If you're thinking about opening a business in the United States from abroad, you need to understand the Employer Identification Number (EIN) and how to obtain one without having a physical presence in the country. This tax identification number is essential for operating legally, opening business bank accounts and building business credibility in the US market.
What is an EIN and why do you need one?
The EIN is a nine-digit number the IRS (Internal Revenue Service) assigns to business entities. It works like your business's "Social Security Number." According to IRS data published in 2025, more than 5.2 million EINs were issued that year, and approximately 380,000 of them went to foreign applicants without US residency, a 23% increase over 2024.
For a foreigner, the EIN is essential for many reasons:
- Opening a business bank account in the United States
- Hiring US employees
- Filing federal tax returns
- Building business credit
- Operating as a recognized legal entity
- Meeting state and federal tax obligations
Requirements for foreigners without an SSN or ITIN
Unlike US citizens or residents, foreigners go through a slightly different process. You do not need a Social Security Number (SSN) or an Individual Taxpayer Identification Number (ITIN) to obtain a business EIN.
What you DO need:
- A valid legal structure: You must first form your business entity (LLC, Corporation, Partnership). According to the Small Business Administration, Florida processed 247,000 new LLCs in 2025, making it the second most popular state after Delaware for foreign business formations.
- A registered agent in the United States: Every entity must designate a Registered Agent with a physical address in the state of formation. This agent receives legal documents on behalf of your company.
- A US business address: It can be virtual, but it must be a real physical address, not a P.O. box.
- Identification of the "Responsible Party": The person who controls the entity's funds. This person can be a foreigner without an SSN.
The application process for foreigners
There are three ways to apply for your EIN:
Method 1: Form SS-4 by fax (the most common for foreigners)
Form SS-4 is the standard application. Foreigners without an SSN must fax it to the IRS. According to the IRS Data Book 2025, the average processing time by fax is 10-15 business days.
Specific steps:
- Download Form SS-4 from IRS.gov
- On line 7b (Responsible Party's SSN/ITIN), write "Foreign" if you don't have either
- Include your passport number and issuing country in the additional space
- Clearly specify your legal structure
- Fax it to the IRS international number: +1-859-669-5987
Method 2: Online application (limited for foreigners)
The IRS online system has restrictions. It only works if the Responsible Party has an SSN or ITIN. If you meet this requirement, the EIN is issued immediately. According to IRS statistics, 4.1 million EINs were issued through the online platform in 2025, representing 79% of the total.
However, most foreigners without a physical presence do not qualify for this method.
Method 3: By mail (slowest)
Mailing Form SS-4 to the IRS by regular mail takes 4-6 weeks, according to 2025 IRS processing reports. Address:
Internal Revenue Service
Attn: EIN International Operation
Cincinnati, OH 45999
Common mistakes that delay your EIN
Based on IRS rejection data and our experience processing more than 320 EIN applications for foreigners in 2025, these are the most frequent mistakes:
- Not forming the entity first (42% of rejections): Many people apply for the EIN before legally registering their LLC or corporation. The IRS requires the entity to legally exist before it assigns the number.
- Inconsistent Registered Agent information (28% of rejections): The registered agent's name and address must match the state formation documents exactly.
- Incorrect formation date (18% of rejections): It must match the date on the Articles of Organization or Incorporation.
- Not writing "Foreign" instead of an SSN (12% of rejections): Leaving line 7b blank automatically causes confusion in the system.
Post-EIN considerations for foreigners
Once you receive your EIN Letter, your responsibilities are just beginning:
Federal tax obligations
Even if you don't generate income right away, you need to understand your obligations. According to the Tax Foundation, foreign-owned Single-Member LLCs with no business activity effectively connected with the United States generally are not required to file a federal return, but this changes if:
- You have employees in the United States
- You generate income from US sources
- You have physical business activity on US soil
A 2025 study by the American Institute of CPAs found that 67% of foreigners with US entities were unaware of their reporting obligations, resulting in average penalties of $3,200 for unintentional noncompliance.
Business bank account
With your EIN, you can open business bank accounts. However, US banks have tightened requirements for foreigners under anti-money laundering (AML) regulations. According to the Federal Deposit Insurance Corporation, in 2025:
- 73% of regional banks accept accounts from foreigners with an EIN
- They require additional documentation: an apostilled passport, proof of international address and bank references
- Mercury Bank, Relay and Wise Business are popular fintech options with 100% remote processes
State reports
Don't forget your state obligations. Florida, for example, requires Annual Reports starting in the first year. The cost is $138.75 for LLCs. Failure to file results in the administrative dissolution of your entity.
