Skip to main content
itin.net
Visual cover for U.S. LLC guidance for Substack writers based in Singapore
LLC10 min read

U.S. LLC Tips for Substack writers from Singapore

Substack writers in Singapore need a U.S. LLC for U.S. payments. Understand the formation process, required documents, and common pitfalls to ensure smooth operations and compliance.

Reviewed by , ITIN Specialist at itin.net.

U.S. LLC Formation for Singaporean Substack Writers

Substack writers based in Singapore face unique challenges when receiving U.S. dollar payments. While Substack itself doesn't mandate a U.S. business entity, U.S. payment processors like Stripe often require one for non-U.S. residents to avoid excessive withholding or to facilitate payouts. This is especially true as your subscriber base and revenue grow. A U.S. LLC offers a recognized business structure that helps streamline these financial operations. It provides a U.S. nexus for your business activities, making it easier to manage U.S.-based income streams and comply with U.S. tax reporting requirements, even if you are physically located in Singapore. The primary friction point is the need for a U.S. taxpayer identification number (like an EIN) to operate these entities effectively, which often necessitates forming the LLC first. This guide explains the process specifically for Singapore-based Substack creators.

When You Need a U.S. LLC as a Singaporean Substack Writer

A U.S. LLC becomes necessary for Substack writers in Singapore primarily due to U.S. payment processing requirements. If you are earning significant income from U.S.-based subscribers, platforms like Stripe may require you to provide a U.S. Employer Identification Number (EIN) or a U.S. business address to continue receiving payouts without interruption. Without a U.S. entity, you might face higher backup withholding tax rates on your earnings. The U.S. government also requires reporting on foreign-owned U.S. entities, making a formal structure like an LLC essential for transparency and compliance. While not legally mandated by Substack itself, using a U.S. LLC simplifies U.S. financial operations and tax reporting for your newsletter business. This structure is particularly beneficial if you plan to expand your U.S. customer base or engage with other U.S. services.

Essential Documents for U.S. LLC Formation

Forming a U.S. LLC involves several key documents. The primary formation document filed with the state is the Articles of Organization. This public document typically includes the LLC's name, its registered agent, and the business address. Following formation, you will need an Operating Agreement, which is an internal document outlining ownership and operating procedures. It is not filed with the state but is crucial for defining how the LLC is managed. To operate your U.S. LLC and receive payments, you will also need an Employer Identification Number (EIN), which is like a social security number for your business, obtained from the IRS by filing Form SS-4. For non-U.S. residents, you will need a copy of your passport to identify the founders. A U.S. business address, which can be a virtual office or provided by a service, is also required. If you are a Singaporean resident without a U.S. Social Security Number (SSN), you will need to apply for an ITIN to file U.S. tax returns, which may be required depending on your LLC's activities and state of formation. The IRS may also require Form 5472 for reporting transactions between the LLC and its foreign owner.

The U.S. LLC Application Process

The process of forming a U.S. LLC for Substack writers in Singapore typically begins with choosing a state for formation. Delaware, Wyoming, and Nevada are popular choices for non-residents due to their business-friendly laws and relatively low fees. After selecting a state, you file the Articles of Organization with the Secretary of State. This step establishes your LLC as a legal entity. Most states require you to designate a registered agent, a person or service company that will receive official mail and legal documents on behalf of your LLC. Once the LLC is formed, you apply for an EIN from the IRS using Form SS-4. This can be done online if you have a U.S. address, or by fax or mail if you are an international applicant without one. The typical timeline for LLC formation is 5–10 business days, though many states offer expedited filing services that can return results in as little as one business day. Obtaining an EIN can take several weeks, especially for international applicants. After formation and obtaining your EIN, you will need to set up a U.S. bank account to manage your business finances.

Common Pitfalls for Singaporean Substack Writers

Singaporean Substack writers forming a U.S. LLC commonly encounter specific issues. One frequent mistake is failing to obtain an EIN promptly after forming the LLC, which delays the ability to open a U.S. bank account or receive payments. Another oversight is neglecting the Operating Agreement; while not filed with the state, it's vital for internal governance and can prevent future disputes. For U.S. entities owned by foreign individuals, the annual reporting of the Beneficial Ownership Information (BOI) to FinCEN is mandatory, and missing this deadline can result in significant penalties. Some founders choose states like California or New York without understanding the substantial franchise tax liabilities these states impose, which can be disproportionately high for a sole proprietor newsletter writer. Finally, ensuring all documentation, especially for the EIN application and any potential ITIN applications (using Form W-7), uses consistent name and address information is critical to avoid IRS rejections.

