Start distinctive, not descriptive
The single biggest naming mistake is picking a purely descriptive name — "Affordable Plumbing LLC", "Best Coffee LLC". Descriptive names are weak: they’re hard to register as a trademark, easy for competitors to use, and forgettable. Distinctive names — invented, arbitrary, or suggestive — are easier to protect and easier to remember. Lean distinctive from the start.
The four hurdles every name must clear
- State naming rules. Your name must include an LLC designator and avoid restricted words. Run it through our name compliance checker — it tells you instantly whether the format fits your state.
- State availability. The name must be distinguishable from every entity already on your state’s register. Use the official Secretary of State search for your state — search variations, not just the exact string.
- Trademark. Entity availability is per-state; trademarks are national. A name free in your state can still infringe a federal trademark. Run a free trademark search before you commit.
- Domain & handles. Check the .com and your main social handles. A taken .com in your space is often a trademark warning sign too — and a consistent brand online matters.
Designators, in plain terms
Every LLC’s legal name must end in a limited-liability designator — LLC, L.L.C., or Limited Liability Company. You can’t use a designator that implies a different structure (no "Inc.", "Corp.", or "Co." standing in for "LLC"). If you want a customer-facing name without the "LLC" ending, that’s what a DBA is for.
Words that need a license — or are off-limits
Skip words that imply a government agency (they’re usually barred) and be ready for extra paperwork if your name touches a regulated field: banking ("bank", "trust"), insurance, education ("university", "college"), or a licensed profession ("engineering", "architecture", "law"). These usually need a regulator’s approval. The compliance checker flags the common ones so nothing surprises you at filing.
Name across states? Compare first
If you haven’t settled on a formation state, the naming rules differ — a few states require newspaper publication, some don’t offer name reservation. Our cross-state comparison lines up the top formation states so you can see the differences before you choose.
Lock it in
Once a name clears all four hurdles, secure it: most states let you reserve the name for 60–120 days, or you can simply file your Articles of Organization, which locks the name the moment it’s accepted. Don’t build a brand around a name until it’s actually yours.
Got the name? Form the LLC.
Once your name clears the rules, the register, the trademark search, and the domain, you’re ready to file. Do it directly with the state, or compare formation services that handle the paperwork end to end.
Frequently asked questions
How do I choose a good LLC name?
Pick something distinctive rather than purely descriptive — distinctive names are easier to protect as a trademark and stand out. Then make sure it’s practical: it must include an LLC designator, avoid restricted words, be available on your state’s register, be clear of trademarks, and ideally have a matching .com and social handle. A name that wins on all five is one you can actually build a brand on.
What words can’t I use in an LLC name?
Most states bar words implying a government agency (FBI, Treasury) and gate words tied to regulated activities — banking, insurance, education, and licensed professions like engineering or law — behind approval or a license. You also can’t use a designator that implies a different entity type (e.g. "Inc." or "Corp." on an LLC). Each state’s exact list differs; our name compliance checker flags the common ones.
Should my LLC name match my brand name?
It can, but it doesn’t have to. Many founders give the LLC a neutral legal name (e.g. a holding-company name) and then trade under a separate brand registered as a DBA. That keeps the legal entity flexible while letting the customer-facing brand evolve. If you want them to match, just make sure the brand name itself clears the entity, trademark, and naming-rule checks.
Do I need a matching .com domain?
It’s not legally required, but it’s a smart filter. If the exact .com is taken by an active business in a similar space, that’s often a sign of a trademark conflict too — and a mismatched domain makes marketing harder. Checking the domain and social handles alongside the name search saves you from committing to a brand you can’t own online.
Can I change my LLC name later?
Yes. You can amend your LLC’s legal name by filing an amendment with the state (a small fee), and you can add or drop DBAs as your brands change. But changing the legal name means updating your EIN records, bank accounts, contracts, and licenses — so it’s far cheaper to get the name right before you file than to switch later.
The founder’s starting-a-US-company checklist
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