Connecticut
Connecticut Secretary of State - Business Services Division
Contact for business filings
- Phone
- 860-509-6003
- Fax
- (860) 509-6068
- [email protected]
- Mail filings to
- Business Services Division, Connecticut Secretary of the State, P.O. Box 150470, Hartford, CT 06115-0470
- Walk in
- State Office Building, 165 Capitol Avenue, Suite 1000, Hartford, CT 06106 State Office Building (BSD walk-in)
Filing facts
- Form an LLC: $120 state fee
- Register a foreign LLC: $120 state fee
- LLC annual report: $80 state fee
- Franchise tax: applies.
- How you can file an LLC formation: onlineemailfaxmailwalk in
- Every Connecticut corporation and LLC must keep a registered agent with a street address in Connecticut.
Fees are the statutory amounts on file as of 2026-08-04; the state may add processing or expedite charges.