How to Obtain an EIN in Missouri | A Comprehensive Guide

Obtain an EIN in Missouri

In starting an LLC in Missouri, it is crucial to understand the importance of an Employer Identification Number (EIN) and how it impacts your business operations. An EIN is a unique nine-digit number the Internal Revenue Service (IRS) assigns to businesses operating in the United States for identification purposes. This number is essential for running a business, such as filing taxes, opening bank accounts, and hiring employees.

This article will explore the complete guide to obtaining an EIN in Missouri and the responsibilities and requirements associated with having an EIN.

Webinarcare Editorial Team will help you understand the process of obtaining an EIN. You must be guided by all the factors gathered in this article.

EIN Definition and Purpose

To form an LLC, an EIN is necessary for your business. An Employer Identification Number (EIN) is a federal tax identification number used by the Internal Revenue Service (IRS) to identify businesses in the United States. It is similar to a Social Security Number (SSN) for individuals but is specifically designed for businesses. The main purpose of an EIN is to help the IRS track and administer taxes for companies.

In Missouri, businesses are required to have an EIN if they meet any of the following criteria:

  • Have employees
  • Operate as a Partnership or Corporation in Missouri
  • File tax returns for employment, excise, or Alcohol, Tobacco, and Firearms (ATF) taxes
  • Withhold taxes on income, other than wages, paid to a non-resident alien
  • Have a Keogh plan (a tax-deferred pension plan for self-employed individuals or unincorporated businesses)
  • Are involved with trusts, estates, real estate mortgage investment conduits, non-profit organizations, farmers’ cooperatives, or plan administrators

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How to Obtain an EIN in Missouri

Obtaining an EIN in Missouri is a straightforward process; several methods are available to apply for one. However, if you want to be at ease with the process you can hire an LLC Services in Missouri, with add-ons of obtaining an EIN.

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Online Application Process

The easiest and fastest way to obtain an EIN is by applying online through the IRS website. The online application is available for businesses in Missouri and the rest of the United States.


To apply for an EIN online, follow these steps:

  1. Visit the IRS EIN Assistant webpage.
  2. Click “Apply Online Now” and follow the prompts to complete the application.
  3. Provide the necessary information, such as your legal name, trade name (if applicable), business address, and the responsible party’s Social Security Number or Individual Taxpayer Identification Number.
  4. Select the appropriate legal structure for your business (e.g., sole proprietorship, general partnership, corporation, etc.).
  5. Provide additional information as required, such as the number of employees, the reason for applying, and the primary business activity.
  6. Review and submit your application.

Upon successful completion of the application, you will receive your EIN immediately. Save or print a copy of the confirmation notice for your records.

Other Application Methods

If you prefer not to apply online or are unable to access the online application, you can also obtain an EIN through the following methods:

  • Fax: Complete Form SS-4 (Application for Employer Identification Number) and fax it to the appropriate fax number listed on the IRS website. You should receive your EIN within four business days.
  • Mail: Complete Form SS-4 and mail it to the appropriate address on the IRS website. The processing time for mailed applications is approximately four weeks.
  • Telephone: International applicants can apply for an EIN by calling the IRS at 267-941-1099 (not a toll-free number) from 6:00 a.m. to 11:00 p.m. Eastern Time, Monday through Friday.

After you have your EIN number, you can benefit in several ways. It will give your Missouri LLC the final advantage necessary to operate fully without legal or judicial issues.

If you have a Registered Agent, he can file an EIN for your business. Also, if you are planning to file for an LLC in Missouri, your Registered Agent should file for the Articles of Organization in Missouri.

Uses of EIN in Missouri

An EIN must run a business in Missouri. Some of the primary uses for an EIN include:

Opening a Business Bank Account

Banks typically require an EIN to open a business bank account, which is essential for separating your personal and business finances. With a business bank account, you can accept payments, deposit funds, and manage your company’s finances more efficiently.

