Connecticut LLC Formation Cost (2026)

Forming an LLC in Connecticut costs

$120

state filing fee, paid once

$80Annual report

NonePublication cost

$120+Est. year-1 total, excl. annual fee

LegalCostCalculator Editorial Team Data sourced from official government websites · Created May 2026 · Reviewed and verified May 2026

LLC Formation Cost Calculator

Select your state to see filing fees, annual report costs, and formation gotchas.

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· Filing: · Est. Year 1:

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LLC Operating Agreement Template

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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 business days. Expedited processing is available (about 2 business days).

Watch out

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

Pro tip

Favorable business court system for LLC disputes.

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.