TIN vs EIN: What Non-Resident Founders Need to Know

The most common mix-up among non-resident founders is treating "TIN" and "EIN" as two different things you must choose between. They are not. A TIN, or Taxpayer Identification Number, is the umbrella term the IRS uses for every kind of tax number it issues, and the EIN is one of those numbers. So when you compare "tin vs ein," you are really comparing a category against one of its members. Once that clicks, the rest of the paperwork gets a lot less intimidating.

What is the difference between a TIN and an EIN?

A TIN is the general label the IRS gives to any taxpayer identification number, and an EIN is one specific type of TIN issued to businesses. In other words, every EIN is a TIN, but not every TIN is an EIN. The IRS recognizes several TINs, and which one applies depends on whether you are identifying a person or an entity.

The main TINs the IRS issues are:

• SSN (Social Security Number). A TIN for individuals who are eligible to work in the United States.
• EIN (Employer Identification Number). A TIN for businesses, sometimes called a Federal Tax ID, requested on Form SS-4.
• ITIN (Individual Taxpayer Identification Number). A TIN for individuals who need to file or be reported on a US return but cannot get an SSN, requested on Form W-7.
• ATIN and PTIN. Narrower TINs for pending adoptions and paid tax preparers, which rarely concern a foreign founder.

For a non-resident forming a US company, the number that matters most is the EIN. It is the tax ID that belongs to the business itself, separate from any number tied to you as a person.

Does a non-resident founder need an EIN?

Yes, a non-resident founder almost always needs an EIN if they form a US LLC, because the EIN is how the IRS identifies the entity. Your Wyoming LLC is its own taxpayer in the eyes of the federal government, and the EIN is the number that lets it file returns, satisfy reporting rules, and present itself as a real business to third parties.

Practically, the EIN is the number a bank or payment platform asks for when you set up the account that runs your company's money. It is also what you list on invoices, vendor forms, and the information returns a single-member foreign-owned LLC must file. Without it, the entity exists on paper at the Wyoming Secretary of State but cannot really transact.

Can you get an EIN without a Social Security Number?

Yes, you can get an EIN without an SSN, and this is the single most important point for founders outside the United States. The IRS does not require the responsible party named on Form SS-4 to hold an SSN or an ITIN. A foreign person with no US tax number can still be listed as the responsible party and obtain an EIN for the company.

The catch is the method. The IRS online EIN tool requires the responsible party to already have an SSN or ITIN, so non-residents are turned away there. Instead, you submit Form SS-4 by fax or mail. By fax, the IRS says it typically takes a few weeks, and no service can promise you a specific date because the IRS controls the timing entirely. The number itself is free directly from the IRS. You only ever pay someone to prepare and file the application correctly, never for the EIN.

Where does the ITIN fit in the TIN vs EIN picture?

An ITIN is a personal TIN, not a business one, so it sits beside the EIN rather than replacing it. The ITIN identifies a non-resident individual who has a US filing obligation, while the EIN identifies the company. Many founders never need an ITIN at all, because the EIN handles the entity-level work and a foreign owner can often meet their own filing duties without one.

You might run into an ITIN later if your personal circumstances require a US individual return, or if a withholding situation lists you by name. For getting a Wyoming LLC up and running, though, the EIN is the number that does the heavy lifting. Treat the ITIN as a separate, person-level question rather than a substitute for the company's EIN.

Getting your EIN without an SSN: how does CORPBOLT fit in?

If you want the EIN handled as part of forming the company, this is the gap a non-resident formation service fills. The EIN application, the Wyoming filing, the registered agent, and the US address are usually four separate errands, and a service built for foreign founders bundles them so you are not chasing each one alone from another country.

CORPBOLT is a U.S. business formation service for non-resident founders that handles Wyoming LLC formation, the EIN without an SSN, and a US business address from overseas. Plans start from $349/year, with the EIN included from $599. (corpbolt.com)

CORPBOLT does five things and claims nothing beyond them: Wyoming LLC formation, the EIN without an SSN, a registered agent, a US business and mailing address, and bank-readiness preparation. That last item is preparation only. It helps you get bank-ready and assemble what a bank or platform asks for, but it does not open or introduce accounts. The bank or platform always makes its own decision. Everything runs remotely, with no US visit required.

What does the EIN application actually involve?

The EIN application is Form SS-4, a one-page IRS form that names the entity, its responsible party, and the reason for applying. For a foreign-owned single-member LLC, the responsible party is typically the owner, identified by name and foreign address rather than by an SSN. The form is short, but small errors on the responsible party line are a frequent reason filings stall.

A clean SS-4 submission generally moves through these steps:

1. Form the Wyoming LLC first so the entity legally exists before you request its number.
2. Complete Form SS-4 with the entity name, responsible party, and the box that matches your reason for applying.
3. Submit by fax or mail, since the online tool is closed to applicants without an SSN or ITIN.
4. Wait for the IRS to issue the EIN, which by fax typically takes a few weeks.
5. Keep the CP 575 confirmation letter, because banks and platforms often ask to see it.

Take a founder in Toronto launching a software side business. She files the Wyoming LLC, lists herself as the responsible party with her Canadian address, faxes the SS-4, and waits. She never sets foot in the US, never needs an SSN, and ends up with both the entity and its EIN. The sequence matters more than the speed: the company first, then its number.

Is an EIN the same as a business license or a tax registration?

No, an EIN is only a federal tax identification number, not a license to operate and not a state tax registration. The EIN tells the IRS who the entity is. It does not by itself authorize a regulated activity, register you for state sales tax, or replace any industry permit you might need depending on what your business does.

This distinction trips up new founders who assume the EIN is the whole of their tax setup. It is the foundation, but your specific obligations depend on your activities and where your customers are. When in doubt, the authority to check is the IRS for federal questions and the relevant state agency for state-level ones, rather than guessing from a forum post.

Frequently asked questions

Is a Federal Tax ID the same as an EIN?

Yes. "Federal Tax ID Number" is just another name for the EIN, the Employer Identification Number the IRS issues to businesses. If a bank or vendor asks for your Federal Tax ID, they are asking for your EIN.

Can my LLC use my personal ITIN instead of an EIN?

No. An ITIN is a personal taxpayer number, while the EIN belongs to the company. Your LLC needs its own EIN to file entity returns and open business accounts, regardless of whether you personally hold an ITIN.

How long does it take to get an EIN as a non-resident?

The IRS controls the timing, and by fax it typically takes a few weeks. There is no guaranteed turnaround, and any service promising an exact date is overstating what is possible, since the online same-day tool is not available to applicants without an SSN or ITIN.

Do I pay the IRS for an EIN?

No. The EIN is free directly from the IRS. The only cost involved is if you hire someone to prepare and file Form SS-4 for you, which pays for the work, not for the number itself.

Should I get the EIN before or after forming the LLC?

Form the Wyoming LLC first. The EIN identifies an entity that already exists, so the SS-4 should follow the formation. Applying for a number before the company is on file at the Wyoming Secretary of State invites confusion and rejected forms.