Small Biz Colorado

Get an EIN for Small Businesses(Detailed Steps)

RESOURCES, IRS, EIN

An Employer Identification Number (EIN) is like a Social Security number for your business. It’s required for paying employees, filing taxes, and opening a business bank account.

đź’ˇLearn about:

  1. What Is an EIN?
  2. How to Get Your EIN in Colorado
  3. Tips for Using Your EIN
  4. How to Use Your EIN After Getting It
  5. Resources for Colorado Business Owners

What Is an EIN?

An EIN, also called a Federal Tax Identification Number, is issued by the IRS to identify businesses for tax purposes.

You’ll need it if you:

  • Plan to hire employees.
  • Operate as an LLC, corporation, or partnership.
  • Want to open a business bank account or apply for loans.
  • Need to file federal and state taxes.

How to Get Your EIN in Colorado

1. Gather the Required Information

Before applying, have the following details ready to use:

Legal Name of Your Business: This must match your registration with the Colorado Secretary of State.

Business Structure: Whether you’re a sole proprietorship, LLC, partnership, or corporation.

Responsible Party’s Information: The name and Social Security number (SSN) of the individual responsible for the business (usually the owner).

Business Purpose: A brief explanation of what your business does.

2. Apply Online Through the IRS

  • You will first go to the IRS EIN application page: IRS EIN Online Application.
  • Scroll down, click “Apply for an EIN”, follow the prompts, entering the details about your business and its structure.
  • Once the application is submitted, you will get your EIN instantly online or via email. Save this online copy for your records. You may use this immediately and await the hard copy to come in the mail.

Note: The online application is available Monday–Friday, 7 a.m. to 10 p.m. Eastern Time.

3. Apply by Mail or Fax (Optional)

If you prefer not to apply online, you can fill out Form SS-4, the application for an EIN:

  • By Mail:
    • Complete Form SS-4 (available at Form SS-4).
    • Mail the form to:
      Internal Revenue Service
      Attn: EIN Operation
      Cincinnati, OH 45999
    • Expect to receive your physical EIN in 4–6 weeks.
  • By Fax:
    • Fax the completed Form SS-4 to 855-641-6935.
    • You’ll typically receive your EIN within 4 business days.

4. Apply by Phone (For International Applicants)

If you’re applying from outside the U.S., you can call the IRS directly at +1-267-941-1099 to request your EIN.

Tips for Using Your EIN

One EIN Per Day Rule: If you have multiple businesses, you can only apply for one EIN per day.

Double-Check Your Information: Ensure the business name and responsible party match your other registrations. This will help to avoid having to make corrections and wait for corrections to be made.

Keep Your EIN Safe: Treat your EIN like sensitive information. You’ll use it for taxes, banking, and more. It is important to write this down or save it somewhere you won’t forget.

How to Use Your EIN After Getting It

Open a Business Bank Account: Most banks require an EIN to set up an account. You may do so for a business checking or saving account in addition to business credit cards.

File Federal and State Taxes: You’ll need your EIN to file returns and pay taxes.

Apply for Business Licenses or Permits: Some licenses or permits may require an EIN.

Resources for Colorado Business Owners

By following these steps, you’ll have your EIN ready in no time, helping your business stay compliant and operate smoothly in Colorado! 🎉

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