Connecticut Secretary of the State, Business Services Division

Connecticut business entity search

Look up a Connecticut business by name, business ID, or EIN. The Secretary of the State's own registry file is searched here, alongside federal filings.

Free search. No account required.Connecticut registry: 1,278,381 registrations (all registrations, every status), records as of 2026-10-07.

Connecticut registry at a glance

Registry agency: Connecticut Secretary of the State, Business Services Division
Office: Secretary of the State Stephanie Thomas; Source: portal.ct.gov · checked 2026-10-06
Phone: (860) 509-6002; Source: portal.ct.gov · checked 2026-10-06
Address: State Office Building, 165 Capitol Avenue, Suite 1000, Hartford, CT 06106; Source: portal.ct.gov · checked 2026-10-06
Mailing address: Secretary of the State, Attention: Administrative Offices, P.O. Box 150470, Hartford, CT 06115-0470; Source: portal.ct.gov · checked 2026-10-06
Hours: Monday to Friday, 8:30 am to 4:00 pm; Source: portal.ct.gov · checked 2026-10-06
Registry number: Business ALEI (Authoritative Legal Entity Identifier); Source: service.ct.gov · checked 2026-10-06

What this page can tell you

Registry status, business ID, business type, registration date, and mailing address, from the Connecticut Secretary of the State, Business Services Division open-data file (every status, active and ended), plus the EIN and federal filings where they exist.

Source: Connecticut Secretary of the State business registry file (data.ct.gov) · records as of 2026-10-07.

What only the state can tell you

Registered agent, principals, filing history, certificates of legal existence, and anything filed since the file date.

Three numbers, three agencies

Asking for the wrong number is a common reason a search comes back empty.

Federal EIN: Internal Revenue Service; Identifies the business for federal tax. It is the same number in every state.; Source: irs.gov
Business ALEI (Authoritative Legal Entity Identifier): Connecticut Secretary of the State, Business Services Division; Identifies the entity's record in the Connecticut registry.; Source: service.ct.gov · checked 2026-10-06
Connecticut tax registration number: Connecticut Department of Revenue Services (DRS); DRS registers businesses for state taxes such as sales and use tax. That account is separate from the Secretary of the State ALEI and from the federal EIN issued by the IRS.; Source: business.ct.gov · checked 2026-10-06

What a Connecticut status means

Active: The business is on record and has not been dissolved, forfeited, revoked, or withdrawn.; Source: data.ct.gov · checked 2026-10-06
Forfeited: The business lost its rights, typically after failing to file required annual reports.; Source: data.ct.gov · checked 2026-10-06
Dissolved: The business has ended its existence, by its own filing or by the Secretary of the State.; Source: data.ct.gov · checked 2026-10-06
Withdrawn: A foreign business withdrew its registration to transact business in Connecticut.; Source: data.ct.gov · checked 2026-10-06
Revoked: The Secretary of the State revoked a foreign business's registration.; Source: data.ct.gov · checked 2026-10-06
Cancelled: The registration or filing was cancelled.; Source: data.ct.gov · checked 2026-10-06
Merged: The business merged into another entity.; Source: data.ct.gov · checked 2026-10-06