If you are planning a bank for your Missouri business, you can check out the Best Banks in Missouri, which offer the best combination of fees, services, and convenience for your business needs.

Filing State and Federal Taxes

Businesses in Missouri must file taxes with both the state and federal governments, and an EIN is necessary to report and pay these taxes. Your EIN is used on various tax forms, such as income tax returns, employment tax returns, and excise tax returns which you can pay in Missouri Department of Revenue.

Payroll and Employee Tax Reporting

If your business has employees, you will need an EIN to report wages and other compensation paid to your workers. Additionally, an EIN is required for withholding and remitting federal income and payroll taxes on your employees’ behalf.

If you hire an employee for your business, you must request that your employees complete the following forms:

  • Employment Eligibility Form
  • Federal Tax Withholding Form
  • W-4 Form
  • Workers Compensation Claim Form
  • Disability Self-Identification Form
  • U.S. Citizenship and Immigration Services Form

Applying for Business Licenses and Permits

An EIN is often required when applying for business licenses and permits in Missouri. These licenses and permits may be necessary for various aspects of your business operations, such as zoning approval, health permits, or sales tax registration.

In Missouri, business license fee costs around the range of $50 – $300. You can check out Missouri Business Licenses to learn more about licenses and permits.

Establishing Credit and Securing Loans

An EIN can help your business establish credit, as it serves as an identifier for your company in the eyes of financial institutions. Additionally, lenders may require an EIN when applying for business loans or lines of credit.

Responsibilities and Requirements for EIN Holders in Missouri

As an EIN holder in Missouri, you are responsible for several tasks related to maintaining and managing your EIN. Some of these responsibilities and requirements include:

Updating the IRS on Changes to Business Information

If your business undergoes significant changes, such as a change in address, legal structure, or a responsible party, you must inform the IRS by filing the appropriate forms. This ensures the IRS has accurate and up-to-date information about your business and can properly administer taxes.

update my information

You can go to the Update My Information website of the Internal Revenue Service.

Required Tax Filings and Payments

With an EIN, your business is responsible for filing various tax returns and making tax payments to federal and state governments. Be informed about the specific tax obligations for your business type and industry in Missouri.

To keep your business in good standing in Missouri, you must file an Annual Report with the Missouri Secretary of State. The annual report provides updated information about your LLC, such as changes in address, members, or Registered Agent.

Record-Keeping Requirements

Proper record-keeping is essential for businesses with an EIN, as it helps ensure accurate tax reporting and compliance with laws and regulations. Maintain records of your company’s income, expenses, and other financial transactions to facilitate accurate tax filing and minimize potential issues with the IRS.

Establish a reliable accounting system to track income, expenses, and tax obligations. You can manage your finances using spreadsheets, accounting software, or hiring a professional accountant.

Closing an EIN Account

Suppose your business ceases operations or no longer requires an EIN. In that case, you must notify the IRS by submitting a letter containing your complete legal name, EIN, business address, and the reason for closing the account. This allows the IRS to update its records and prevent future tax-related issues.

cancel EIN

If you have a copy of the EIN Assignment Notice that was issued when your EIN was assigned, include that when you write it to the IRS with the below mailing address:

  • Internal Revenue Service MS 6055 Kansas City, MO 64108
  • Internal Revenue Service MS 6273 Ogden, UT 84201

Or, you can check out Canceling an EIN via the IRS for further information.

Common Issues and Solutions for EIN in Missouri

Business owners in Missouri may encounter issues related to their EIN, such as losing or misplacing the number, incorrect information on the EIN application, or changes in business structure or ownership. Here are some solutions to common EIN-related problems:

  • Lost or Misplaced EIN: If you lose or misplace your EIN, you can contact the IRS by calling their Business & Specialty Tax Line at 1-800-829-4933. The IRS representative can provide you with your EIN after verifying your identity.
  • Incorrect Information on EIN Application: Suppose you discover an error on your EIN application, such as an incorrect business name or address. In that case, you can correct the information by submitting a letter to the IRS detailing the changes. Be sure to include your EIN, the incorrect information, and the correct information in your letter.
  • Change in Business Structure or Ownership: If your business undergoes a significant legal structure or ownership change, you may need to obtain a new EIN. Consult the IRS guidelines to determine if a new EIN is necessary.
  • Dealing with Identity Theft or Fraud: If you suspect your EIN has been compromised or used fraudulently, immediately report the issue to the IRS. The IRS can guide you through the steps to secure your EIN and protect your business from potential tax-related issues.

