Connecticut LLC - reviewed October 1, 2026

How much does an LLC cost in Connecticut?

Connecticut charges $120 to file an LLC Certificate of Organization and $80 for the annual report, filed online each year from January 1 to March 31.

Certificate of Organization filing
$120

The Certificate of Organization fee is $120 and includes appointing a statutory agent. The domestic LLC annual report fee is $80.

Official source

What does Connecticut charge to form and maintain an LLC?

Formation document and methodFile a Certificate of Organization, which must include the appointment of a statutory agent, online through a Business.CT.gov account or on paper. Expedited service is available only for online filings.
Formation charges$120 for the Certificate of Organization. A name reservation costs $60.
Recurring filing$80 annual report for a domestic LLC. All annual reports are filed online.
First and later due datesThe annual report is filed online each year from January 1 to March 31. Business.CT.gov shows the next due date for each company.
Registered agent and officeEach LLC must designate and maintain a registered agent in Connecticut. The designation affirms that the agent has consented to serve.
Taxes and other costsChanging the agent, the agent address or the business address costs $50 each. State tax registration, local licenses and paid agent service are separate.

When is the Connecticut LLC annual report due?

The annual report is filed online each year from January 1 to March 31 and costs $80. Business.CT.gov emails the filer about a month before it is due and shows the due date on the company page.

Does a Connecticut LLC need a registered agent?

Yes. Each Connecticut LLC must designate and maintain a registered agent in the state, and the designation affirms that the agent has consented to serve. The agent is appointed in the Certificate of Organization.

What comes after the LLC filing?

Keep the accepted formation documents and your operating agreement, obtain an EIN when needed and check Connecticut tax registration and local licenses for the business activity.

Use the EIN guide for founders without an SSN if it fits your situation. An EIN does not replace state tax registration.

Which costs are outside the Connecticut filing fees?

Changing the agent, the agent address or the business address costs $50 each. State tax registration, local licenses and paid agent service are separate from the $120 and $80 filings.

Compare the known state charges in the calculator and the 50-state and DC fee table. If the business works elsewhere, review when another state can require registration before choosing a formation state.

Which official sources support these figures?

Frequently Asked Questions

How much does it cost to form an LLC in Connecticut?

The Certificate of Organization fee is $120.

How much is the Connecticut LLC annual report?

$80, filed online from January 1 to March 31.

Does Connecticut allow paper annual reports?

No. The state says all annual reports must be filed online.

Is expedited service available in Connecticut?

Yes, for online filings only. It is not available for paper forms mailed in.

Does a Connecticut LLC need a registered agent?

Yes. It must designate and maintain a registered agent in the state.

Official sources reviewed October 1, 2026. This guide covers an ordinary domestic LLC, not a personal legal or tax ruling. Government charges can change.

More state guides to compare