What an LLC costs in Connecticut (2026)

Forming an LLC in Connecticut costs $120. After that the state charges Annual Report, $80 a year.

Cost	Amount	When
Certificate of Organization	$120	Once, to form	business.ct.gov
Annual Report	Annual Report, $80 a year	Between January 1 and March 31 each year	business.ct.gov

What else an LLC owner pays

The fees above are what the state charges the LLC. The bigger cost is tax on the profit: a single-member LLC pays the same income tax and self-employment tax as a sole proprietor. At $100,000 of profit that comes to $25,952 a year in Connecticut, fees included. An S corp election can lower it: LLC vs S corp in Connecticut.

Annual report filed online only. The $250 business entity tax was repealed for periods beginning after 2018.

Questions

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

$120 to file the Certificate of Organization.

How much does an LLC cost per year in Connecticut?

Annual Report, $80 a year.

When is the Connecticut LLC report due?

Between January 1 and March 31 each year.

Does an LLC pay Connecticut income tax?

Not by itself, in most cases: a single-member LLC's profit is taxed on the owner's return. Connecticut taxes personal income in 7 brackets, from 2% to 6.99% (2026, single filer).

Other states