State-Specific EIN Information and Resources

To further assist businesses in Missouri, here are some state-specific resources and information related to EINs and taxation:

  • State Tax Agency Information: The Missouri state tax agency can provide information on state tax requirements, forms, and filing deadlines. Be sure to familiarize yourself with the state tax obligations for your business type and industry.
  • Business Registration Requirements: In addition to obtaining an EIN, businesses in Missouri must also register with the appropriate state agencies. This may include registering your business name, obtaining necessary licenses and permits, and registering for state taxes.
  • Employer Tax Obligations and Filings: Employers in Missouri must comply with various state tax obligations, such as withholding state income tax from employee wages and reporting these withholdings to Missouri Department of Revenue. Research your business’s specific employer tax requirements in Missouri.
  • Local Resources and Assistance for Businesses in Missouri: Many local organizations and government agencies in Missouri offer resources and assistance for small business owners. These resources may include business counseling, training, and financial assistance programs.

Do I Need to Apply for an EIN If I Also Have Business In Other States?

Yes, if you are operating a business with employees, have a corporation or partnership, or are required to file employment, excise, or alcohol, tobacco, and firearms tax returns, you will need an EIN (Employer Identification Number). If your business operates in multiple states, you only need one EIN for federal tax purposes. However, you may need to register for state-specific tax identification numbers in each state where you conduct business. Check with the Missouri Department of Revenue to determine their requirements.


