LLC Filing Guide

LLC name search links by state (2026)

17 states have an official search link recorded here. A search result is preliminary: the filing office decides when it reviews your document. Mainstay Filing, our best overall pick, runs the check for you.

StateSearchWhat the state says
Arkansassos-corp-search.ark.org/Free public search: https://sos-corp-search.ark.org/ . Reservation (RN-06): $22.50 online, $25 paper, "reserved for a 120 day period" (LLCs: "with 1 renewal in 120 days").
Delawareicis.corp.delaware.gov/Ecorp/NameReserv/NameReservation.aspxName availability: https://icis.corp.delaware.gov/Ecorp/NameReserv/NameReservation.aspx . Reservation is optional and holds the name "for a period of 120 days"; fee $75 (§ 18-1105(a)(1)).
Floridasearch.sunbiz.org/Inquiry/CorporationSearch/ByNameFree public search: https://search.sunbiz.org/Inquiry/CorporationSearch/ByName (no login). Reservation: the Division FAQ says the name is reserved "for a period of 120 days" and the fee page lists "Name Reservation $25.00", but the…
Indianabsd.sos.in.gov/publicbusinesssearchFree business search: https://bsd.sos.in.gov/publicbusinesssearch . Name Reservation on INBiz: $10 (Fee Calculator, "Name Reservation Filings"). I did not confirm the reservation period on an official page (the statute site is unreadable…
Kansaswww.sos.ks.gov/eforms/BusinessEntity/NameAvailability.aspxName availability search: https://www.sos.ks.gov/eforms/BusinessEntity/NameAvailability.aspx (CloudFront 403 to this server). Reservation: Form NR, "effective for 120 days", not renewable. Form NR (Rev. 1/1/24) states a $35 fee; the…
Maineapps3.web.maine.gov/nei-sos-icrs/ICRSFree Corporate Name Search: https://apps3.web.maine.gov/nei-sos-icrs/ICRS . Reservation: Form MLLC-1, $20 (forms page; §1680(1)), "for a period of 120 days", not renewable (§1509).
Mississippicorp.sos.ms.gov/corpreporting/Corp/BusinessSearch3Public business search: https://corp.sos.ms.gov/corpreporting/Corp/BusinessSearch3 (no login). Reservation: $25 (F0110), held "for a period of one hundred eighty (180) days".
Nebraskawww.nebraska.gov/sos/corp/corpsearch.cgi?nav=searchFree Corporate & Business Search: https://www.nebraska.gov/sos/corp/corpsearch.cgi?nav=search . Reservation: $30 (fee page), held "for a one-hundred-twenty-day period" (§ 21-109).
New Jerseywww.njportal.com/DOR/BusinessNameSearch/Free Business Name Search: https://www.njportal.com/DOR/BusinessNameSearch/ . Reservation: $50, "reserved for the applicant's exclusive use for a 120-day period".
New Yorkapps.dos.ny.gov/publicInquiry/The Corporation and Business Entity Database (https://apps.dos.ny.gov/publicInquiry/) "should not be used to determine the acceptability of an Entity Name." A written name availability search is $5 per name. Application for Reservation of…
Oklahomawww.sos.ok.gov/corp/corpInquiryFind.aspxFree name availability search (https://www.sos.ok.gov/corp/corpInquiryFind.aspx). Reservation $10 for 60 days (§ 2009); extension or renewal $10.
Oregonegov.sos.state.or.us/br/pkg_web_name_srch_inq.login$100 (fee schedule "Application for Name Reservation $100.00"), held for 120 days (ORS 63.097). Free Business Name Search: https://egov.sos.state.or.us/br/pkg_web_name_srch_inq.login
Rhode Islandbusiness.sos.ri.gov/CorpWeb/CorpSearch/CorpSearch.aspxFree Corporate Database search (https://business.sos.ri.gov/CorpWeb/CorpSearch/CorpSearch.aspx). Reservation of Entity Name, Form 620: $50 (+$2.50 online), held 120 days.
South Dakotasosenterprise.sd.gov/BusinessServices/Business/NameAvailability.aspxFree name availability search: https://sosenterprise.sd.gov/BusinessServices/Business/NameAvailability.aspx . Reservation $25 for "one hundred twenty days"; the same applicant can't reserve the same name again until 60 days after it…
Tennesseetncab.tnsos.gov/business-entity-searchBusiness Entity Search: https://tncab.tnsos.gov/business-entity-search . Name reservation: Form SS-9425, $20. (Reservation period not confirmed on an official page.)
Vermontbizfilings.vermont.gov/business/businesssearchFree business search: https://bizfilings.vermont.gov/business/businesssearch . Reservation $25, held "for 120 days" (11 V.S.A. § 1652, added 2025).
Wyomingwyobiz.wyo.gov/business/filingsearch.aspxFree search on WyoBiz (https://wyobiz.wyo.gov/business/filingsearch.aspx). Reservation: "reserved for the applicant's exclusive use for a one hundred twenty (120) day period" (W.S. 17-29-109). The reservation fee isn't listed on the LLC…

The other states

Use the filing office’s own business search: Alabama · Alaska · Arizona · California · Colorado · Connecticut · Georgia · Hawaii · Idaho · Illinois · Iowa · Kentucky · Louisiana · Maryland · Massachusetts · Michigan · Minnesota · Missouri · Montana · Nevada · New Hampshire · New Mexico · North Carolina · North Dakota · Ohio · Pennsylvania · South Carolina · Texas · Utah · Virginia · Washington · West Virginia · Wisconsin.