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Step-by-Step EIN Application Guide (2025) How to Apply for an EIN Number?

The EIN application is an important process for many types of businesses, including Sole Proprietorships, Corporations, and Non-Profit organizations. Whether you’re a U.S.-based or foreign entity, obtaining an EIN is a critical step for tax compliance and legal operations.

By following the required steps and ensuring you provide the necessary information, you can efficiently complete the EIN application process. For foreign entities, combining the EIN application with the W7 Form for an ITIN may also be necessary for full compliance with U.S. tax regulations.

When starting a business in the U.S. or operating within U.S. borders, obtaining an Employer Identification Number (EIN) is a crucial step. This number is required for businesses, both U.S.-based and foreign, to comply with tax reporting requirements. Here is an overview of the EIN application process and the types of entities that can apply for an EIN.

What is an EIN Number?

An EIN (Employer Identification Number) is a unique nine-digit number assigned by the IRS to identify a business entity for tax purposes. It is necessary for filing taxes, opening a business bank account, and hiring employees. Whether you’re an individual entrepreneur or a foreign entity, having an EIN ensures that your business remains compliant with U.S. tax regulations.

Who Can Apply for an EIN?

The EIN application service is available for a wide range of business entities. Below are the types of entities that are eligible for an EIN:

For Whom Application Features
Sole Proprietorship / Individual Suitable for single-person businesses
Partnership A business structure where two or more individuals share ownership
Limited Liability Company (LLC) Applies to U.S.-established LLCs
Personal Service Organization For professionals offering personal services
S-Corporation A corporation that has elected S-Corp tax treatment
Estate An entity formed for managing the assets of a deceased person
Non-Profit Organization Entities organized for charitable, religious, educational, or other nonprofit purposes
Corporation U.S.-based corporations that are separate legal entities from their owners
Foreign Entity Foreign LLCs or corporations outside the U.S. that require an EIN for U.S. tax reporting
Trust A fiduciary relationship where assets are managed by one party for the benefit of another
Church Organization Religious organizations seeking tax-exempt status

 

What Are the EIN Application Requirements?

If you need to answer the question “How Do I Apply for an EIN Online?”, you should firstly answer “What Is SS-4 Form?”.

How to Apply for an EIN Number?

Applying for an Employer Identification Number (EIN) is a crucial step for businesses operating in the U.S. or those with U.S. tax obligations. Whether you are a domestic company or a foreign entity, obtaining an EIN is necessary for tax filing, hiring employees, and opening a business bank account.

Steps to Apply for an EIN

The application process is relatively straightforward but can vary depending on the type of entity and its location. This guide outlines the steps to apply for an EIN, including specific instructions for foreign businesses and the relationship between the EIN application and other forms like the W7 Form and ITIN.

Step Steps to Apply for an EIN

 

Description
1 Order Your EIN

 

When your order is placed, you will receive an information request form to complete. This form is necessary to gather all the details needed for processing your EIN application.

 

2 Fill Out the Information Request Form

 

Provide accurate business details and documents as required.

 

3 Submit the Application

 

Once your information is completed, it will be submitted to the IRS for review.

 

4 Receive Your EIN

 

After processing, the IRS will issue your EIN, and you will receive it through email or mail, depending on the method of application.

 

 

Where to Send EIN Application?

If you’re not applying for online, your completed EIN application (SS-4 Form) must be sent to the correct IRS Office You can apply by fax via (855) 641-6935 (for international applicants). In addititon, you can apply for an EIN by mail to the offical address of the IRS.

Before starting your EIN application, you’ll need to gather:

  • Your legal business name
  • Business address
  • Responsible party details (with or without an SSN)
  • Type of entity (LLC, corporation, etc.)

If you’re asking, “How do I apply for an EIN online?”, you should firstly understand the SS-4 Form, which is the IRS document used to file your EIN application.

What is the SS-4 Form?

The SS-4 Form is the official document used by the IRS to assign an Employer Identification Number (EIN). It consists of the essential details about your business, including its legality and the purpose for requesting an EIN. Whether you apply online, by mail, or fax, this form serves as the foundation of your EIN application.

How to Get EIN Number Fast (Quickly)?

If you want to prefer the fastest way to apply your EIN number,  you should make your operations in IRS business hours. You’ll receive your EIN immediately. For international applicants, using a service like ein-itin.com speeds things up by ensuring all paperwork is accurate and compliant

How to Get EIN Number for Amazon?

If you are a businessperson on Amazon, the website requires you to provide a valid EIN. You can have an EIN number for Amazon seller profile by following these steps:

  1. Set up your business entity (LLC or sole proprietorship)
  2. Submit your EIN application
  3. Receive your EIN and verify it with Amazon Seller Central

If you want to sell on Amazon, we can handle your EIN application while you focus on building your store.

Can I Apply for an EIN Number by Myself?

U.S. residents with a valid SSN can apply online themselves. However, errors in your EIN application can delay the process. Non-residents or those unfamiliar with IRS forms often benefit from professional assistance.

