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Illustration for an U.S. LLC article aimed at Substack writers based in Hong Kong
LLC15 min read

How Substack writers from Hong Kong Get a U.S. LLC

Hong Kong Substack writers can form a U.S. LLC to manage U.S. tax obligations and enhance business credibility. Learn the process, required documents, and common pitfalls.

Reviewed by , ITIN Specialist at itin.net.

The friction point for Hong Kong Substack writers: U.S. tax reporting

Substack writers in Hong Kong face a specific challenge when their earnings cross into U.S. tax territory. While Hong Kong has its own tax system, payments processed through U.S. platforms like Stripe, especially those originating from U.S. subscribers, can trigger U.S. tax reporting requirements. Without a U.S. business entity, these writers may receive 1099 forms from payment processors, necessitating the filing of U.S. tax returns. This often requires obtaining an Individual Taxpayer Identification Number (ITIN) for personal filings or an Employer Identification Number (EIN) for a business entity. Forming a U.S. LLC provides a clear structure for handling these U.S. tax obligations, separating business income from personal income and offering liability protection. It also simplifies compliance with IRS regulations, particularly regarding informational returns like Form 5472. The process of establishing a U.S. LLC as a non-resident is straightforward, but understanding the specific triggers and documentation is key for writers based in Hong Kong.

When a U.S. LLC becomes necessary for Hong Kong Substack writers

A U.S. LLC is often triggered for Hong Kong Substack writers by the nature of their income stream and payment processing. When Stripe, or another U.S.-based payment processor, issues a Form 1099-NEC or 1099-MISC to a non-U.S. person, it signals that the IRS considers this U.S.-sourced income. While not strictly mandatory for non-residents to form a U.S. entity solely based on a 1099, doing so is highly advisable for tax efficiency and legal protection. It allows for the application of an EIN (Employer Identification Number), which is crucial for opening a U.S. bank account and for filing U.S. business tax returns like Form 1120-F or informational returns such as Form 5472. Without an LLC, you would typically need an ITIN to file a U.S. personal tax return (Form 1040-NR) to report this income and potentially claim treaty benefits, though no U.S.-Hong Kong income tax treaty exists. The LLC structure streamlines this by creating a distinct U.S. business presence, making tax compliance more manageable and providing a layer of protection against personal liability for business debts or lawsuits.

Essential documents for forming a U.S. LLC

Forming a U.S. LLC requires specific documentation to establish the entity with the chosen state's filing authority. The primary document filed with the state is the Articles of Organization. This document typically includes the LLC's name, the name and address of the registered agent, and sometimes the names of the organizers. The registered agent is a designated individual or service within the U.S. responsible for receiving official legal and tax documents on behalf of the LLC. For non-residents, securing a reliable U.S. business address and registered agent service is a critical step. Following the state's approval of the Articles of Organization, you will need an Operating Agreement. This internal document outlines the ownership, management structure, and operational procedures of the LLC. While not filed with the state, it is a vital component for the LLC's governance and is often requested by banks and other financial institutions. The IRS also requires an EIN for tax administration, which is obtained by filing Form SS-4 with the IRS after the LLC is formed. You will need a copy of your passport to verify your identity for the formation process and potentially for the EIN application.

Step-by-step U.S. LLC formation and EIN application

The process of forming a U.S. LLC for Substack writers in Hong Kong 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. Once the state is chosen, you will file the Articles of Organization with the Secretary of State. This step typically takes 5–10 business days, although expedited options are often available, potentially returning results within 1–2 business days. Concurrently or immediately after formation, you will need to appoint a registered agent. After the state approves your formation documents, the next critical step is applying for an Employer Identification Number (EIN) from the IRS. This is done by submitting Form SS-4. Non-residents without a U.S. Social Security Number (SSN) must apply for an EIN by mail, fax, or through a Certified Acceptance Agent. The IRS processing time for EIN applications can vary, typically ranging from 4–10 business days when applying by fax or mail, and can be significantly faster when using a CAA. Once the EIN is issued, you can proceed to open a U.S. bank account, which is essential for managing your Substack earnings and business expenses separately.

Common mistakes for Hong Kong Substack writers forming a U.S. LLC

Substack writers in Hong Kong forming a U.S. LLC can encounter specific errors related to U.S. tax compliance and operational setup. A prevalent mistake is neglecting the Beneficial Ownership Information (BOI) reporting requirement, also known as the Corporate Transparency Act (CTA) filing, which is due to FinCEN within 90 days of formation for entities formed in 2024. Failure to file this can result in substantial penalties. Another common oversight is skipping the creation of an Operating Agreement. This internal document is crucial for defining ownership and operational rules, and its absence can lead to disputes and difficulties with financial institutions. Furthermore, choosing a formation state like California or New York without understanding their high franchise tax implications can lead to unexpected costs. For writers relying on Stripe payouts, ensuring the EIN is correctly associated with the LLC and the bank account is vital to avoid reporting issues. Finally, failing to understand the U.S. tax nexus rules can lead to unintended tax liabilities in states where the business might not have a physical presence but conducts significant economic activity.