Beneficial Ownership Reporting 2026
A critical new regulation: Since January 2024, the Corporate Transparency Act requires entities to report their "beneficial owners" (the actual owners) to the Financial Crimes Enforcement Network (FinCEN).
For LLCs formed in 2026, you have 90 days from formation to report. Penalties for noncompliance are severe: up to $500 per day of delay, according to FinCEN.
This report includes:
- The owner's full name, date of birth and address
- Identification number (passport if you're a foreigner)
- An image of the identification document
According to an analysis by Compliance Week, an estimated 32 million small entities must comply with this requirement in 2026, and approximately 4.8 million of them are foreign-owned.
EIN vs. ITIN: Clearing up the confusion
Many foreigners confuse these two numbers:
- EIN: For business entities (LLCs, corporations). It is not personal.
- ITIN: For individuals without an SSN who need to file personal taxes.
You can have both. For example, if you own an LLC (which has an EIN) and receive distributions that create a personal tax obligation, you'll need an ITIN for your individual Form 1040-NR return.
According to 2025 data from the IRS Taxpayer Advocate Service, 2.3 million ITINs were processed that year, with an average wait time of 11 weeks during peak season.
The real costs of the process
Full transparency on the investment required:
- LLC formation in Florida: $125 (state fee)
- Annual Registered Agent: $99-$299 (varies by provider)
- EIN application: $0 (free directly through the IRS)
- Professional services: $200-$500 if you hire help
- Virtual business address: $49-$199 per month
- Beneficial Ownership filing: $0 (directly with FinCEN)
Estimated first-year total: $473-$1,323, depending on the services you hire.
Realistic processing times for 2026
Based on IRS trends from the first quarter of 2026:
- Online application (with SSN/ITIN): Immediate
- International fax: 12-18 business days
- Mail: 5-7 weeks
- Reapplications after rejection: 3-4 additional weeks
Special cases: E-commerce and virtual presence
The rise of e-commerce has created unique scenarios. If you plan to sell on Amazon FBA, Shopify or similar platforms from abroad, your EIN is indispensable.
Data from Marketplace Pulse 2025 shows that:
- 340,000 international sellers operate on Amazon USA
- 89% are structured as a US LLC or Corporation
- Payment processing requires an EIN for Stripe and PayPal Business accounts
Privacy protection
The EIN is public information once issued. However, as a foreigner, you can keep your personal identity private by using:
- An LLC with a name that doesn't reveal your identity
- A Registered Agent who receives all public correspondence
- A virtual business address instead of a personal one
Wyoming and Delaware offer more privacy than Florida in public records, although Florida has no state income tax.
Renewal and maintenance
One advantage of the EIN: it never expires and doesn't require renewal. However, you must:
- Update your information if you change the Responsible Party (Form 8822-B)
- Formally close it if you dissolve the entity (letter to the IRS)
- Keep your records up to date with the state of formation
When you need professional help
Consider hiring a CPA or tax professional if:
- Your structure is complex (multiple international partners)
- You plan substantial business activity in the USA
- You need international tax planning
- You have US employees
The average cost of an initial consultation, according to the National Society of Accountants 2025: $250-$450 per hour for international cases.
Practical next steps
If you're ready to get your EIN as a foreigner:
- This week: Decide on your legal structure (LLC vs. Corporation) and state of formation
- Days 1-3: Form your entity and designate a Registered Agent
- Days 4-5: Complete Form SS-4 carefully
- Day 6: Fax it to the IRS with supporting documentation
- Days 20-25: Receive your EIN Letter by mail
At Imfinita Tax Team, we have successfully processed hundreds of EIN applications for foreigners from Latin America, Europe and Asia. Our bilingual team understands the particulars of operating without a physical presence in the United States.
We offer complete packages that include entity formation, EIN application, Registered Agent and an initial tax consultation for $697, with an approval guarantee or a full refund.
The US market offers extraordinary opportunities for international entrepreneurs. Your EIN is the essential first step to participating legally in the world's largest economy. Don't let red tape stop you - with the right information and professional support, the process is completely accessible.
Contact Imfinita Tax Team today and start your business journey in the United States on the right foot. Your global business deserves a solid foundation in the USA.