Fees and annual filings

LLC formation: $120 (Certificate of Organization, including appointment of statutory agent); Source: business.ct.gov · checked 2026-10-06
Corporation formation: $250 (Certificate of Incorporation, which includes the minimum franchise tax for up to 20,000 authorized shares) plus $150 for the Organization and First Report; Source: business.ct.gov · checked 2026-10-06
Annual filing: Annual Report; Source: business.ct.gov · checked 2026-10-06
Annual fee, LLC: $80; Source: business.ct.gov · checked 2026-10-06
Annual fee, corporation: $150 for a stock corporation; $50 for a non-stock corporation; Source: business.ct.gov · checked 2026-10-06
When it is due: LLCs, LLPs, and LPs file online each year between January 1 and March 31. A corporation's due date is shown on its record and falls on its registration anniversary.; Source: business.ct.gov · checked 2026-10-06
Late filing: No late fee was found on the pages read. An overdue business cannot get a certificate of legal existence, and the Secretary of the State may dissolve it.; Source: business.ct.gov · checked 2026-10-06
Filed with: Connecticut Secretary of the State, online through Business.CT.gov; Source: business.ct.gov · checked 2026-10-06
Minimum franchise tax on authorized shares: Connecticut Secretary of the State. Paid when the certificate of incorporation is filed, and again when an amendment increases authorized shares. The $250 certificate of incorporation fee includes the minimum franchise tax for up to 20,000 authorized shares; more shares follow a separate franchise schedule. This is a filing-time charge, not the Department of Revenue Services corporation business tax.; Source: business.ct.gov · checked 2026-10-06
Note: Fee schedule revised July 1, 2020. Annual reports are filed online.; Source: business.ct.gov · checked 2026-10-06

As published by the Connecticut Secretary of the State, Business Services Division, checked 2026-10-06. Fees change, and the official schedule decides.

Forming or running a business in Connecticut

Registered agent: Connecticut calls it a statutory agent. The Certificate of Organization for an LLC must appoint one, and the annual report updates the agent's details.; Source: business.ct.gov · checked 2026-10-06
Business forms and fees: Official Connecticut business forms and fees →

Connecticut businesses on file

AMPHENOL CORPORATION & AFFILIATED COMPANIESEIN 22-2785165
RTX CORPORATIONEIN 06-0570975
CITIGROUP INC.EIN 52-1568099
RAYTHEON COMPANYEIN 95-1778500
HARMAN INTERNATIONAL INDUSTRIES, INC.EIN 11-2534306
STANLEY BLACK & DECKER, INC.EIN 06-0548860
UNITED RENTALS (NORTH AMERICA), INC.EIN 86-0933835
XPO LOGISTICS, INC.EIN 03-0450326
XEROX CORPORATIONEIN 16-0468020
PITNEY BOWES INC.EIN 06-0495050
UNITED RENTALS, INC.EIN 06-1522496
GARTNER, INC.EIN 04-3099750
SS&C TECHNOLOGIES, INCEIN 06-1169696
HUBBELL INCORPORATED & SUBSIDIARIESEIN 06-0397030
CRANE COMPANYEIN 88-2846451
KAMAN CORPORATIONEIN 06-0613548
FACTSET RESEARCH SYSTEMS INC.EIN 13-3362547
ROLLER BEARING CO OF AMERICA, INC.EIN 13-3426227
HEXCEL CORPORATIONEIN 94-1109521
PETROLEUM HEAT AND POWER CO., INC.EIN 06-1183025
BARNES GROUP INC.EIN 06-0247840
ALKEGENEIN 06-0865505
MACDERMID, INC.EIN 06-0435750
WORLD WRESTLING ENTERTAINMENT, INC.EIN 04-2693383

All 213 Connecticut businesses on file →

Sources

A fact that could not be confirmed on an official page is left out.

https://portal.ct.gov/sotschecked 2026-10-06
https://portal.ct.gov/sots/general/contact-us/contact-us---mainchecked 2026-10-06
https://service.ct.gov/business/s/onlinebusinesssearch?language=en_USchecked 2026-10-06
https://business.ct.gov/knowledge-base/articles/domestic-annual-report-forms-and-feeschecked 2026-10-06
https://business.ct.gov/knowledge-base/articles/domestic-limited-liability-companies-forms-and-feeschecked 2026-10-06
https://business.ct.gov/-/media/businessonestop/fee-schedule-revised-712020.pdfchecked 2026-10-06
https://business.ct.gov/business-services/file-annual-reportchecked 2026-10-06
https://data.ct.gov/Business/Connecticut-Business-Registry-Business-Master/n7gp-d28jchecked 2026-10-06
https://business.ct.gov/get-helpchecked 2026-10-06