Find the state agency that oversees the formation of business entities in the state where your business’s principal offices are located. A useful search tool is available on the website Business.gov, which is the federal government's official website for small businesses. The site has links for the state agencies throughout the country that will help you find the agency in your state that oversees business filings (see Resources).
Locate the naming requirements for an LLC in your state. A good source for this information is the website for state agency overseeing the formation of LLCs. State agencies that provide a pre-printed form to use when forming an LLC will have instructions included with the form that specify the naming requirements. There are typically two basic requirements: the LLC name must include the words "limited liability company" or end in the abbreviation "LLC" or something similar; it must also be distinguishable from other business names on file with the state. The naming requirements can also be found in the each state’s LLC statutes.
Check the state records to determine if your DBA name is available for use as an LLC name. Using the state agency’s website, you can check the name online or by contacting the state agency by mail or phone as directed on the site. If the name is available, you will most likely have the option to reserve the name so that it is still available when you submit your LLC formation documents.
Locate the information from your state agency regarding formation of an LLC. The agency’s website usually provides a pre-printed form in a format available for downloading, completing and filing. Complete the form using the DBA name you verified was available for use. File the document according to the instructions provided by the state agency. Once the form is accepted for filing, your DBA name will be converted to your LLC’s name.