Secretary of State CT Business Search

Official Connecticut Secretary of State business search database. Access the CT SOS business entity database to verify corporations, LLCs, partnerships, and other business registrations in Connecticut. Free government database with real-time information.

Connecticut

About Connecticut Secretary of State Business Search

What is the Connecticut SOS Business Search?

The Connecticut Secretary of State business search is the official government database that contains information about all business entities registered in Connecticut. This includes corporations, limited liability companies (LLCs), partnerships, and other business structures operating in CT.

When you search "secretary of state ct business search," you're looking for this official database to verify business registrations, check entity status, and conduct due diligence on Connecticut businesses.

What Information Can You Find?

•Business entity name and type (Corporation, LLC, etc.)
•Registration date and current status
•Registered agent information
•Principal office address
•Officers and directors (for corporations)
•Annual report filing status

Using Connecticut Business.CT.gov (Secretary of the State)

Connecticut routes business entity search and UCC enquiry through service.ct.gov (Business.CT.gov). Public business lookup uses the online business search. UCC and related commercial lien enquiries use a separate online enquiry app on the same platform. Most new filings, annual reports, and UCC submissions are filed online through Business.CT.gov and usually require a Business.CT.gov account, as described on the Secretary of the State Business Services pages.

SOS information

Connecticut business entities & Secretary of State workflows

Look up a corporation, LLC, or other registered entity

Use online business search for entities on file with the Secretary of the State. Search by business name (exact spelling) or Business ID. The inquiry screen can show annual report due dates and recent filing context when you open a record.

Trademark and service mark searches use a separate Business.CT.gov tool; the standard business search is for registered entities and related inquiry.

File or manage my business online

The Secretary of the State directs most business filings to Business.CT.gov with a secure login. After you sign in, use Start your business, Manage your business, or UCC liens as the site presents them. Paper filings are generally submitted through the same portal rather than by mail when possible.

Search Connecticut Businesses Now

UCC information

Financing statements & lien search

Connecticut UCC and related commercial lien enquiries use the Secretary of the State online enquiry application on Business.CT.gov, separate from the standard business entity search screen.

UCC filings (liens, financing statements)

Use online enquiry for UCC search and enquiry workflows the state exposes on this path. New UCC filings and amendments are typically completed after logging into Business.CT.gov (UCC liens menu), not only through the public enquiry screen.

Tips if the site feels confusing

Treat online business search and online enquiry as different apps. Entity status is not the same workflow as UCC lien enquiry.
If you cannot file without an account, that matches Connecticut's stated policy for Business.CT.gov filing.
Keep Business ID or UCC file references exactly as shown on prior documents when the forms ask for them.
Official answers on fees, forms, and deadlines belong to the Connecticut Secretary of the State and your advisors, not third-party sites.

Search Connecticut UCC Filings Now

Educational overview only. Proof of Good Standing is not a government agency. Confirm fees, forms, and requirements on the Connecticut Secretary of the State before you file or rely on search results.

Form a business

Starting a business in Connecticut

Entity search on this page helps you verify names and good standing. When you are ready to form a new LLC, corporation, or nonprofit, use the same next steps we link from Business Lookup: confirm the name on the official register, choose a structure with your CPA or attorney if needed, then file through the state agency (and plan for publication, registered agent, and any industry licenses that apply).

Typical state filing fees

These amounts can change when agencies update their fee schedules. Double-check the current fee list, forms, and deadlines on the official Connecticut business filing site yourself before you pay or submit anything.

LLC filing (state): $120
Corporation filing (state): $250
Publication / notice: Not modeled as required for LLCs in this table.
Ongoing reports: Annual report (LLC): $80 included in our first-year calculator total.