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Welcome to our simple online tool for obtaining your Illinois Federal Tax ID. Click here to start now, or learn more below.

If your answer is "Yes" to one or more of the questions below, you are in need of a Federal Tax ID in Illinois:

Are you opening a business bank account?
Do you have employees?
Do you operate your business as an LLC or any type of Corporation or Partnership?
Do you file employment tax returns, excise tax returns, or alcohol / tobacco / firearm tax returns?
Are you a Trust, Estate, Non-Profit, Farmers Cooperative, Real Estate Mortgage Investment Conduit, or Plan Administrator?
Do you have a Keogh plan?

Illinois Federal Tax ID / EIN numbers are valid in all fifty states. Many states issue "state tax IDs", which can go by names like sales tax number, resale number, and wholesale number. But any Illinois business that requires a state tax ID will also require the nine-digit Illinois Federal Tax ID that you can acquire right here.

Generally, Illinois businesses need a Federal Tax ID.

Establishing a new Illinois EIN number / Federal Tax ID is often one of the first things a new Illinois business does. One common reason is that most business license applications will ask for the ID.

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