3 Best Registered Agents in Connecticut (2026): Prices Tracked
Connecticut watchlist, 2026: CT Registered Agent.org ($99/yr), Mainstay Filing ($149/yr) and Connecticut Registered Agent.co ($99/yr) lead the registered agents, best value first. A first year of agent service runs $99 to $149; by year three the total is $297 to $447.
Tracked by the Filing Price Watch editorial team
Ordered by:
Best value first, using our five measures
The short version
Is it mandatory?Yescga.ct.gov (pulled October 2026, noted here)
Year-one prices$99 to $149Charged each year
Years 1 to 3 combined$297 to $447Year one and both renewals
Annual report$80 a yearbusiness.ct.gov (pulled October 2026, noted here)
Each line above links to the state's own page. Summing them gives the three-year state figure, which covers filing, years two and three of reporting and a minimum tax where there is one.
Notes on the ranking
Tracked three-year cost gave CT Registered Agent.org the lead. It makes up 37% of the order, and filings covered by the price, renewal movement, crossover year and price visibility cover the remainder.
Three years with CT Registered Agent.org come to $297, while Mainstay Filing runs $150 higher over the same stretch.
Connecticut registered agent requirements, as written by the state (Connecticut Secretary of State)
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 statute is Conn. Gen. Stat. § 34-243n.
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.
Source wording: cga.ct.gov (pulled October 2026, noted here)
State fees and nothing else
An owner who meets the address rule may serve free of charge; the services above put a price of $99 to $149 a year on that convenience.
About these prices
How much does a Connecticut registered agent cost per year?
Yearly prices run $99 to $149 here.
What do three years of agent service cost?
Three years of service run $297 to $447.
Is a registered agent required for a Connecticut LLC?
Yes, it does. Every LLC must name a registered agent with an in-state street address.
Can the owner serve as the registered agent?
If you qualify, yes; the requirements section has the rules.
What does the state charge the LLC each year?
Once the LLC exists, Connecticut expects the annual report each year, at $80, on or before March 31.
In what year does one service become pricier than another?
Not in the next ten years. The running totals keep their order.
Which registered agent is the best value in Connecticut?
On our five measures the Connecticut order is CT Registered Agent.org, Mainstay Filing and Connecticut Registered Agent.co, with CT Registered Agent.org ahead on tracked three-year cost.