Filing a DBA in Dallas County, Texas
Filing a Texas DBA ('doing business as'), also known as an 'assumed name', is a simple process. In Dallas County, Texas, you will file the DBA at the county or state level, depending on the type of legal business structure you created for your business.
Read below for answers to your questions about DBAs, plus important details and links, why you might consider filing an assumed name (DBA), and how a DBA can help or hurt you. If you need to research how to file a DBA in another U.S. state or territory, select it below.

Do I need a DBA in Dallas County, Texas?
Texas law decides whether you will file your assumed name certificate with the state or county you operate in based on the type of business.
The following entities must file an assumed name certificate with the Dallas County clerk and not the Texas Secretary of State:
- Sole proprietorship
- General partnership or joint venture
- Estates
- Real Estate Investment Trusts
The following entities must file an assumed name certificate with the Texas Secretary of State and not the county they operate in:
- Corporations (for-profit, nonprofit and professional) or other incorporated entities
- Limited liability companies (including professional limited liability companies)
- Limited partnerships
- Professional associations
- Limited liability partnerships
- Foreign filing entities