U.S. LLC becomes a strategic solution. It provides a U.S. business presence, a U.S. Employer Identification Number (EIN), and a clear pathway for reporting income to the IRS, even as a non-resident. This structure streamlines payment collection and helps manage U.S. tax reporting obligations effectively. It is particularly beneficial for copywriters who anticipate a steady stream of U.S. clients or work through platforms that mandate U.S. vendor registration.

When a U.S. LLC Becomes Necessary

The primary trigger for a Portuguese copywriter to consider a U.S. LLC is the requirement from U.S. clients or payment platforms for a U.S. tax identification number. Many U.S. clients, especially larger companies or those using payroll/payment services, will request a Form W-9 from U.S. vendors. As a non-resident, you cannot complete a W-9, which requires a U.S. taxpayer identification number (SSN or ITIN). Instead, you would typically provide a Form W-8BEN-E. However, some platforms or clients may insist on a U.S. entity structure for their vendor records. Forming an LLC provides you with an EIN, which can be used on substitute W-9 forms or directly on tax forms like Form 5472. Additionally, if you are receiving payments through platforms that specifically require a U.S. business entity for vendor onboarding, establishing an LLC is often the most direct solution. This is common for freelance marketplaces, advertising platforms, and direct client engagements where payment processing is standardized for U.S. businesses.

Key Documents for U.S. LLC Formation

Forming a U.S. LLC involves several key documents, starting with the Articles of Organization filed with the chosen U.S. state. This document officially creates your LLC. While not filed with the state, an Operating Agreement is a critical internal document that outlines ownership, operating procedures, and member responsibilities. It is a private contract among the LLC members. To obtain an EIN after your LLC is formed, you will need to file Form SS-4 with the IRS. The IRS will issue an EIN confirmation letter, often referred to as CP-575, once the EIN is assigned. As a non-resident founder, you will also need a copy of your passport, a U.S. business address (often provided by a formation service), and a designated registered agent in the state of formation. The registered agent is responsible for receiving official mail and legal documents on behalf of the LLC. If you are applying for an ITIN, Form W-7 is required, along with proof of identity and foreign status, such as your passport.

The U.S. LLC Formation Process and Timeline

The process begins with selecting a U.S. state for your LLC formation. Delaware, Nevada, and Wyoming are popular choices for non-residents due to their business-friendly laws and tax structures, though many states are suitable. Once the state is chosen, you file the Articles of Organization with the Secretary of State. This step typically takes 5–10 business days for standard processing. Many states offer expedited filing options, with same-day or next-day returns possible. After the LLC is officially formed, you can apply for an EIN using Form SS-4. This application can be submitted online, by fax, or by mail. Obtaining an EIN usually takes a few business days to a couple of weeks, depending on the IRS processing times. If you need an ITIN, you can apply concurrently or after obtaining your EIN. The itin.net service simplifies this entire process, handling state filings, registered agent services, and EIN applications efficiently. Our standard LLC formation is $297, with a non-resident bundle including EIN and Operating Agreement at $497.

Common Pitfalls for Portuguese Copywriters

Portuguese copywriters forming a U.S. LLC can avoid common mistakes by understanding specific risks. A frequent oversight is failing to file Form 5472 with the IRS. This form is required for foreign-owned U.S. corporations and LLCs to report transactions between the LLC and its foreign owner. Failure to file carries significant penalties, often $10,000 or more. Another pitfall is neglecting the Operating Agreement. While not filed with the state, it's crucial for defining your business structure and can help prevent future disputes. Some copywriters choose states like California or New York without realizing the substantial annual franchise tax liabilities, even for companies with minimal or no income in those states. Lastly, ensure you understand the beneficial ownership information (BOI) reporting requirements to FinCEN, which is separate from state LLC filings and requires disclosure of the individuals who ultimately own or control the company.

The Certified Acceptance Agent (CAA) Advantage

As a Certified Acceptance Agent, itin.net offers a streamlined path for obtaining your ITIN. A CAA is authorized by the IRS to assist taxpayers in obtaining ITINs. When you apply for an ITIN through a CAA like itin.net, we can authenticate your original identification documents (like your passport) and forward your application directly to the IRS. This means you do not have to mail your original passport or other vital documents, mitigating the risk of loss or delay. This service is particularly valuable for non-residents who prefer not to send sensitive documents through international mail. The CAA process also includes a review of your application to ensure it is complete and accurate before submission, reducing the chances of processing delays or rejections. This expertise ensures your ITIN application is handled with the highest degree of care and efficiency.

Next Steps After LLC Formation

Once your U.S. LLC is formed and you have your EIN, the next critical step is opening a U.S. bank account. Many U.S. banks require an EIN and Articles of Organization to open an account. Services like Mercury, Relay, or Brex are often accessible to non-residents and can be opened remotely. This U.S. business bank account is essential for separating your business and personal finances, which is a key benefit of the LLC structure. It also simplifies payment processing from U.S. clients and makes tax reporting more straightforward. Remember to comply with all ongoing state and federal filing requirements, including the annual reports and the Form 5472 filing. Review the itin.net pricing for our LLC formation services or contact us to discuss your specific needs.

Practical tips

  • Use your full legal name exactly as it appears on your passport for all LLC formation documents and IRS filings to avoid mismatches.
  • Ensure your LLC's Operating Agreement clearly defines profit and loss distribution, even if you are the sole member, to maintain liability protection.
  • File Form 5472 annually with the IRS to report transactions with your foreign-owned LLC. Penalties for non-compliance are substantial.
  • When opening a U.S. bank account, have your EIN confirmation letter (CP-575) and LLC formation documents readily available.
  • Consult with a tax professional in Portugal and the U.S. to understand how your U.S. LLC income will be treated under the Portugal-U.S. tax treaty and Portuguese tax law.

Frequently asked questions

Do I need a U.S. address to form an LLC?

Yes, you will need a U.S. business address for your registered agent and for official mail. Many formation services, including itin.net, provide this as part of their package.

Can I open a U.S. bank account as a non-resident with an LLC?

Yes, typically you can open a U.S. bank account with your LLC formation documents and EIN. Some fintech solutions are designed for non-residents and can be opened remotely.

How does the Portugal-U.S. tax treaty affect my LLC?

The treaty helps prevent double taxation. As a Portuguese resident operating an LLC, your U.S. business income may be taxable in Portugal. You should consult a tax advisor familiar with the treaty to understand your specific obligations and potential foreign tax credits.

What is Form 5472 for?

Form 5472 is an IRS information return used by foreign-owned U.S. corporations and LLCs to report certain transactions with related parties. It is mandatory and carries significant penalties for failure to file.

Do I need an ITIN if I have an EIN for my LLC?

An EIN is for your business, while an ITIN is for individuals. If you personally receive income directly from the LLC that requires U.S. tax reporting (e.g., distributions), you may need an ITIN. However, if all income is processed through the LLC and reported via the EIN, an ITIN might not be immediately necessary for your personal filing.

Can I use my Portuguese passport for LLC formation?

Yes, your Portuguese passport is a primary form of identification required for forming a U.S. LLC and can be used as proof of identity when applying for an ITIN through a Certified Acceptance Agent.

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