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Corporation Filing Fees in Connecticut

In Connecticut, filing a certificate of incorporation costs $100 plus a franchise tax of at least $150, and the annual report fee is $150.

Last checked . General information, not legal advice.

Connecticut at a glance

Articles of incorporation fee
$100 plus $150 minimum franchise tax
A franchise tax based on authorized shares, at least $150, is also due when the certificate is filed.
Annual report fee
$150
Report frequency
Every year
For corporations formed on or after January 1, 2020, the first report is due within 90 days of incorporation, then yearly on that anniversary.

Sources

Last checked

The rules in Connecticut

How much does it cost to file articles of incorporation in Connecticut?

Articles of incorporation fee in Connecticut: $100 plus $150 minimum franchise tax. A franchise tax based on authorized shares, at least $150, is also due when the certificate is filed.

What is the annual report fee for a corporation in Connecticut?

Annual report fee in Connecticut: $150.

How often does a corporation in Connecticut have to file a report with the state?

Report frequency in Connecticut: Every year. For corporations formed on or after January 1, 2020, the first report is due within 90 days of incorporation, then yearly on that anniversary.

Where do the Connecticut corporation filing fees come from?

The rules above come from Conn. Gen. Stat. 33-617, Conn. Gen. Stat. 33-618 and Conn. Gen. Stat. 33-953. Each source is linked on this page. We last checked them in October 2026.

Good to know

Each domestic corporation must file an annual report with the Secretary of the State under Conn. Gen. Stat. 33-953. Reports after the first are filed electronically on the anniversary of the first report.

What this means in practice

Check the filing office's current fee schedule before you file. Fees are set by statute but can change, and some offices add separate charges for expedited processing, certified copies, name reservations, or paying by card.

Note the report due date when the corporation is formed. Missing a periodic report can lead to late fees, loss of good standing, and eventually administrative dissolution, which can affect contracts and lawsuits.

The formation fee is only one part of the cost. Franchise or privilege taxes, publication requirements, and local business licenses are often separate, so budget for them as well.

General information, not legal advice. Laws change, and cities can add their own rules, so check the current statute before you rely on it.