How the Certified Acceptance Agent Path Benefits You

Using a Certified Acceptance Agent (CAA) like itin.net streamlines the ITIN application process for non-residents. When you apply for an ITIN directly with the IRS, you typically must mail original identification documents, like your passport, and wait for their return, which can take many weeks. A CAA, however, is authorized by the IRS to authenticate your identification documents in person. This means you can have your passport certified by the CAA, and they will forward a copy of your certified application package to the IRS. The benefit is that you retain your original documents, and the IRS process is often faster because the CAA has already verified your identity. This is particularly helpful for Substack writers in Singapore who may not easily travel to the U.S. to visit an IRS Taxpayer Assistance Center. The CAA acts as an intermediary, ensuring your application meets IRS standards before submission, reducing the risk of errors and delays.

Next Steps After LLC Formation

Once your U.S. LLC is formed and you have obtained your EIN, the next crucial 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 offer streamlined online account opening for non-residents. This U.S. bank account will be essential for receiving Stripe payouts and managing your business expenses separately from your personal finances. You'll also need to understand your ongoing compliance obligations, which may include state annual reports and federal tax filings, such as Form 5472 if you are a foreign-owned U.S. LLC. For Singaporean residents, consulting with a U.S. tax professional experienced in international taxation is advisable to ensure compliance with both U.S. and Singaporean tax laws. Review itin.net's LLC formation pricing or contact us for assistance with establishing your U.S. business presence.

Practical tips

  • File for your EIN immediately after your U.S. LLC is approved by the state. Delays in obtaining an EIN will delay your ability to open a U.S. bank account, which is critical for receiving Substack payments.
  • Ensure your legal name on your passport, any prior IRS documents, and your LLC formation documents are identical. Mismatched names are a common reason for IRS form rejections.
  • Understand the annual reporting requirements for your chosen state of formation and for FinCEN (Beneficial Ownership Information). Failure to comply can lead to significant penalties.
  • When applying for an ITIN using Form W-7, choose a Certified Acceptance Agent (CAA) in Singapore or one that offers remote services. This avoids mailing your original passport and speeds up the process.
  • Maintain a clear separation between your personal finances and your U.S. LLC's finances by using a dedicated U.S. bank account for all business transactions.

Frequently asked questions

Do I need a U.S. LLC if I'm a Substack writer in Singapore and only have U.S. subscribers?

While Substack itself does not mandate a U.S. LLC, U.S. payment processors like Stripe may require you to have one, or at least a U.S. EIN, to receive payouts without high withholding taxes. A U.S. LLC simplifies compliance and financial operations for U.S.-sourced income.

What is the fastest way for a Singapore resident to get an EIN for my U.S. LLC?

The fastest way is typically to apply for the EIN directly with the IRS via fax or phone after your LLC is formed. You can also use a service that specializes in EIN applications for non-residents. Expedited processing is not generally available for international applicants.

Can I use a virtual U.S. address for my LLC formation and EIN application?

Yes, you can generally use a virtual U.S. business address for your LLC formation and EIN application. However, ensure the address meets the requirements for a registered agent and for receiving official mail. Some states have specific rules regarding virtual addresses.

How does the U.S. tax treaty with Singapore affect my LLC?

There is no comprehensive U.S.-Singapore tax treaty that eliminates U.S. income tax obligations for U.S.-sourced income earned by a U.S. LLC. You will likely still need to comply with U.S. tax filing requirements, such as filing Form 5472, even if you don't owe U.S. income tax due to foreign tax credits or other provisions.

What are the ongoing compliance costs for a U.S. LLC as a Singaporean resident?

Ongoing costs typically include state annual report fees (which vary by state), registered agent fees, and potential U.S. tax preparation fees. For example, Delaware has an annual franchise tax. You must also comply with federal requirements like the Beneficial Ownership Information (BOI) filing.

Do I need to be physically present in the U.S. to form an LLC?

No, you do not need to be physically present in the U.S. to form an LLC. Non-residents can form a U.S. LLC remotely. You will need a U.S. registered agent service to receive official mail.

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