First thing’s first, head to the Missouri Online Business Filing System and conduct a Business Entity Search to see if your chosen brand name is already taken or too similar to another. There’s also the TESS System for potential trademark issues.
Next, here’s the official Registration of Fictitious Name form. It’s designed so that you can fill it out online before you have it printed; one to be filed and then you’re going to need a copy for your records.
If you don’t have legal counsel and you aren’t working with a professional DBA filing service, double and triple check all your answers. Make sure you understand everything as well. If not, reach out for assistance. Here’s some of the basic info you’ll need:
The last step is to have the for notarized by an authorized individual so it’s 100% official. The Missouri DBA (along with a $7 filing fee) can be filed in-person, through postal mail, or through online application. For postal mail, it can be sent to this address:
Corporations Unit, James C. Kirkpatrick State Information Center, P.O. Box 778,
Jefferson City, MO 65102
Note that this guide on filing a DBA in Missouri isn’t a legal document or a substitute for legal advice. If there are any questions as to the complexities of MO DBA or starting a business in Missouri in general, talk to a local business lawyer.