LLC Formation Cost — Connecticut 2026

The state filing fee to form an LLC in Connecticut is $175. Annual maintenance costs include annual report ($80) plus a registered agent. Calculate your total first-year and ongoing costs below.

LLC Cost Calculator — Connecticut

LLC Costs in Connecticut — Complete Breakdown

Connecticut charges a $175 filing fee for an LLC. The annual report is $80 due March 31 each year. Connecticut has no franchise tax on standard LLCs. Connecticut's formation is mid-range but has moderate ongoing costs.

Cost ItemAmountWhen Due
State Filing Fee$175One-time at formation
Annual report$80Annually
Registered Agent Service$49–$300/yearAnnually (at renewal)
Operating Agreement$0–$1,500One-time (recommended)
EIN (Federal Tax ID)FreeOne-time (IRS.gov)
Business Bank Account$0–$50/monthMonthly or free

Estimated Costs Summary

PeriodEstimated Cost
First Year (state fees + $49 RA)$304
Ongoing Annual (state fees + $49 RA)$129/year
5-Year Total Cost (+ RA)$820

Recommended: Northwest Registered Agent

Northwest Registered Agent provides registered agent service in Connecticut for $49/year — the lowest price in the industry. They also include a free year of registered agent service when you use them to form your LLC. Vanderflip Financial's preferred partner for LLC formation.

Form Your LLC with Northwest →

FTC Disclosure: Vanderflip Financial may earn a commission if you use this link. We only recommend services we've evaluated.

Frequently Asked Questions — LLC in Connecticut

The Connecticut state filing fee is $175. In the first year, total costs including a registered agent (~$49) and annual state fees ($80) amount to approximately $304. Ongoing annual costs are approximately $129/year.

Yes — Connecticut requires all LLCs to maintain a registered agent with a physical Connecticut address. You can serve as your own registered agent if you have a Connecticut address, or hire a professional service. Professional services (~$49-$300/year) keep your personal address off public records and ensure you receive legal documents even when you're unavailable.

Annual report: $80. Plus registered agent service (~$49/year). Total ongoing: approximately $129/year.

For most small businesses that operate in Connecticut, forming in Connecticut is the right choice. If you form in Delaware or Wyoming and do business in Connecticut, you'll likely need to register as a foreign LLC in Connecticut — paying fees in both states. Delaware and Wyoming make sense for businesses seeking venture capital, planning complex ownership structures, or operating entirely online without a home state nexus.

Standard LLC formation in Connecticut typically takes 5–15 business days. Expedited processing is available for an additional fee and can reduce processing to 1–3 business days in most states. Online filing through the Secretary of State's website is the fastest option. Using a registered agent service like Northwest can also expedite the process.