You have three options for submitting your EIN application:

  1. You can apply for an EIN Number online via the IRS website (only for those with an SSN and U.S. address)
  2. You can prefer to Fax or mail using the completed SS-4 Form
  3. You can take a support from the third-party services like ein-itin.com for expert help—especially useful if you’re applying from outside the U.S. or don’t have an SSN.

How to Apply for EIN as a Foreign Entity

For foreign businesses, such as foreign LLCs or foreign corporations, the EIN application process is slightly different. These entities can apply for an EIN even if they do not have a physical presence in the U.S. However, they must comply with specific IRS regulations, including completing the W7 Form if applying for an ITIN (Individual Taxpayer Identification Number) in conjunction with the EIN.

Can I Get an EIN Without an LLC?

Can you get an EIN Number before LLC? You can submit an EIN application as a sole proprietor, trust, estate, or even as a foreign business. An LLC is not required unless your business structure demands it.

Can You Get an EIN Number Before LLC?

It’s technically possible, but not recommended. If your business name or structure changes later, you’ll need to refile your EIN application.

How to Get an EIN Without an SSN?

You can get an EIN even if you don’t have a Social Security Number. In this case, the SS-4 Form must be submitted via fax or mail, with “N/A” written in the SSN field.

If you don’t have an SSN? EIN ITIN com specializes in EIN application processes for international clients and non-resident entrepreneurs.

What is the Relationship Between EIN, W7 Form, and ITIN Application?

When applying for an Employer Identification Number (EIN), understanding its relationship with other important forms like the W7 Form and ITIN application is essential, especially for non-U.S. individuals or foreign entities.

These forms are often required together, particularly for individuals who do not qualify for a Social Security Number (SSN) but still need to comply with U.S. tax laws. This section will clarify the connection between these forms, explain why an ITIN may be needed, and provide insight into the typical processing times for an EIN application.

W7 Form

If you are a non-U.S. individual involved in a U.S. business or need to report U.S. income, you may need to file the W7 Form for an ITIN along with your EIN application.

ITIN Application

The ITIN is required for individuals who do not qualify for a Social Security Number but still need to file U.S. taxes. If you’re a foreign entity, the ITIN application process may be necessary for compliance with U.S. tax laws.

What Happens If You Lost or Misplaced Your EIN?

You can retrieve your EIN by checking your previous tax documents, such as past tax returns or official IRS correspondence where your EIN may be listed.

If you can’t locate it, you can contact the IRS Business & Specialty Tax Line at 800-829-4933 to speak with a representative. Additionally, you can request an official confirmation letter, known as the 147C Letter, from the IRS to verify your EIN.

What Is 147C Letter and What Is It Used For?

A 147C Letter is an official document issued by the IRS that confirms your Employer Identification Number (EIN). This letter is commonly used to verify your EIN with banks or tax authorities, resolve issues related to tax filings, and complete account verifications on platforms like Amazon or eBay. It serves as proof of your EIN when other documentation is unavailable.

How to Get a Copy of My EIN Letter?

You can request a new copy of your EIN confirmation letter (either CP 575 or 147C) by calling the IRS. They can fax it to you immediately or send it by mail upon request. Make sure that the information you provide matches the details from your original EIN application to avoid any delays.

Can I Request a 147c Letter Online?

The IRS does not provide an online portal for requesting 147C Letters. All requests must be made by phone.

You cannot request a 147C Letter online, as the IRS does not have a digital portal for this service. All requests must be made by calling the IRS directly. To obtain the letter, contact the IRS Business & Specialty Tax Line by phone.

Processing Time for EIN Application

The EIN application processing time typically takes a few business days if done online, while paper applications may take several weeks. It is essential to ensure that all information provided is accurate to avoid delays in receiving your EIN.

Does EIN Expire? Is There Any Renewal Process?

EIN numbers never expire and do not require renewal. Once assigned, your EIN remains valid indefinitely. However, if you close your business or undergo a major restructuring, you might need to apply for a new EIN. In such cases, submitting a new application is necessary to reflect the changes.

How to Cancel a Business EIN Number?

You cannot cancel an EIN, but you can close your business account by notifying the IRS in writing. Your letter should include your EIN, the business name, and the reason for closing the account.

This informs the IRS that your business is no longer active. If you close your account, you can prevent any future tax obligations or correspondence your business.

Why is My EIN Number Not Working?

Your EIN might not work for several reasons. It could be too new and not yet fully active in the IRS systems. There may have been an error or mismatch in the information provided during your EIN application. Additionally, using the EIN on the wrong tax form or account can cause it to be rejected.

EIN Number Cost (How Much Does It Cost to Get an EIN?)

The IRS provides EINs for free. However, if you need expert help, services like ein-itin.com offer full EIN application support, let’s contact us. Are you ready to start your EIN application? Let our experienced team handle the paperwork while you focus on your business.