Arizona DBA Search
Fictitious & Assumed Name Filing
LLCs and corporations register a DBA in Arizona through Arizona Secretary of State, Trade Names and Trademarks. NAMECHECK50 checks that registry — and every other state’s — in one 90-second search.
Search Arizona + all 50 states →$7.50 per search · No subscription · Credits never expire
Where a Arizona DBA Actually Gets Filed
An LLC or corporation registering a DBA (also called a fictitious name or assumed name) in Arizona files with Arizona Secretary of State, Trade Names and Trademarks. Trade name registration is optional in Arizona; when filed, it is a state-level filing, not a county one.
Because this is a state-level filing, it’s the same registry NAMECHECK50 queries as part of its standard 50-state search — there’s no separate county-level lookup required for the entity-level DBA in Arizona.
Why Check Before You File
Arizonadoes not reject a DBA filing simply because it resembles another registered name the way it might for an entity name — but using a name that’s already active elsewhere exposes you to cease-and-desist letters and possible common-law trademark claims. Checking first is cheap; rebranding after building brand equity around a conflicting name is not.
Run the check across all 50 states, not just Arizona — a name clear in Arizona could still be active in another state, which matters if you ever expand, franchise, or want to protect the name more broadly. See our DBA name search page for the full workflow, or the trademark clearance search guide for the federal layer.
Arizona Business Entity Search
If you’re forming a new LLC or corporation in Arizona rather than filing a DBA for an existing one, see the dedicated Arizona business entity search page for filing fees, agency details, and the full formation-clearance workflow.
Check your Arizona DBA name — plus all 49 other states
Real-time data from Arizona Secretary of State, Trade Names and Trademarks and every other state registry. $7.50 per search.
Start your search →Frequently asked questions
Is a DBA in Arizona filed with the state or a county?
For an LLC or corporation, Arizona DBA (fictitious or assumed name) filings go through Arizona Secretary of State, Trade Names and Trademarks. Trade name registration is optional in Arizona; when filed, it is a state-level filing, not a county one. NAMECHECK50's 50-state search covers this layer directly.
Can NAMECHECK50 check if a DBA name is taken in Arizona?
NAMECHECK50 searches Arizona's official state business registry in real time, alongside all 49 other states, in one 90-second search for $7.50. Because Arizona registers DBAs at the state level, a name already in use as a registered entity or assumed name in Arizona will show up in the results.
What does a "clear" result mean for a Arizona DBA?
A clear result means no entity or registered assumed name matching your proposed DBA appears in Arizona's official registry at the time of the search. It does not constitute a trademark clearance opinion, and it does not guarantee approval by Arizona Corporation Commission — always confirm availability immediately before filing, since registries update continuously.
Do I still need to check other states if I'm only filing a DBA in Arizona?
Yes, for the same reason a single-state entity search is incomplete: a DBA that's clear in Arizona could conflict with an entity or DBA registered elsewhere, creating brand confusion or trademark exposure if you ever expand. A 50-state search costs the same $7.50 as checking one state manually would cost in time.