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U.S. LLC guide for Substack writers based in Belgium
LLC15 min read

U.S. LLC for Substack writers from Belgium

Belgian Substack writers can benefit from a U.S. LLC for business and tax purposes. Learn about eligibility, required documents, the formation process, and common pitfalls.

Reviewed by , ITIN Specialist at itin.net.

U.S. LLC Formation for Belgian Substack Writers

Substack writers based in Belgium often encounter a specific challenge when their earnings reach a certain threshold or when they wish to professionalize their operations: the need for a U.S. business entity. Unlike U.S.-based writers who might default to sole proprietorships, international creators often require a formal structure to receive payments smoothly and manage their tax obligations efficiently. This is particularly true when dealing with U.S.-based payment processors like Stripe, which may require tax identification information that aligns with a formal business entity. Forming a U.S. LLC provides a recognized structure, separates personal and business liabilities, and can simplify tax reporting. For Belgian residents, this means establishing a U.S. entity to interface with U.S. financial systems and tax authorities while still managing their primary operations from Belgium.

This process involves understanding specific U.S. regulations and how they apply to non-residents. The primary friction point for many Belgian Substack writers is the lack of a U.S. Social Security Number (SSN), which is typically required for U.S. business formations and tax filings. However, U.S. states permit non-residents to form LLCs without needing an SSN. The key is to structure the formation and subsequent tax filings correctly. This involves obtaining an Employer Identification Number (EIN) and potentially an Individual Taxpayer Identification Number (ITIN) for personal tax filings related to U.S. sourced income. The itin.net service is designed to guide non-residents through this exact process, ensuring compliance from formation to tax filing.

When a U.S. LLC Becomes Necessary

A U.S. LLC is generally not mandatory for Belgian Substack writers initially, but it becomes highly advantageous, and sometimes practically necessary, under specific circumstances. When your Substack earnings are processed through U.S. platforms like Stripe, these platforms are legally obligated to report your income to the U.S. Internal Revenue Service (IRS) if you meet certain thresholds. Without a U.S. business entity, your Social Security Number (SSN) might be requested, which non-residents typically do not possess. Alternatively, your payouts might be subject to higher U.S. withholding taxes if you cannot provide a valid U.S. tax identification number.

Establishing a U.S. LLC provides a designated U.S. tax identification number, the Employer Identification Number (EIN), which can be used for reporting purposes instead of your personal SSN. This is especially relevant if your Substack earnings are substantial or if you plan to reinvest profits into U.S.-based ventures. Furthermore, a U.S. LLC offers liability protection, shielding your personal assets in Belgium from business-related debts or legal issues arising from your Substack operations. This separation is a fundamental benefit of forming a U.S. entity, regardless of your residency.

Essential Documents for U.S. LLC Formation

Forming a U.S. LLC requires specific documentation, varying slightly by state but generally following a standard set. The foundational document is the Articles of Organization, filed with the Secretary of State in the chosen U.S. state. This document officially creates your LLC. It typically includes the LLC's name, its principal business address (which can be a virtual U.S. address), and the name and address of its registered agent. A registered agent is a designated individual or service that receives official legal and tax documents on behalf of the LLC. This is a mandatory requirement for all U.S. LLCs, especially for non-residents who lack a physical presence in the U.S.

Beyond the Articles of Organization, an Operating Agreement is a critical internal document. While not always filed with the state, it outlines the ownership structure, member responsibilities, and operational procedures of the LLC. For non-resident owners, a well-drafted Operating Agreement is vital for internal governance and can be crucial for demonstrating the LLC's legitimacy to financial institutions. Other essential items for the overall process include a copy of your passport (as proof of identity) and, crucially, your EIN, which is obtained by filing Form SS-4 with the IRS after the LLC is formed. For Belgian residents without an SSN, an ITIN may be required for personal tax filings related to the LLC's income, obtained via Form W-7.

The U.S. LLC Application Process and Timeline

The process of forming a U.S. LLC for a Belgian resident typically begins with selecting a U.S. state for formation. Delaware, Wyoming, and Nevada are popular choices for non-residents due to their business-friendly laws and privacy protections, though forming in a state without nexus requirements is key to avoid unexpected tax obligations. Once the state is chosen, the Articles of Organization are prepared and filed with the state's business registry. This filing officially establishes your LLC as a legal entity.

Following state formation, the next critical step is obtaining an Employer Identification Number (EIN) from the IRS by submitting Form SS-4. Non-residents without an SSN can obtain an EIN by mail, fax, or through a third-party service like a Certified Acceptance Agent (CAA). The typical timeline for LLC formation itself ranges from 5–10 business days, with many states offering expedited processing for an additional fee, sometimes resulting in same-day or next-day approval. Obtaining an EIN can take several weeks if applying by mail or fax, but using a CAA can significantly expedite this, often within a few business days. The total process, from state filing to having your EIN, can therefore range from 2 to 6 weeks, depending on the chosen state and the method of EIN application.

Common Pitfalls for Belgian Substack Writers

Belgian Substack writers forming a U.S. LLC can encounter specific pitfalls that differ from those faced by U.S. residents. A significant issue is forming an LLC in a state that imposes franchise taxes or requires a physical presence, such as California or New York, without understanding the implications. For non-residents, this can lead to unexpected tax liabilities and compliance burdens. It is crucial to select a state that does not require physical nexus and has minimal ongoing state taxes for LLCs, like Wyoming or Delaware.

