Registered Agent Compared › Connecticut
Registered agents in Connecticut, compared (2026)
Connecticut requires every LLC to have a registered agent. Of the 7 providers with a published price here, Mainstay Filing is our best overall pick at $149 a year, flat. The state’s own fee to change agents is $50.
- Connecticut rules checked October 20, 2026
- Provider pages read October 2026
The Connecticut line-up
| Provider | How it charges | What its page lists | Fine print |
|---|---|---|---|
| Mainstay Filing | Same price every year | Registered agent in any state, all year; Mail and legal-document scanning and forwarding; Compliance reminders and stored documents | $149 a year, same at renewal |
| Standard Filings | Same price every year | Not itemized on its page | Its page says $199/yr in any state. |
| ResidentAgents.com | Same price every year | Service of process received and scanned the same business day | Its page says the price is the same in all 50 states, with no setup fee. |
| Northwest Registered Agent | Same price every year | Its address on public filings; scans of state and legal mail; up to 5 pieces of other business mail scanned free a year; domain, website, email and phone line | Its page says the price has not gone up in 20 years. $100/yr per state for five or more states. |
| ZenBusiness | Introductory price, higher at renewal | Document receipt, scanning and upload to a dashboard; email notifications | $99 plus state fees for the first year, then $199/yr. |
| Bizee | Same price every year | Compliance notifications; its address on the public record | Standalone price. The first year is free when you form your company through Bizee. |
| LegalZoom | Same price every year | Alerts when mail arrives; documents scanned and uploaded; annual report reminders | Price for first-time agent customers. Auto-renews at the purchase rate; LegalZoom says the renewal rate is subject to change. |
Connecticut agent rules
- Requirement
- Required. A Connecticut resident, or a business entity formed in Connecticut or registered there. The agent signs to accept the appointment.
- Address
- 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.
- Change-of-agent fee
- $50
- Statute
- Conn. Gen. Stat. § 34-243n
Questions
Which registered agents serve Connecticut?
7 providers have a published price for Connecticut, including Mainstay Filing (best overall): Mainstay Filing, Standard Filings, ResidentAgents.com, Northwest Registered Agent, ZenBusiness, Bizee and LegalZoom.
Do I need a registered agent in Connecticut?
Yes. A Connecticut resident, or a business entity formed in Connecticut or registered there. The agent signs to accept the appointment.
Where must the agent be located in Connecticut?
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.
What does it cost to change agents in Connecticut?
The state charges $50 to file the change (Conn. Gen. Stat. § 34-243n).
Sources
- Connecticut registered agent statute (Conn. Gen. Stat. § 34-243n): www.cga.ct.gov/current/pub/chap_613a.htm, checked October 20, 2026
- Connecticut Secretary of State: portal.ct.gov/sots, checked October 20, 2026
- Provider registered agent pages (features and pricing model), checked October 20, 2026