How to Establish a Sole Proprietorship in Wyoming

To establish a sole proprietorship in Wyoming, here's everything you need to know.

In Wyoming, you can establish a sole proprietorship without filing any legal documents with the Wyoming state government.    There are four simple steps you should take:

  1. Choose a business name.
  2. File a trade name.
  3. Obtain licenses, permits, and zoning clearance.
  4. Obtain an Employer Identification Number.

To find out how to establish a sole proprietorship in any other state, see Nolo’s 50-State Guide to Establishing a Sole Proprietorship.

1. Choose a Business Name

In Wyoming, a sole proprietor may use his or her own given name or may use a trade name.   If you plan to use an assumed business name or trade name, state law requires that the name be distinguishable from the name of another company currently on record. It is also a good idea to choose a name that is not too similar to another registered business because of common and federal law trademark protections. To make sure your business name is available, run a search in the following government databases:

 2. File a Trade Name

If you use a business name that is different from your legal name, Wyoming allows you to register a trade name by filing an application for registration of trade name with the Secretary of State. This is not a mandatory requirement in Wyoming. To file your trade name you must fill out an Application for Registration of Trade Name. The filing fee is $100.

 3. Obtain Licenses, Permits, and Zoning Clearance

Your business may need to obtain business licenses or professional licenses depending on its business activities.    Wyoming provides a comprehensive website of every profession and occupation that requires a license by any sole proprietorship. A business can obtain this information by going to the  Wyoming Professional Licesning Board or the Wyoming Business Council Business Permitting.   In addition, local regulations, including business licenses, building permits, and zoning clearances, may apply to your business. You will need to check with your city and county governments for more information.

4. Obtain an Employer Identification Number

Sole proprietors who wish to have employees need to obtain an Employer Identification Number, or EIN.    This is a nine digit number issued by the IRS for tax reporting purposes.    All businesses with employees are required to report wages to the IRS using their EIN. Registering for an EIN can be done online at the  IRS website.

Sole proprietors without  employees are not required to have an EIN because they can use their Social Security number to report taxes. Nevertheless, you may want to obtain one anyway for your business.  Some banks require one to open a bank account and it can reduce the risk of identity theft.

In Wyoming, businesses are required to report taxes, and file various employee reports. You may need to use your EIN when registering your business to report taxes through the Wyoming Department of Revenue. If you have employees, you must report and pay employment taxes on a periodic basis.    More information related to employment taxes can be obtained by registering with the Wyoming Department of Employment.

Next Steps

It is important to consider doing the following once you have established your sole proprietorship:

  • Open a business bank account. Using your fictitious business name and EIN, you should set up a bank account to keep your business and personal finances separate.
  • Obtain general liability insurance. Because sole proprietors are personally liable for all debts and obligations of the business, a business liability insurance policy may be the only form of financial protection against unforeseen events.
  • Report and pay taxes.   Depending on your specific business activities, you may be required to report such items as sales tax and use tax.  You can obtain more information from the Wyoming Department of Revenue.  

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