Updated May 2026 Connecticut

Connecticut LLC Formation Cost (2026)

Complete breakdown of Connecticut LLC costs — from the initial filing fee to annual report fees, publication requirements, and ongoing taxes.

LegalCostCalculator Editorial Team Data sourced from official government websites · Last reviewed: May 2026

$120

Filing Fee

One-time

$80

Annual Report

Recurring

None

Publication Cost

$120+

Est. Year-1 Total

Excl. annual fee

LLC Formation Cost Calculator

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Forming an LLC in Connecticut: Full Cost Breakdown

To form an LLC in Connecticut, you file Articles of Organization (sometimes called a Certificate of Formation or Certificate of Organization) with the Connecticut Secretary of State. The state filing fee is $120.

Standard processing time is 5. Expedited processing is available: 2.

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Watch out

Connecticut requires an annual report every year — no biennial option.

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Pro tip

Favorable business court system for LLC disputes.

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Don't forget your Operating Agreement

Even though Connecticut may not legally require it, an Operating Agreement protects your limited liability status and is essential if you have co-founders or a business bank account.

Source: Connecticut Secretary of State ↗

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Registered agent required in Connecticut

Every LLC must designate a registered agent with a physical Connecticut address to receive legal documents. Using a commercial service ($50–$150/yr) keeps your home address off the public record.

Frequently Asked Questions — Connecticut LLC

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

Forming an LLC in Connecticut costs $120 for the state filing fee. The annual report fee is $80 per year. Estimated first-year cost is approximately $120.

What is the LLC filing fee in Connecticut?

The Connecticut LLC filing fee is $120. This one-time charge is paid to the Connecticut Secretary of State to officially register your LLC.

Does Connecticut require an annual report for LLCs?

Yes — Connecticut LLCs must file an annual report with a fee of $80. Failure to file can result in administrative dissolution of your LLC.

Does Connecticut require LLC publication?

No — Connecticut does not require LLC publication. This eliminates a significant additional cost compared to states like New York that mandate it.

What is the Connecticut LLC franchise tax?

Connecticut does not impose a separate franchise tax on LLCs, keeping ongoing operating costs lower.

How do I form an LLC in Connecticut?

To form an LLC in Connecticut: (1) choose a unique name including "LLC" or "Limited Liability Company", (2) appoint a registered agent with a Connecticut address, (3) file Certificate of Organization with the Secretary of State and pay the $120 fee, (4) create an Operating Agreement, and (5) get a free EIN from the IRS. See our full Connecticut LLC formation guide for step-by-step instructions.