Step 1) Get a Copy of the DBA Registration Form

WebsiteFirst things first, verify the assumed name you want is still available. Use the Ohio Secretary of State search tool, as well as the TESS system within the U.S. Patent & Trademark Office if there may be trademark conflicts.

Then, get a copy of the Fictitious Business Name Registration form to get started. Aside from downloading a copy of the form as provided at the link above, you can also visit the respective County Clerk’s Office in which you’ll conduct business using the name.


Step 2) Complete the DBA Registration Form

Create an Operating AgreementAll the instructions are on the form itself, but don’t hesitate to reach out to the Secretary of State’s office, the SBA, or a professional filing service if you’re unsure.

Take the time to read what little fine print there is and have basic Information prepared like the name being registered, name of the registrant, fictitious name, date of first use, nature of business operations, business address, etc.


Step 3) Send the Completed DBA Registration Form

Mail in the FormDouble check all the entries in the DBA registration form. Then, make sure that the form is notarized by an officially recognized individual who can legally give oaths. From there, you can then send the form on in where it’s supposed to go:

The addresses are listed below if you just want to copy/paste them somewhere handy while you’re here. Also, you might want to bookmark this page since it has quick-links.

Filing Fee: $50 for regular processing and an additional $100 for two-day expedited processing.

Regular Filing:

P.O. Box 670

Columbus, OH 43216

Expedited Filing: 

P.O. Box 1390

Columbus, OH 43216


This guide should only be treated as an informational article and not a legal document or advice. For more details on how to file an Ohio DBA or starting a business in Ohio, you can seek the expert advice of a business lawyer.

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