The advantages of using a Certified Acceptance Agent (CAA)

For non-residents like Substack writers in Hong Kong, obtaining an EIN can be a hurdle due to the lack of a U.S. Social Security Number (SSN). The IRS offers a pathway through Certified Acceptance Agents. A CAA acts as an intermediary, verifying your identity and the accuracy of your Form SS-4 application before submitting it to the IRS on your behalf. This is particularly beneficial because non-residents typically have to mail or fax their SS-4 applications, which can lead to longer processing times and potential delays or rejections due to incomplete information. By using a CAA, such as itin.net, you can often receive your EIN much faster, sometimes within days rather than weeks. The CAA service ensures that all required information is correctly provided, reducing the risk of errors that could delay the issuance of your EIN. This expedited process is invaluable for writers eager to set up their U.S. business infrastructure, open a U.S. bank account, and begin managing their Substack earnings efficiently.

Next steps after forming your U.S. LLC

With your U.S. LLC formed and your EIN secured, the next logical steps focus on operationalizing your business and ensuring ongoing compliance. Open a dedicated U.S. bank account using your EIN and formation documents. This is crucial for separating personal and business finances and for facilitating smooth Stripe payouts. You will also need to understand your U.S. tax filing obligations, which may include annual reports to the state of formation and federal informational returns like Form 5472 if you are a foreign-owned U.S. LLC. Remember the Beneficial Ownership Information (BOI) filing with FinCEN, which is a separate requirement from state filings. For Substack writers in Hong Kong, staying informed about these U.S. compliance requirements is essential to avoid penalties and maintain a professional business presence. Review the pricing for our LLC formation services at itin.net or contact us for personalized guidance.

Practical tips

  • Use the exact same legal name on your passport, Articles of Organization, and Form SS-4 to avoid identity verification issues with the IRS.
  • When filling out Form SS-4 for an EIN, designate yourself or your appointed manager as the responsible party; do not leave this blank.
  • Ensure your chosen registered agent service provides a physical U.S. business address suitable for official mail and tax notices.
  • Keep digital and physical copies of all formation documents, your Operating Agreement, and your EIN confirmation letter (CP-575) in a secure location.
  • Mark your calendar for the Beneficial Ownership Information (BOI) filing deadline with FinCEN, which is 90 days after your LLC's formation date in 2024.

Frequently asked questions

Do I need a U.S. visa to form a U.S. LLC as a Hong Kong resident?

No, a U.S. visa is not required to form a U.S. LLC. Non-residents can form an LLC in any U.S. state without needing to be physically present in the United States or holding a U.S. visa.

What is the typical timeline for a Hong Kong resident to get a U.S. LLC and an EIN?

Forming a U.S. LLC typically takes 5–10 business days. Obtaining an EIN after formation can take another 4–10 business days if applying by mail/fax, or potentially much faster if applying through a Certified Acceptance Agent.

Can I open a U.S. bank account for my LLC with just my Hong Kong ID?

Generally, no. Most U.S. banks require an EIN and a U.S. business address to open an account for an LLC. Some online banks or neobanks may have slightly different requirements, but the EIN is almost always mandatory. A passport will be needed as identification.

Do I need to pay U.S. income tax on my Substack earnings if I have a U.S. LLC?

Your U.S. LLC itself will be subject to U.S. tax rules. Whether you owe U.S. income tax personally depends on various factors, including whether your income is considered U.S.-sourced and if any tax treaties apply. As there is no U.S.-Hong Kong income tax treaty, specific U.S. tax advice is recommended.

What is the Beneficial Ownership Information (BOI) filing, and do I need it?

Yes, most U.S. entities, including LLCs, must file a Beneficial Ownership Information (BOI) report with the Financial Crimes Enforcement Network (FinCEN). This report discloses information about the individuals who ultimately own or control the company. For entities formed in 2024, the deadline is 90 days after formation.

Can I use my Hong Kong address for my U.S. LLC formation?

You cannot use your Hong Kong address as your official U.S. business address or registered agent address. You will need to obtain a U.S. business address and a U.S. registered agent service, which can be provided by formation services like itin.net.

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