Free Tool
US LLC & Corp Name Availability
Instantly search any US state business database plus USPTO trademarks before filing your LLC, C-Corp or S-Corp.
Free Name Availability Check
🇺🇸 Check United States company name availability
Search the official United States state registry before you file. Opens the government portal in a new tab.
Tip: also confirm the .com domain and matching social handles are free before you commit.
How to check United States company name availability
- 1. Search the official United States state registry above.
- 2. Check for trademark conflicts via the national IP office.
- 3. Confirm the matching .com domain and primary social handles are free.
- 4. When ready, start your United States formation and Gullia Filing will lock the name during filing.
All United States registry portals
State portals listed below. Every jurisdiction Gullia Filing supports is one click away.
- Alabama
Alabama SOS - Alaska
Alaska DCCED - Arizona
Arizona CC - Arkansas
Arkansas SOS - California
California SOS bizfile - Colorado
Colorado SOS - Connecticut
Connecticut SOTS - Delaware
Delaware DOS - District of Columbia
DC DLCP - Florida
Florida Sunbiz - Georgia
Georgia SOS - Hawaii
Hawaii DCCA - Idaho
Idaho SOS - Illinois
Illinois SOS - Indiana
Indiana SOS - Iowa
Iowa SOS - Kansas
Kansas SOS - Kentucky
Kentucky SOS - Louisiana
Louisiana SOS - Maine
Maine SOS - Maryland
Maryland SDAT - Massachusetts
Massachusetts SOC - Michigan
Michigan LARA - Minnesota
Minnesota SOS - Mississippi
Mississippi SOS - Missouri
Missouri SOS - Montana
Montana SOS - Nebraska
Nebraska SOS - Nevada
Nevada SOS - New Hampshire
New Hampshire SOS - New Jersey
New Jersey DOR - New Mexico
New Mexico SOS - New York
New York DOS - North Carolina
North Carolina SOS - North Dakota
North Dakota SOS - Ohio
Ohio SOS - Oklahoma
Oklahoma SOS - Oregon
Oregon SOS - Pennsylvania
Pennsylvania DOS - Rhode Island
Rhode Island SOS - South Carolina
South Carolina SOS - South Dakota
South Dakota SOS - Tennessee
Tennessee SOS - Texas
Texas Comptroller - Utah
Utah DOC - Vermont
Vermont SOS - Virginia
Virginia SCC - Washington
Washington SOS - Washington DC
DC DLCP - West Virginia
West Virginia SOS - Wisconsin
Wisconsin DFI - Wyoming
Wyoming SOS
Trademark & related lookups
Prefer we do it for you?
Every Gullia Filing United States formation package includes a name reservation check and re-file guarantee if the name is rejected.
Ready to file?
Once you have a name, Gullia Filing handles the rest. Formation, EIN, Registered Agent and compliance in one flow.