The DBA filing, state by state.
A DBA lets you trade under a name that is not your legal name. That is the only part every state agrees on. What it is called, whether it goes to the state or the county or both, how often it has to be renewed, and whether the name has to be published in a newspaper all change at the state line. Pick yours for the exact route.
Four things that change with your state.
A DBA is a small filing that goes wrong in predictable places. Almost all of them come down to filing the right document at the right counter, and then remembering that it exists.
What your state calls it
Assumed name certificate. Fictitious business name statement. Certificate of assumed name. Trade name registration. Fictitious name registration. Five names for one filing, and that is before the variations. The paperwork you search for should be the paperwork your state actually uses.
State, county, or both
Some states take the DBA centrally. Some route it to the county clerk where you actually do business. Some want both, which means two filings and two receipts for one trading name. That difference is what separates a name that is registered from one that only looks registered.
Whether it expires
Some states run a multi-year renewal cycle for trading names. Others register the name once and never ask again. The cycle is easy to lose track of precisely because it is long, and a lapsed registration is a trading name you no longer hold.
Publication where required
Some places require the new name to be published in a local newspaper before the filing is complete. Where it applies it is a real step with its own timing. Where it does not apply nobody mentions it, which is why general DBA guidance confuses people.
One trading name, fifty-one routes to it. Start with your state.
Pick your state.
Each state page names the document, says whether it is filed with the state, the county, or both, gives the renewal cycle if there is one, and covers publication where the state requires it before the name is properly yours to trade under.
A clean handoff, in four steps.
Four steps, and the first is the one people skip. A DBA is not always the filing that solves the problem, and that is worth knowing before the paperwork starts.
Confirm you need one
A DBA registers a trading name. If the plan is a second brand under a company you already have, it usually fits. If the plan is a genuinely separate business, it may not be the filing you want.
Check the name
Availability against existing registrations, and the conflicts that come with it. A name that clashes is the usual reason a DBA comes back, and it is better found now than after the signage.
We file it
On your state's form, at the level your state uses, with publication handled where it is required. You get the filed receipt, which is the version a bank will ask to see.
Track the renewal
If your state runs a renewal cycle, the date goes on the calendar the day the filing lands, because a multi-year cycle is exactly the kind of deadline that arrives unannounced.
The filing is small. The receipt is the part everyone asks for.
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The questions people ask before they file.
What does a DBA actually do?
It registers a name. A DBA lets a person or a company trade under something other than its legal name, and it puts that link on the public record so the trading name is traceable back to whoever stands behind it. It is a name registration rather than an entity filing: it does not create a company, and the legal name underneath it stays exactly what it was.
Who actually needs one?
Four groups, mostly. Sole proprietors who want to trade under a brand rather than their own name. Companies running more than one brand out of a single entity. Franchisees operating under a franchise name. And restaurants, where the trading name and the entity name are almost never the same thing. If the name on the door is not the name on the register, that is the gap a DBA closes.
Where does a DBA get filed?
It depends on the state. Some run it centrally through the state filing office. Some hand it to the county clerk where the business operates, which means the filing follows your location rather than your state. Some want both, at which point one trading name produces two filings. Your state page names the counter, because this is the detail general guidance gets wrong most often.
Does a DBA expire?
In some states, yes, on a multi-year cycle. In others it is filed once and stays. Because the intervals are long, the renewal is easy to forget and the reminder rarely arrives from anywhere useful. What lapses is the registration of the name rather than the business behind it, but trading under an unregistered name is the exact thing the filing was there to prevent.
Will my bank accept a DBA?
The filed receipt is what makes the name usable at a bank: it is the document connecting the trading name to the legal entity or person behind it. Accounts and payment processing in the trading name generally start from that record. It is worth keeping the stamped copy somewhere findable, because it gets asked for more often than the original filing ever does.
Does a DBA protect the name?
Not in the way people expect. The availability check run before filing looks for conflicts with names already on the register you are filing into, which is what stops the filing bouncing back. That is a clearance against that register rather than against the whole market. If the name matters commercially, protecting it is a separate piece of work from the DBA itself.
Keep going, in order.
Change or convert
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Open the index → IndexAll 51 state guides
Every filing a business does, organised by jurisdiction.
Open the index → ServiceCompliance calendar
Every deadline that touches your entity, watched.
Track deadlines → ServiceTalk to a specialist
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