Registered Agent Reviewed › Connecticut
How to check a registered agent in Connecticut
Mainstay Filing is our pick in Connecticut at $149 a year. To check any agent here: ask the Connecticut Secretary of State how it records agents, confirm a Connecticut street address, then apply the five criteria.
The Connecticut rule
Every LLC must name a registered agent with an in-state street address. A Connecticut resident, or a business entity formed in Connecticut or registered there. The agent signs to accept the appointment. The address has to be a Connecticut street address that is not a P.O. box, plus a Connecticut mailing address, which can be a P.O. box. Changing agents costs $50. Source: Conn. Gen. Stat. § 34-243n, checked October 20, 2026.
Providers reviewed in Connecticut
- Mainstay Filing $149 a year, same at renewal.
- Standard Filings $199, same afterwards
- ResidentAgents.com $129, same afterwards
- Northwest Registered Agent $125, same afterwards
- ZenBusiness $99, then $199
- Bizee $149, same afterwards
- LegalZoom $249, same afterwards
How do I check a registered agent in Connecticut?
Our data has no commercial agent listing for Connecticut; ask the Connecticut Secretary of State how it handles agents. The address on the filing has to be an in-state street address.
Do I need a registered agent in Connecticut?
Every LLC must name a registered agent with an in-state street address. (Conn. Gen. Stat. § 34-243n).