Doing Business As (DBA) Definition: The operating name of a company, as opposed to the legal name of the company. Some states require DBA or fictitious business name filings to be made for the ...

DBA stands for "Doing Business As," and it’s basically a way for your business to operate under a name that’s different from your legal one. Think of it like a nickname for your business.

A legal document showing the operating name ... you have the option of choosing a business name or dba (doing business as) for your businesses. This is known as a fictitious business name.