Everything you need to register a foreign LLC in Connecticut.
State filing fee$120one-time
Registered agent$125/yearbased on Northwest RA
Total, all in$735
Connecticut data last reviewed Aug 15, 2026 · portal.ct.govTotals include the $120 filing fee once, Northwest RA at $125/year, and Connecticut recurring state costs over the selected period.
Connecticut data last reviewed Aug 15, 2026 · portal.ct.gov
Formation in Connecticut
Formation fee
$120
Annual cost
$80/year
State income tax
Income tax up to 6.99%
Privacy
Low
What triggers foreign qualification in Connecticut?
Physical office or place of business
Employees working in the state
Important to know
The annual report is due March 31 on a fixed calendar, not on the registration anniversary, so an LLC registering in February files within weeks.
Penalties continue for each year or part of a year of unregistered operation.
Activities that do NOT require registration in Connecticut
The following activities are explicitly carved out by statute. On their own, they do not require a foreign LLC to register in Connecticut.
Maintaining, defending, mediating, arbitrating, or settling an action or proceeding
Carrying on any activity concerning its internal affairs, including holding meetings of its members or managers
Maintaining accounts in financial institutions
Maintaining offices or agencies for the transfer, exchange and registration of the company's securities, or maintaining trustees or depositories for them
Selling through independent contractors
Soliciting or obtaining orders by any means, if the orders require acceptance outside Connecticut before they become contracts
Creating or acquiring indebtedness, mortgages or security interests in property
Securing or collecting debts, enforcing mortgages or security interests in property securing the debts, and foreclosing on, holding, protecting or maintaining any such property
Conducting an isolated transaction that is not in the course of similar transactions
Owning property, and nothing more
Voting securities or other equity ownership interests owned by the company
Transacting business in interstate commerce
Under Conn. Gen. Stat. Section 34-275d(a). Connecticut puts NO time limit on the isolated-transaction carve-out. Subsection (c) disclaims service of process, taxation and regulation under other Connecticut law.
This page provides general information based on publicly available state requirements. It is not legal advice. Verify with the Connecticut before filing.