An EIN (Employer Identification Number) is a unique nine-digit number assigned by the IRS to identify your business for tax purposes. Think of it as a Social Security number for your company. It's also called a Federal Tax Identification Number or FEIN.

Any business that has employees, operates as a corporation or partnership, files employment/excise/alcohol/tobacco/firearms tax returns, or withholds taxes on income paid to a non-resident alien needs an EIN. Most LLCs — even single-member LLCs — benefit from having an EIN to keep personal and business finances separate.

Is an EIN free from the IRS?

Yes. The IRS does not charge a fee for issuing an EIN. You can apply directly on the IRS website at no cost. FormifyAI's service adds value by preparing your application accurately, verifying your information, and handling the submission so you don't have to navigate the IRS system yourself.

How long does it take to get an EIN?

Online applications processed directly through the IRS typically receive an EIN immediately. Fax applications take about 4 business days. Mail applications can take 4–6 weeks. FormifyAI uses the fastest method available based on your entity type and eligibility.

Can I apply for an EIN without an SSN?

International applicants without a Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN) can still obtain an EIN. However, they cannot apply online — the application must be submitted via fax or mail. FormifyAI handles this process for international founders.

Do I need a separate EIN for each state?

No. An EIN is a federal number issued by the IRS and is valid nationwide. You use the same EIN regardless of which state(s) your business operates in. However, some states issue their own state tax ID numbers in addition to the federal EIN.

Can I use my SSN instead of an EIN?

Sole proprietors without employees can technically use their SSN for tax purposes. However, using an EIN is strongly recommended because it protects your SSN from exposure on invoices, tax forms, and business accounts — reducing the risk of identity theft.

What do I need to apply for an EIN?

You'll need the legal name of your business, the entity type (LLC, corporation, etc.), your principal business address, the name and SSN/ITIN of the responsible party, the reason for applying, and your expected number of employees. FormifyAI's guided form collects all of this step by step.

IRS Tax ID

Get Your EIN — Fast & Accurate

An Employer Identification Number (EIN) is required to open a business bank account, hire employees, file taxes, and establish business credit. It's your company's federal tax ID — and every serious business needs one.

FormifyAI prepares your IRS application with AI-powered accuracy, catches errors before submission, and delivers your EIN directly to your dashboard.

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Do You Need One?

Who Needs an EIN?

LLCs & Corporations

Multi-member LLCs and all corporations are required to have an EIN. Single-member LLCs should get one to separate personal and business finances.

Businesses With Employees

If you hire even one employee, you need an EIN to file payroll taxes and report wages to the IRS.

Opening a Business Bank Account

Most banks require an EIN to open a business checking account, apply for business credit cards, or secure a business loan.

Freelancers & Independent Contractors

Use an EIN on W-9 forms instead of your SSN to protect your personal information when working with clients.

How It Works

4 Steps to Your EIN

FormifyAI handles the entire process so you don't have to navigate the IRS website yourself.

1Provide Your Business Details

Answer a few simple questions about your entity type, business name, address, and the responsible party. Our guided form ensures every field is filled correctly.

2We Verify & Prepare Your Application

FormifyAI's AI engine reviews your information for errors, inconsistencies, or missing data — the leading causes of IRS rejections — and prepares your SS-4 form.

3Application Submitted to the IRS

We submit your application through the fastest available channel. Online-eligible applications are processed in real time; others are faxed for 4-day turnaround.

4Receive Your EIN

Your EIN is delivered to your FormifyAI dashboard and email. You'll also receive your official IRS confirmation letter (CP 575) for your records.

Same-Day Processing

Online-eligible applications receive an EIN instantly

Error-Free Guarantee

AI-verified applications to prevent IRS rejections

All Entity Types

LLCs, corporations, partnerships, nonprofits, trusts

Select Your State

EIN Application — All 50 States

While EINs are federal and valid in every state, click your state below for a complete guide to getting your EIN, including any state-specific tax registration you may also need.

FAQ

Frequently Asked Questions

Get Your EIN Today

Don't let IRS paperwork slow down your business launch. FormifyAI handles your EIN application so you can open your bank account, hire your first employee, and start operating — fast.

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EIN included with all plans. Need to form an LLC first?

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Who Needs an EIN?

4 Steps to Your EIN

EIN Application — All 50 States

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Frequently Asked Questions

What is an EIN?

Who needs an EIN?

Is an EIN free from the IRS?

How long does it take to get an EIN?

Can I apply for an EIN without an SSN?

Do I need a separate EIN for each state?

Can I use my SSN instead of an EIN?

What do I need to apply for an EIN?

Get Your EIN Today

Get Your EIN — Fast & Accurate

Who Needs an EIN?

4 Steps to Your EIN

EIN Application — All 50 States

Alabama

Alaska

Arizona

Arkansas

California

Colorado

Connecticut

Delaware

Florida

Georgia

Hawaii

Idaho