Your Employer Identification Number (EIN) is the foundation of your business identity. Here is exactly how to apply, what to expect, and how to use it correctly.
Important: Only apply for your EIN directly at IRS.gov. Third-party websites that charge $50–$300 for EIN applications are unnecessary — the IRS application is completely free.
Most businesses need an EIN. You are required to have one if any of the following apply:
Before starting the IRS application, have the following ready to avoid errors or interruptions:
The fastest and easiest method is the IRS online EIN application — it is free and takes about 10–15 minutes.
If you cannot apply online, the IRS offers two additional methods:
Once you have your EIN, use it consistently across all business activities to build a clean business credit profile:
Yes. EIN (Employer Identification Number) and Tax ID Number (TIN) are used interchangeably for businesses. Your EIN is your business's federal tax identification number.
Yes, sole proprietors can get an EIN. While not required for sole proprietors without employees, getting one is strongly recommended for business credit building — it allows you to open business accounts and apply for credit without using your SSN.
Online applications receive an EIN immediately upon completion. Fax applications take approximately 4 business days. Mail applications take 4–5 weeks.
No. The IRS issues EINs for free. Be cautious of third-party websites that charge fees for EIN applications — always apply directly at IRS.gov.
Each legal business entity can have one EIN. If you form multiple LLCs or corporations, each entity gets its own EIN. You cannot have multiple EINs for the same entity.
Check your original CP 575 confirmation letter, your business tax returns, or any bank documents. You can also call the IRS Business & Specialty Tax Line at 800-829-4933 to retrieve it.