
Setting up a U.S. business as a non-resident can open access to one of the world’s largest markets. However, from an IRS perspective, the primary focus is not where the owner lives—but how the income is generated, classified, and reported.
The process involves legal, tax, and compliance considerations that differ significantly from those for U.S. residents. Many issues do not arise at filing—they begin at entity selection and structure. Understanding these foundational requirements is critical to avoid penalties, unexpected tax exposure, and long-term inefficiencies.
Who This Is For
This article is designed for:
- Non-U.S. residents planning to start a business in the United States
- Foreign founders investing in New York or Long Island
- Real estate investors holding U.S. property through LLCs or partnerships
- Business owners evaluating entity structures such as LLCs or corporations

Key Requirements for Non-Residents
1. Choosing the Right Business Entity
Non-residents commonly consider:
- Limited Liability Companies (LLCs)
- C-Corporations
An LLC is often used for flexibility and pass-through taxation, while a C-Corporation may be preferred for scalability or raising capital.
Important limitation:
S-Corporations are not available if any owner is a nonresident alien. S-Corporation shareholders are limited to U.S. citizens and U.S. tax residents (as defined under IRC rules). Nonresident aliens are ineligible, and their ownership will terminate the S election. A single nonresident alien shareholder will terminate an S-Corp election.
Critical tax consideration (often missed):
For nonresident owners, LLCs treated as partnerships may trigger:
- Effectively Connected Income (ECI) taxation
- Section 1446 withholding, even if profits are not distributed
This means tax obligations can arise without cash distributions, which is a common surprise for foreign owners.
2. Registering the Business
To legally operate, a business must be registered with a U.S. state. For those operating in New York, this typically involves:
- Filing formation documents with New York State
- Appointing a registered agent with a U.S. address
- Meeting publication requirements (for NY LLCs)
Even if formed in another state, businesses operating in New York may need to register as a foreign entity.
3. Obtaining an EIN (Employer Identification Number)
An EIN is required to:
- Open a U.S. business bank account
- File tax returns
- Hire employees
Non-residents without a Social Security Number must apply using Form SS-4 (via fax or mail). Online EIN applications are generally not available without an SSN, and processing timelines may be longer.
The IRS also requires a responsible party to be identified, which can affect application processing.
4. U.S. Business Bank Account
Opening a U.S. bank account is often necessary for operations. Typical requirements include:
- Formation documents
- EIN confirmation
- Identification of owners
Practical reality:
Many U.S. banks apply strict KYC (Know Your Customer) and AML (Anti-Money Laundering) rules. In practice, banks may require:
- In-person verification
- A U.S. address
- Proof of U.S. business activity
These requirements can create delays if not planned in advance.
5. Understanding U.S. Tax Obligations
Non-resident business owners are generally taxed on U.S.-source income, but the IRS distinguishes between different types of income:
Key IRS Concepts
- Effectively Connected Income (ECI):
Income connected to a U.S. trade or business, taxed at graduated rates - FDAP Income (Fixed, Determinable, Annual, or Periodical):
Passive income typically subject to withholding tax (often 30%), unless reduced by treaty
Filing Requirements (Critical for Compliance)
Depending on the structure, filings may include:
- Form 1040-NR (nonresident individuals)
- Form 1065 (partnerships)
- Form 1120 (C-Corporations)
- Form 5472 + pro forma 1120 (foreign-owned single-member LLCs — commonly missed)
Failure to file Form 5472 can result in $25,000 penalties per year, even if there is no tax due.
New York–Specific Considerations
Operating in New York introduces additional layers of compliance:
State and Local Taxes
- New York State imposes filing and reporting requirements on businesses operating within the state
- New York City may impose additional taxes depending on the structure and activity
Important clarification:
New York City does not recognize S-Corporation status. S-Corps may be taxed as C-Corporations at the NYC level under General Corporation Tax (GCT) rules.
Real Estate Considerations
For non-residents investing in U.S. real estate:
- Income is generally treated as U.S.-source income
- LLCs and partnerships must file informational returns
- Owners may have individual U.S. filing obligations
Critical rule (often overlooked):
On the sale of U.S. real estate by non-residents, FIRPTA withholding (Section 1445) may apply. This requires withholding at closing, regardless of overall gain or loss.
It is also important to distinguish:
- Property tax (based on ownership)
- Income tax (based on rental or sale income)
Where Non-Residents Get Into Trouble
From an IRS enforcement perspective, most issues arise from structure and compliance gaps, not intent.
Common high-risk areas include:
- Foreign-owned LLCs missing Form 5472 → automatic $25,000 penalty
- Ignoring Section 1446 withholding → partner-level tax exposure
- Incorrect entity selection → unintended double taxation
- Improper classification of income (ECI vs FDAP) → incorrect reporting

Common Mistakes to Avoid
1. Choosing the Wrong Entity Structure
Entity decisions affect taxation, reporting, and long-term flexibility. Errors at setup are difficult to unwind.
2. Ignoring State Registration Requirements
Operating in New York without proper registration may result in penalties or the inability to enforce contracts.
3. Misunderstanding U.S. Tax Filing Obligations
Non-residents may have filing requirements even without physical presence or distributions.
4. Lack of Proper Documentation
Incomplete or inconsistent records can delay banking, filings, and compliance processes.
How IVY Tax & Business Inc. Supports Clients
IVY Tax & Business Inc. works with non-resident founders and investors to:
- Evaluate entity structure based on IRS tax treatment
- Coordinate formation and multi-state registration
- Support EIN application and compliance requirements
- Guide U.S. tax reporting obligations (including high-risk filings like Form 5472)
- Assist with New York–specific compliance and real estate structures
The focus is not just on setup, but on building a structure that remains compliant as the business grows.
Conclusion
Setting up a U.S. business as a non-resident involves more than registration. The IRS evaluates how income is connected to the U.S., how it is classified, and whether it is properly reported.
Most compliance issues originate at the structure level, not at filing. With proper planning, clear documentation, and the right entity setup, non-resident founders can operate efficiently while avoiding unnecessary tax exposure and penalties.
Disclaimer
This content is for general educational purposes only and does not constitute tax, legal, or financial advice. Tax rules may change, and individual circumstances vary.