Another common mistake is neglecting the Operating Agreement. While not always filed with the state, it is essential for defining ownership and operational rules. Failing to have one can create ambiguity and issues with financial institutions. Furthermore, many non-residents overlook the Beneficial Ownership Information (BOI) reporting requirement, which mandates filing information about the actual owners of the LLC with the Financial Crimes Enforcement Network (FinCEN) within 90 days of formation for new entities. This is a critical U.S. compliance step. Lastly, ensuring all documentation, including passports and any future tax forms like Form W-7 for an ITIN, uses consistent name and address information is vital to avoid processing delays or rejections by the IRS or state authorities.

The Certified Acceptance Agent (CAA) Advantage

For non-residents applying for an EIN or ITIN, the path through a Certified Acceptance Agent (CAA) offers distinct advantages over direct application to the IRS. A CAA is an individual or entity authorized by the IRS to assist applicants in obtaining ITINs and EINs. When you use a service like itin.net, which is a CAA, you benefit from a streamlined process for obtaining your EIN. Instead of mailing or faxing Form SS-4 and waiting weeks for a response, a CAA can review your application, verify your documentation, and transmit it directly to the IRS, often resulting in a much faster turnaround for your EIN.

This expedited process is particularly valuable for Substack writers who need their EIN promptly to set up U.S. bank accounts or to provide to payment processors. The CAA also provides a level of assurance that your application is correctly completed, reducing the risk of errors that could lead to delays. For Form W-7 applications to obtain an ITIN, a CAA can authenticate your original identification documents, such as your passport, and forward the application to the IRS, eliminating the need to mail these valuable original documents. This verification service is a significant benefit, offering peace of mind and efficiency.

Next Steps After LLC Formation

Once your U.S. LLC is formed and you have obtained your EIN, the next crucial step is to open a U.S. bank account. Many U.S. banks require an EIN and Articles of Organization to open an account for a business entity. Having a dedicated business bank account is essential for maintaining clear financial records, separating personal and business expenses, and facilitating smooth transactions with platforms like Stripe. Services like Mercury, Relay, or Brex are often accessible to non-residents and can be good options to explore.

Simultaneously, you must ensure compliance with U.S. tax filing requirements. For LLCs with a single foreign owner, this typically involves filing Form 5472 and a pro forma Form 1120 annually to report transactions between the LLC and its owner, even if no tax is due. Belgian residents who receive income through the LLC may also need to file Form 1040-NR (U.S. Nonresident Alien Income Tax Return) if they have U.S. sourced income beyond what is covered by treaty provisions, potentially requiring an ITIN obtained via Form W-7. Given the complexities, particularly concerning U.S. tax treaties and reporting obligations, it is highly recommended to consult with a qualified U.S. tax professional or utilize a service like itin.net for ongoing support and compliance.

Practical tips

  • Use the same legal name across all your U.S. business formation documents, including your passport and any future IRS filings (like Form W-7 for an ITIN), to prevent mismatched name issues.
  • Choose a U.S. state for LLC formation that does not impose significant franchise taxes or require a physical presence, such as Wyoming or Delaware, to minimize ongoing costs and compliance burdens.
  • Obtain an Operating Agreement for your U.S. LLC, even if not required by the state. This internal document clarifies ownership and operational procedures, crucial for financial institutions and clarity.
  • File Form 5472 and a pro forma Form 1120 annually if you are a single-member foreign-owned LLC. This report tracks transactions with the owner and is required even if no U.S. tax is due.
  • If you need an ITIN for personal U.S. tax filings, work with a Certified Acceptance Agent (CAA) to authenticate your identification documents and expedite the Form W-7 application process.

Frequently asked questions

Can a Belgian resident form a U.S. LLC without visiting the U.S.?

Yes, a Belgian resident can form a U.S. LLC entirely remotely. You do not need to be physically present in the U.S. to establish an LLC. All necessary documents can be filed online or through a registered agent service.

What is an EIN and why do Belgian Substack writers need one?

An EIN (Employer Identification Number) is a unique nine-digit number assigned by the IRS to business entities operating in the U.S. Belgian Substack writers need an EIN to open a U.S. bank account, report income to the IRS, and avoid potential issues with payment processors like Stripe that require U.S. tax identification.

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

An EIN is for your business entity, while an ITIN (Individual Taxpayer Identification Number) is for individuals. If you are a Belgian resident earning income through your U.S. LLC and have U.S. tax filing obligations, you will likely need an ITIN for your personal tax returns (e.g., Form 1040-NR), even if your LLC has an EIN.

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

The U.S.-Belgium tax treaty aims to prevent double taxation. It may reduce U.S. withholding taxes on certain types of income paid to Belgian residents. However, its application depends on the specific nature of your income and how your U.S. LLC is structured. Confirm specifics with a qualified tax professional.

What are the ongoing compliance requirements for a Belgian resident's U.S. LLC?

Ongoing compliance typically includes filing annual reports with the state of formation, maintaining a registered agent, and filing U.S. federal tax returns, such as Form 5472 (Information Return of a 25% Foreign-Owned U.S. Corporation or a Foreign Corporation Engaged in a U.S. Trade or Business) and potentially Form 1120-F if you are a foreign corporation.

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

You cannot use your Belgian address as your official U.S. business address or for your registered agent. You will need to obtain a U.S. business address, often provided by a registered agent service, and your registered agent must have a physical U.S. address.

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