Charitable Organizations

Tradename Registration Guidelines

The registration of trade names and marks is not legally required in Arizona, but is an accepted business practice.

Corporations and Limited Liability Companies are advised to check name availability with the Corporation Commission at It is not necessary for these entities to register with both the Corporation Commission and the Secretary of State. Names are protected through cross-indexing between the two Divisions.

Special Registrations

Arizona Residents may also conduct federal trademark searches at the US Patent and Trademark Office's web site at; in the left column click on "Trademarks" to see a list of all available trademark resources, or click on "Search" under the "Trademark" heading to go directly to TESS (Federal Trademark Database)

Special Consideration:

Please note that trade name or mark approvals are not given until this office receives the application and fee and the proposed name is carefully examined.   As a precaution, it is highly suggested that you refrain from purchasing business cards or advertising prior to receiving your certificate of registration in the mail.   You may want to seek legal advice if you have any questions on the interpretation of laws or for guidance in business decisions.   Should you have questions concerning business-licensing requirements, the Arizona Department of Commerce Small Business Services (SBS) online program guides you through the basics of what you need to know to start and operate a business in Arizona and creates a customized step-by-step checklist.   When choosing a trade name or mark, there are several steps you can take to ensure that you are not infringing on a currently active business in Arizona.   Guidelines are available from the Phoenix Public Library.

Answers to commonly asked questions can be found by clicking here.

Using the Registered Name Information Search to check name availability:

When performing a search on the database, please follow these guidelines established for qualification of trade names.

Secretary of State
Business Services – Trade Names and Marks
1700 W. Washington, 7th Floor
Phoenix, AZ 85007

Additional Disclaimer:

The Registered Name Information Search 's purpose is the researching of registrations on file with the Secretary of State. Using this tool for checking the availability of a name does not insure that the name is distinguishable within the cross-index of the Secretary of State and Corporation Commission at the actual time of registration. Using this tool for the purpose of name availability is to the benefit of the registrant in helping to identify potential problems with a name and therefor e minimize the time it takes to process a registration . The guidelines above are followed by this office in the acceptance of a name--thus following the guidelines above will assist you in determining if the name " may be" accepted by this office, but is not guaranteed.