Is an EIN required in Missouri?
Yes, every business in Missouri needs an EIN for tax and legal purposes.
Can I apply for an EIN in Missouri online?
Yes, you can apply for an EIN online through the IRS website.
How long does it take to get an EIN in Missouri?
It typically takes about a few minutes to receive your EIN after applying online.
Is there a fee for obtaining an EIN in Missouri?
No, there is no fee to get an EIN in Missouri.
Do I need an EIN for a sole proprietorship in Missouri?
It’s not required, but you may still choose to get an EIN for your sole proprietorship.
What documents do I need to apply for an EIN in Missouri?
Generally, you just need basic business information like your business name, address, and legal structure.
Can I use my Social Security number instead of an EIN in Missouri?
It’s possible, but it’s generally not recommended as it puts your personal information at risk.
How do I notify the state of Missouri of my EIN?
You don’t need to notify the state of your EIN as the IRS will provide them with this information.
What if I lose my EIN in Missouri?
You can easily retrieve your EIN by contacting the IRS directly.
What types of businesses need an EIN in Missouri?
All types of businesses like sole proprietorships, partnerships, LLCs, corporations, and non-profits need an EIN in Missouri.
Can I get a new EIN for my Missouri business after it’s been closed?
No, you cannot. Once you receive an EIN, that number remains associated with your business even after it’s closed.
Can I change the name of my business after I get my EIN in Missouri?
Yes, you can change the name of your business. You might have to apply for a new EIN if the business structure also changes.
Do I need an EIN for a business I’m starting in Missouri soon?
Yes, you should obtain an EIN before you start your business.
Can a third party obtain an EIN on my behalf in Missouri?
Yes, you can authorize a person to apply and receive an EIN on your behalf.
Do I need an EIN if my business has no employees in Missouri?
You are still required to get an EIN regardless of the employee status in your business.
Can non-US residents get an EIN in Missouri?
Yes, non-US residents can get an EIN as long as they follow the requirements set by the IRS.
Can I operate multiple businesses under the same EIN in Missouri?
Yes, a single EIN can cover multiple businesses or subsidiaries under the same ownership.
How do I know if my Missouri business needs an EIN?
The IRS provides a list of criteria to identify if a business requires an EIN on their website.
Are there any specific Missouri tax requirements linked with a business EIN?
Missouri sales and withholding taxes are tied to EINs.
Is there a limit to the number of EINs a Missouri business can obtain?
Generally, one EIN is sufficient for majority businesses.
What’s the difference between an EIN, a TIN, and a SSN in Missouri?
EIN specifically caters to businesses, TIN is used for federal withholding tax while SSN is catered to individuals including employees in the business.
What happens to your EIN number once you close down your business in Missouri?
Your EIN number remains associated with Missouri, and you cannot apply for a new EIN for the closed company.
Does a Missouri LLC need an EIN number?
Yes, a Missouri LLC requires an EIN just as any other business entity.
How long is an EIN number valid in Missouri?
EIN numbers do not expire, and as such, are valid perpetually.
Is it possible to CORRECT wrong information about an EIN number in Missouri after the update cycle?
It is possible to correct wrong EIN information in Missouri by contacting the IRS directly.
Can I report any IRS issues regarding EIN to the Missouri IRS office?
No, you can air organizational or procedural disagreements associated with EIN but tax-related issues may require speaking to an IRS professional instead.
Can someone still apply for an EIN if their Missouri business has no physical address yet?
Yes, a physical address is not mandatory; MO has rather included “applicant’s whereabouts in ample detail” to its EIN application criteria.
How are EIN numbers used when outsiders/(lawyers) refer to doing exams outside Missouri?
EIN typically applies to U.S.-time, local state procedures, North-American geographic entities.
Will Missouri keep track of my EIN number, if I move departments/statutes?
Missouri keeps track of EINs relevant to Missouri and to Whom they were laid out.
What is an EIN?
An EIN is an Employer Identification Number, a unique nine-digit number assigned by the IRS to businesses for tax identification purposes.
Do I need an EIN in Missouri?
If you are a business owner or non-profit organization operating in Missouri and have employees, you are required to have an EIN.
How do I apply for an EIN in Missouri?
You can apply for an EIN in Missouri by completing and submitting Form SS-4 to the IRS.
Is there a fee to obtain an EIN in Missouri?
There is no fee to obtain an EIN in Missouri or anywhere in the United States.
Can I apply for an EIN online in Missouri?
Yes, you can apply for an EIN online in Missouri through the IRS website.
Is there a waiting period to receive an EIN in Missouri?
No, you can receive your EIN immediately upon completing your application.
Can I obtain an EIN by phone in Missouri?
Yes, you can obtain an EIN by phone in Missouri by calling the IRS Business and Specialty Tax Line.
Is a social security number required to apply for an EIN in Missouri?
No, a social security number is not required to apply for an EIN in Missouri.
Can I apply for an EIN in Missouri without a business address?
No, you must have a physical business address to apply for an EIN in Missouri.
Can I change the business name on my EIN in Missouri?
Yes, you can change the business name associated with your EIN by filing Form SS-4 with the IRS.
Can I apply for more than one EIN for the same business in Missouri?
No, you can only apply for one EIN per business in Missouri.
How do I cancel my EIN in Missouri?
To cancel your EIN in Missouri, you need to send a letter to the IRS that includes your EIN, a detailed explanation of why you are cancelling it, and your signature.
Is an EIN required for a sole proprietorship in Missouri?
No, an EIN is not required for a sole proprietorship in Missouri, but it is recommended.
Does my non-profit organization need an EIN in Missouri?
Yes, if your non-profit organization has employees, you are required to have an EIN in Missouri.
Can I apply for an EIN if I don’t have a Social Security Number in Missouri?
Yes, you can apply for an EIN in Missouri if you don’t have a social security number by using your Individual Taxpayer Identification Number (ITIN) instead.
Is an EIN required for a partnership in Missouri?
Yes, all partnerships in Missouri are required to have an EIN.
How long is my EIN valid for in Missouri?
Your EIN is valid for the life of the business.
Can I use the same EIN for multiple businesses in Missouri?
No, you need a separate EIN for each business entity in Missouri.
Can I make changes to my EIN after it has been issued in Missouri?
Yes, you can request changes to your EIN by filing Form SS-4 with the IRS.
Why do I need an EIN for my Missouri business?
You need an EIN for your Missouri business for tax and tracking purposes.
Can a foreign-owned business get an EIN in Missouri?
Yes, a foreign-owned business can get an EIN in Missouri if they meet the requirements for doing business in the United States.
Can I obtain an EIN for a deceased person’s estate in Missouri?
Yes, you can obtain an EIN for a deceased person’s estate in Missouri by filing Form SS-4 with the IRS.
What information do I need to apply for an EIN in Missouri?
To apply for an EIN in Missouri, you need to provide your legal business name, physical address, and business entity type.
Can I apply for an EIN in Missouri if I don’t have a business yet?
No, you cannot apply for an EIN in Missouri until you have a legal business entity established.
Can I apply for an EIN for my Missouri business in-person?
No, you cannot apply for an EIN in-person in Missouri.
How soon after I receive my EIN can I start doing business in Missouri?
Once you have your EIN, you can start doing business in Missouri immediately.
How do I find my Missouri business entity’s tax classification?
Your Missouri business entity’s tax classification is specified by the IRS based on the information you provide on your EIN application.
How can I verify that my EIN was issued in Missouri?
You can verify that your EIN was issued in Missouri by checking the second digit of your EIN.
Can I use my EIN for business activities outside the state of Missouri?
Yes, your EIN can be used for business activities outside of Missouri, as well as in-state activities.

