EIN Lookup Tool
Searches for Employer Identification Numbers of U.S. businesses from public datasets
Select your business entity type to see EIN requirements
An Employer Identification Number (EIN) is a unique nine-digit number assigned by the IRS to identify your business for tax purposes. It works like a Social Security Number but for your business entity.
Only if you have employees or file excise tax returns
You can use your SSN if you have no employees. An EIN is required once you hire staff or need to file certain tax returns.
Immediately online, 4 weeks by mail
SSN or ITIN of the owner, legal name, and business address
irs.gov/businesses/small-businesses-self-employed/apply-for-an-employer-identification-number-ein-online
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