Is an EIN Mandatory After Forming an LLC as a Non-U.S. Resident? Full Explanation of Risks and Requirements

Thinking of forming an LLC in the U.S. as a non-resident? Here’s why getting an EIN is not optional. Learn the legal requirements, the risks of not having an EIN, and how to avoid costly mistakes when applying. SpeedEIN helps you apply safely and efficiently.

🧭 What is an LLC and Why is It Popular with Global Entrepreneurs?

An LLC (Limited Liability Company) is the most popular U.S. business structure due to:

  • ✅ Simple formation and low cost
  • ✅ Limited personal liability
  • ✅ Open to non-U.S. residents
  • ✅ Accepted by major payment processors like Stripe and Amazon

However, forming an LLC is just the first step. Getting an EIN is essential to making your business functional.


❓ Is an EIN Really Required After Forming an LLC?

Yes — it’s essential.

PurposeEIN Required?Why
Opening a U.S. bank account✅ YesMost banks require EIN
Registering on Stripe, PayPal, etc.✅ YesCompliance and verification
Hiring employees or paying salaries✅ YesIRS requirement
Filing IRS Form 5472 (foreign-owned)✅ YesMandatory for tax compliance
Keeping a dormant LLC (no income)⚠️ RecommendedPrevent misunderstanding with IRS

📊 EIN Necessity Matrix for Non-U.S. LLC Owners

Use CaseNeed EIN?Risk LevelRecommended Action
Opening bank or credit accounts✅ YesHighApply immediately
Registering on Amazon/Stripe✅ YesHighRequired before launch
Dormant (no-activity) LLC⚠️ YesMediumSafer to apply
Investment holding LLC⚠️ YesMediumAvoid misclassification
Migrating from Sole Proprietor✅ YesHighEIN is mandatory

🛑 Without an EIN, your LLC is almost unusable — you risk rejection by banks and platforms.


⚠️ Common EIN Mistakes Made by Non-U.S. Applicants

According to IRS Publications 1635 and 583, here are major pitfalls:

MistakeConsequence
Incorrectly filling SS-4 formIRS rejects silently, no feedback
Using invalid or borrowed U.S. addressCP-575 notice gets lost, EIN unverifiable
Choosing wrong entity typeRisk of C-Corp taxation or legal conflict
Failing to file Form 5472$25,000 fine per instance
Using shady or non-compliant servicesRisk of info leak, IRS flagging or future legal issues

🧾 What is CP-575 and Why Is It So Important?

CP-575 is the official IRS EIN confirmation letter, mailed to the address on Form SS-4. It includes:

  • EIN
  • Business name
  • Entity type
  • Date of issuance
  • IRS contact info
DocumentDigital CopyNotes
CP‑575❌ Not availableOnly mailed by IRS to U.S. address
SS‑4 Copy✅ YesProvided by SpeedEIN as proof backup

📬 Without CP‑575, you may:

  • Fail to open bank accounts
  • Be denied by Stripe/Amazon
  • Be unable to prove EIN legitimacy

🆚 DIY vs SpeedEIN: Which Is Safer?

ProcessDIYSpeedEIN Service
SS-4 Form Completion✅ Possible (risky)✅ Fully handled
Error Review❌ None✅ Verified by experts
IRS Communication❌ Hard to track✅ Updates by email
Language Support❌ English only✅ 15 languages supported
Risk of IRS rejection❌ High risk✅ Refund or resubmit

🛡️ SpeedEIN ensures a fully compliant and error-free process tailored for non-U.S. residents.


✅ Conclusion: Forming an LLC is Only the Beginning — EIN is Your Gateway

  • EIN is critical for banking, compliance, and credibility
  • Most self-filers get rejected silently
  • IRS does not email — CP‑575 only arrives by U.S. mail
  • SpeedEIN provides a safe and fast solution, no U.S. SSN required