How to Get an EIN Number for Your Business (Free, Takes 10 Minutes)
How to Get an EIN Number for Your Business (Free, Takes 10 Minutes)
An EIN (Employer Identification Number) is one of the first things you should get when starting a business. It's your business's federal tax ID, like a Social Security number, but for your company.
The best part: it's completely free and takes about 10 minutes to get online.
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What Is an EIN and Why Do You Need One?
The IRS issues EINs to identify businesses for tax purposes. You'll need one to:
- Open a business bank account (most banks require it)
- File business taxes separately from your personal taxes
- Hire employees and run payroll
- Apply for business licenses in many states
- Work with vendors and clients who need your tax ID for their records
- Apply for business credit or loans
Even if you're a sole proprietor or single-member LLC with no employees, an EIN is still useful, it lets you use your EIN instead of your Social Security number on business documents, which reduces your risk of identity theft.
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Who Needs an EIN?
You need an EIN if your business:
- Has employees
- Operates as an LLC, partnership, or corporation
- Files excise taxes
- Works with retirement plans
You don't technically need one if you're a sole proprietor with no employees, you can use your SSN instead. But most business owners get one anyway for privacy and professionalism.
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How to Apply for an EIN Online (Step by Step)
1. Go to IRS.gov and search for "EIN online application" or go directly to irs.gov/businesses/small-businesses-self-employed/apply-for-an-employer-identification-number-ein-onlineirs.gov/businesses/small-businesses-self-employed/apply-for-an-employer-identification-number-ein-onlinehttps://www.irs.gov/businesses/small-businesses-self-employed/apply-for-an-employer-identification-number-ein-online
2. Click "Apply Online Now", the application is available Monday–Friday, 7am–10pm ET.
3. Select your entity type, sole proprietor, LLC, partnership, corporation, etc.
4. Answer the questions, they'll ask about why you're applying, your business structure, and your contact information.
5. Confirm and submit, the whole form takes about 10 minutes.
6. Get your EIN immediately, you'll see it on screen and can download a confirmation letter (called a CP 575).
Important: Save your EIN confirmation letter. You'll need it to open bank accounts, apply for licenses, and do your taxes.
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What If You Already Have a Business but No EIN?
No problem, you can apply at any time. There's no penalty for getting one late, and it won't cause issues with your previous tax filings if you were operating as a sole proprietor using your SSN.
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Can You Apply by Phone or Mail?
Yes, but there's almost no reason to:
- Phone: Call 800-829-4933 (slowest option, often long hold times)
- Mail: Fill out Form SS-4 and mail it in (takes 4–5 weeks)
- Fax: Fax Form SS-4 (takes about 4 business days)
Online is instant and free, just use that.
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EIN vs. SSN: What's the Difference?
| | SSN | EIN |
|---|---|---|
| Issued by | Social Security Administration | IRS |
| Format | XXX-XX-XXXX | XX-XXXXXXX |
| Used for | Personal taxes, identity | Business taxes, identity |
| Cost | Free | Free |
| Required for business | Sometimes | Often |
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What Comes Next After Your EIN?
Once you have your EIN, your next steps are:
- Open a business bank account
- Set up accounting software
- Register for state sales tax (if selling physical products)
- Start building your business operations
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