Also Read

How to Save Money While Getting Ein for Missouri LLC

First and foremost, one of the best ways to save money when forming an LLC in Missouri is to do it yourself. While hiring a lawyer or formation service can be helpful, it can also be expensive. By taking the time to research and complete the necessary forms on your own, you can significantly reduce costs. The Missouri Secretary of State website provides plenty of resources and information to help guide you through the process step by step.

Another way to save money when forming your Missouri LLC is to opt for the basic package when filing with the state. While there are options to choose from that offer added benefits and services, these can come with a higher price tag. By sticking to the basic package, you can save money without sacrificing the essential features needed to operate your LLC.

When it comes to registered agents, it can be tempting to hire a professional service to handle this responsibility for you. However, this can also come with an added cost. Instead, consider serving as your LLC’s registered agent. By serving in this capacity yourself, you can save money on annual fees and still comply with state requirements.

In addition to handling as much of the administrative work as possible on your own, there are additional ways to save money as you begin operating your Missouri LLC. When it comes to buying office supplies or securing services for your business, don’t be afraid to shop around for the best deals. By comparing prices and looking for discounts, you can ensure that you’re getting the most value for your money.

Along with cutting costs on everyday expenses, it’s crucial to pay attention to ongoing costs associated with running your Missouri LLC. One significant expense to be mindful of is the annual report fee. To save money on this expense, be sure to file your annual report online and on time to avoid any late fees.

Finally, networking and utilizing resources within your local community can also help you save money as you grow your Missouri LLC. By connecting with other small business owners or joining entrepreneur groups, you may discover cost-saving opportunities, such as shared office space or discounted services.

Starting and operating a Missouri LLC doesn’t have to break the bank. By taking advantage of cost-saving strategies and being proactive about managing expenses, you can help ensure that your business thrives without draining your bank account. Remember, every dollar you save is a dollar that can be reinvested back into your business, helping it grow and succeed in the long run.


Understanding the importance and uses of an EIN in Missouri is crucial for the successful operation of your business. By obtaining and maintaining your EIN, you can ensure compliance with federal and state tax laws, establish a strong financial foundation for your company, and access various resources and opportunities for growth. Be sure to utilize the available resources and support for businesses in Missouri to maximize your chances of success.

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