How can non-US residents register a US LLC and obtain an EIN (Employer Identification Number)? This 2025 step-by-step guide explains how to complete Form SS-4, apply without an SSN, receive your CP575 confirmation letter, and avoid common IRS rejection mistakes. SpeedEIN offers fast and accurate EIN filing services with delivery in just 7–10 business days.
1. Overview: EIN Is Essential for Every Non-US LLC or Corporation
More and more global entrepreneurs are registering US LLCs or Corporations for international business, payment processing, and platform access (Amazon, Stripe, PayPal, etc.). An EIN (Employer Identification Number) is mandatory for tax filings, bank accounts, and regulatory compliance.
However, applying for an EIN as a non-resident is not as straightforward as many think. Based on IRS rules and SpeedEIN’s service expertise, here’s a detailed breakdown of the process and common mistakes to avoid in 2025.
2. Full Steps to Register a US Company and Get an EIN
- Select your company type (LLC or Corporation)
- Choose a registration state (e.g., Delaware, Wyoming, New Mexico)
- File articles of formation (manually or via agent)
- Prepare IRS Form SS-4 carefully
- Submit via fax (or authorize a service provider)
- Receive EIN from IRS
- Wait for IRS to mail the CP575 confirmation letter
3. Common Reasons Why EIN Applications Get Rejected
| Error Type | Common Issues | Consequences |
|---|---|---|
| Form Errors | Blank fields, typos on SS-4 | No IRS reply or rejection |
| Address Mistakes | Using virtual or PO Box addresses | CP575 not delivered |
| Responsible Party Issues | Missing or incorrectly filled info | IRS cannot verify identity |
| SSN Field Incorrect | Leaving blank or not writing “Foreign – no SSN” | IRS automatically rejects |
4. SpeedEIN: Fast & Reliable EIN Filing for Foreigners
According to SpeedEIN.com, their EIN filing service provides:
- EIN delivery in 7–10 business days
- CP575 letter mailed within 10–15 days after EIN issuance
- Correct SS-4 preparation for non-US applicants
- Multilingual support (English, Chinese, Japanese, Korean, Spanish, etc.)
- No hidden fees, clear pricing
5. SpeedEIN vs. DIY Application: Comparison Table
| Feature | DIY Application | SpeedEIN Service |
|---|---|---|
| Processing Time | 4–8 weeks or more | 7–10 business days |
| Success Rate | Often delayed or rejected | Over 98% success rate |
| Language Support | English only | Supports 14+ languages |
| CP575 Handling | No guidance, no address validation | Advises on U.S. mailing address use |
6. Final Advice: Don’t Risk EIN Rejection or Delays
For non-US residents, applying for an EIN involves many technical details. A small mistake in Form SS-4 can lead to rejection or no response from the IRS. Worse, you may never receive your CP575 letter, which is required by most US banks and platforms.
SpeedEIN helps you file correctly, quickly, and with multilingual guidance. Focus on growing your business — we’ll handle the bureaucracy.
👉 Apply now at SpeedEIN and receive your EIN faster.
References
- IRS Publication 1635 – Understanding Your EIN
- IRS Publication 583 – Starting a Business and Keeping Records
- SpeedEIN Official Website