Glossary · legal

DBA DBA

Also called doing business as, fictitious business name, assumed name, trade name.

A trade name a business operates under that differs from the legal name on its formation documents or from the owner's own name.

Drafted with AI assistance. Not yet independently checked. Nobody has verified the claims on this page against a source, so treat the figures and legal points as a starting point rather than as settled, and confirm anything you are about to act on. How we check things.

What it means

Registration happens at the state level in some jurisdictions and the county level in others, and a handful require newspaper publication. The filing creates no entity, no liability shield, and no separate tax identity. It records that a named person or company is trading under another name.

Funders care because the documents rarely agree with each other. Bank statements may show the trade name, the processing statements a third variant, the certificate of formation something else again. Underwriting spends real time reconciling those, and a mismatch stalls files at the verification stage.

Documents should name the legal entity first, with the trade name attached: Northside Holdings LLC d/b/a Northside Diner. The signature block matters as much as the caption.

Where this one catches people

A DBA is not a party that can contract and it is not protection. If the business is a sole proprietorship, obligations signed under the trade name run to the owner personally with or without a guaranty, and there is no entity between a judgment and a personal bank account. Owners who registered a trade name and believe they "set up the business" have done neither of the two things that would matter.

Read next

Corporate veilThe separation between a company's liabilities and its owners' personal assets, and the doctrine under which … Employer Identification Number (EIN)The federal tax identifier the IRS issues to a business, used to open entity bank accounts, run payroll, file… Entity typeHow the business is legally organised — sole proprietorship, partnership, LLC, S or C corporation — which dri… Good standingConfirmation from the state of organisation that the entity exists, has filed what it was required to file an… Personal guarantee (PG)An individual's separate promise to pay the business's obligation out of personal assets, enforceable even af…

DBA — common questions

What does dba mean?

A trade name a business operates under that differs from the legal name on its formation documents or from the owner's own name.

Where does dba catch people out?

A DBA is not a party that can contract and it is not protection. If the business is a sole proprietorship, obligations signed under the trade name run to the owner personally with or without a guaranty, and there is no entity between a judgment and a personal bank account. Owners who registered a trade name and believe they "set up the business" have done neither of the two things that would matter.

Is dba the same as an interest rate?

DBA is defined above; if you are comparing it against a rate, check whether the two measures share a time dimension before you put them side by side.

Which products does dba apply to?

It is not specific to one product — it appears across the market.

Is there a worked example of dba?

Not on this entry. Where a term is arithmetic, the arithmetic is shown; this one is not primarily a calculation.

What else should I read alongside dba?

Corporate veil, Employer Identification Number, Entity type, Good standing, Personal guarantee.

Has this definition been checked?

Not yet. This entry is drafted and live, and the notice at the top says so. Confirm anything you are about to act on.

Is this legal advice?

No. It is a definition. What a clause does in your contract, in your state, is a question for a lawyer licensed where you are.

Can I suggest a term?

Yes — [email protected]. The glossary grows from what people are actually shown in contracts.