Connecticut Foreign LLCs (2026): Registration Fees and the 3 Best Services
The 2026 Connecticut entry for foreign LLC registration names Mainstay Filing ($199), CT Registered Agent.org ($199) and Connecticut Registered Agent.co ($199), in that order. Almanac figures: $120 to register, $80 per report after. That ranks Connecticut 27th of 50.
Order from the five weighted criteria on the methodology page: three-year service fees at 32%, filings covered at 28%, then renewal price, fit with Connecticut rules and clarity of fees.
1. Mainstay Filing: best for an expanding company
Where we would begin$199 and fees; $149 a year later
We enter Mainstay Filing first: $199 plus Connecticut's own fee, then $149 a year for the agent from year two.
CT Registered Agent.org comes in $100 lower across three years, yet coverage counts ahead of that gap in our method.
The free agent year ends and $149 a year begins, wherever the company registers.
In the price
The registration filing, handled for you
The registered agent role costs nothing in year one
Connecticut foreign LLC registration fee and form (official)
Registration is made on the Foreign Registration Statement, Limited Liability, lodged with the Connecticut Secretary of the State, Business Services Division, for $120. The application needs certificate of existence (certificate of good standing) from the state of formation, issued within 90 days.
Then the company owes the annual report ($80), between January 1 and March 31.
Filing checklist
Certificate of existence (certificate of good standing) from the state of formation, dated within 90 days.
The LLC's legal name and the date it was formed.
A registered agent with a Connecticut street address (each service above can serve).
Payment of the $120 filing fee.
The price of not registering
Back fees for the unregistered period come due too.
How the Connecticut order was set
Of the five criteria, requirements covered (28%) is where Mainstay Filing pulled ahead of CT Registered Agent.org in Connecticut.
Registering here means two states at once, and one provider for both outscored CT Registered Agent.org.
Connecticut FAQ
What does a foreign LLC pay to register in Connecticut?
$120 paid to the state. The picks add $199.
What is the foreign registration form in Connecticut?
Foreign Registration Statement, Limited Liability, filed with the Connecticut Secretary of the State, Business Services Division.
Is a certificate from the home state required?
Yes, certificate of existence (certificate of good standing) from the state of formation, dated within 90 days of the filing.
What does a foreign LLC owe each year?
It files the annual report for $80.
What happens if the LLC operates there unregistered?
Back fees for the unregistered period come due too.
Does a foreign LLC need a registered agent in Connecticut?
Every LLC must name a registered agent with an in-state street address.
Who should handle the registration?
We would file with Mainstay Filing: the registration costs $199 plus state fees, and the first year as your registered agent is free. Next come CT Registered Agent.org and Connecticut Registered Agent.co.