How to Get an EIN Without an SSN: The Non-Resident Guide

For many international entrepreneurs forming a U.S. LLC, getting the EIN is the most mysterious step — and the one surrounded by the most misinformation. The good news: you do not need a Social Security Number (SSN) to obtain one. This guide explains, without jargon and without tax promises, what the EIN actually is, how a non-resident completes Form SS-4, what timelines to expect, and which mistakes get an application rejected.

What is the EIN and what is it for?

The EIN (Employer Identification Number) is your LLC's federal tax identifier, assigned by the IRS (the U.S. tax authority). It is the equivalent of a company number: a nine-digit code that identifies the entity, without saying anything about what it will or will not have to pay.

In practice, the EIN is required to:

• Open a U.S. bank account in the LLC's name: no neobank or traditional bank opens a business account without an EIN.
• Activate payment platforms (Stripe, marketplaces, processors) that require a tax identifier for the entity.
• File returns where applicable with the IRS — their nature depends on your situation and is a matter for a professional.

In short: the EIN is your LLC's tax "ID card." Without it, no bank and no payment platform. It is an administrative identifier, not a tax decision.

Do you need an SSN to get an EIN?

This is the central question, and the answer is clear: no.

The SSN (Social Security Number) is reserved for U.S. residents and workers. A foreign entrepreneur does not have one — and that is not an obstacle. The IRS explicitly provides a route for people who have neither an SSN nor an ITIN (the ITIN being an individual tax number for certain non-residents).

The key nuance comes down to method:

• With an SSN or ITIN: the EIN application can be made online, and the EIN is issued immediately.
• Without an SSN or ITIN (the non-resident case): the online route is not available. You file Form SS-4 by fax or mail. It is slower, but fully provided for by the IRS.

Owning an LLC without an SSN is equally possible; we cover it in the pillar guide How to Form a U.S. LLC as a Non-Resident.

How do you complete Form SS-4 without an SSN?

The SS-4 is the EIN application form. Filled out cleanly, it goes through the first time; filled out carelessly, it gets rejected. The key points for a non-resident:

• Exact LLC name. It must match the name on the Articles of Organization word for word. The smallest divergence (abbreviation, punctuation) creates an inconsistency.
• Responsible party. This is the individual who actually controls the LLC — you, as the owner. Their name must be stated clearly.
• "Foreign" in place of the SSN. On the line for the responsible party's SSN/ITIN/EIN, when they have none, you write "Foreign." This is precisely what flags a foreign owner without a U.S. number to the IRS.
• Consistent address. The responsible party's address and the LLC's address must be logical and aligned with the rest of the file.
• Entity type and reason. You check the entity type (LLC) and the reason for applying (forming a new company, usually).

Fax or mail: what is the real timeline?

Without an SSN or ITIN, there are only two channels: fax and mail. The instant online option is open only to holders of an SSN or ITIN.

These timelines are indicative and fluctuate with the IRS workload. No intermediary controls the agency's internal calendar: what can be controlled is the quality of the filing.

In short: without an SSN or ITIN, fax or mail only. Fax is faster; expect anywhere from a few days to several weeks depending on the channel and the IRS workload.

What mistakes get an EIN application rejected?

A rejection or delay almost always stems from a poorly completed SS-4 or an inconsistency between the form and the company documents. The most common causes:

• LLC name that does not match the articles (typo, abbreviation, different word order).
• Inconsistent address between the SS-4, the articles and the rest of the file.
• Mishandled responsible party field: left blank, or a made-up SSN/ITIN instead of the "Foreign" note.
• Missing checkbox for entity type or reason for applying.
• Form illegible by fax (poor send quality).

What do you do once the EIN is obtained?

When the IRS assigns the EIN, it issues an official notification (the CP 575 letter). Keep this scanned document carefully: it will be requested at the next step.

That next step is opening a U.S. bank account. You never open an account before you have the EIN; once the EIN is in hand, neobanks such as Mercury or Relay open accounts for non-resident-owned LLCs, remotely. The step-by-step procedure, document by document, is detailed in our guide Opening a Bank Account for a Non-Resident LLC.

Can you speed up getting the EIN?

To a degree, yes — but with a clear head.

• Fax beats mail. Channel for channel, fax is consistently faster than postal mail, especially from abroad.
• A clean SS-4 avoids delays. The biggest source of slowness is not the channel but the rejection: a consistent form the first time saves you weeks of re-sending.
• Beware of "guaranteed 24 hours." No method guarantees an EIN in 24 hours without an SSN. Promises that sound too good ignore a simple reality: the timeline depends on the IRS, not the intermediary. Serious support secures the filing — it does not "force" the agency's schedule.

How do you secure your EIN?

Getting an EIN without an SSN is accessible and well marked: passport, registered LLC, a properly completed SS-4, fax or mail. The challenge is not feasibility, but clean execution — a consistent SS-4, filed correctly the first time, through the right channel.

That is exactly what we handle in our LLC formation packages: the formation, the registered agent and EIN support, with no surprises.

To understand the full journey (state, articles, EIN, bank), see also our guide Wyoming LLC: The Complete Guide and our How it works page. Have a specific question about your project? Tell us about it.