How to Check Availability & Register My Business Name in Maryland

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Researching and filing a business name in Maryland is a relatively simple process that involves some research and the completion of one form. These steps are simple and can be completed fairly quickly on the Internet.

Click the "Business entity listings" link in the "Resources" section of this article to search for the business name you want to claim to ensure someone else has not registered it. Go to the page and enter the name in the text field labeled "Name" and hit "Enter."

Complete the State of Maryland Department of Assessments and Taxation Charter Division Trade Name Application, which you can find in PDF form using the link in the "Resources" section of this article. Fill out the form and print it.

Mail the form and the application fee--paid by check made out to Department of Assessments and Taxation--to the address listed on the form. As of April 2010, the fee was $25 and the mailing address was:

Charter Division Department of Assessments and Taxation 301 W. Preston Street, Room 801 Baltimore, Maryland 21201

You can also visit these offices Monday - Friday, 8:30 a.m. - 4:30 p.m. to file your application. If the fee or address changes, the new information should be listed on the form.


  • Filings brought into the office and filed while you wait or by fax will be subject to an additional $50 fee for expedited services.

    You can also check for business-name availability by calling the State Department of Assessments and Taxation at (410) 767-1340 or visiting their office at 301 West Preston Street, Baltimore, MD 21201.

    Once the office receives and approves your application, you should receive an acknowledgment with filing date at the address listed on the form within about four weeks.

    The filing is effective for five years from the date of acceptance.