The numbers behind Connecticut
36th
of 50 when a year of state charges is added up
Connecticut: the ranked providers
How the order was drawn: charges over three years, coverage, renewal, Connecticut fit, fee labeling (
method).
Best route
1. CT Registered Agent.org: best for a tight agent budget
$99 for a year; renewal price $99
CT Registered Agent.org leads the chart because $99 per year with no change at renewal, a good fit for a company that stays put.
Three-year provider charges are lower than Mainstay Filing's, and cost is our heaviest criterion at 36%.
Price covers
- An address inside the state for the registered office
- You can read served papers online as scans
Upside
- $99 each year
- Beneath Mainstay Filing on yearly price
Downside
- Nothing beyond this state
- Annual report stays with you
Bundled
2. Mainstay Filing: best for owners who might enter other states
$149 for a year; renewal price $149
Spot 2 is Mainstay Filing: $149 yearly, flat, from a provider that operates across the whole country.
Provider charges over three years are $150 higher than CT Registered Agent.org's, and cost carries 36% of the score.
Price covers
- Connecticut street address for the registered office
- Court papers or notices served on the company are scanned the same business day, with no fee
- Mail from government offices is scanned free, up to three pieces each year
- Not just for LLCs: corporations, LPs, LLPs and nonprofits can use it
Upside
- Flat $149/yr
- Any state, one price
Downside
- A yearly premium of $50 over CT Registered Agent.org
- An agent-only plan, so the reports stay with you
Home-state option
3. Connecticut Registered Agent.co: best for a nearby agent
$99 for a year; renewal price $99
Just behind comes Connecticut Registered Agent.co, where $99 per year with no change at renewal, a good fit for a company that stays put.
Price for price it equals CT Registered Agent.org.
Price covers
- An address inside the state for the registered office
- You can read served papers online as scans
Upside
- Beneath Mainstay Filing on yearly price
- $99 each year
Downside
- Nothing beyond this state
- Annual report stays with you
Prices in a row
Prices were taken from each company's own pages on November 12, 2026. Connecticut's own charges stay the same whichever agent you name.
Agent and state fees, year by year
Each agent's price is added to the state charges that repeat (the annual report from year two). The formation fee is not part of the total.
Connecticut and the states beside it on the chart
The registered agent requirement here
Every LLC must name a registered agent with an in-state street 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.
Who the state allows: A Connecticut resident, or a business entity formed in Connecticut or registered there. The agent signs to accept the appointment. Legal source: Conn. Gen. Stat. § 34-243n.
Connecticut's repeating fees
Each year brings the annual report ($80), on or before March 31. Notices on it are sent to your registered agent.
How the Connecticut ranking was drawn
For Connecticut, the criterion that decided it was service cost across three years, at 36%.
CT Registered Agent.org totals $297 over three years, which is $150 less than Mainstay Filing.
Questions answered
Is a registered agent required for every Connecticut LLC?
Yes. Every LLC must name a registered agent with an in-state street address.
Who qualifies as the registered agent for a Connecticut LLC?
A Connecticut resident, or a business entity formed in Connecticut or registered there. The agent signs to accept the appointment.
How much does Connecticut registered agent service run each year?
$99 to $149 per year, going by the ranking above.
What does the state bill an LLC every year?
$80 per year by our yearly measure, which is the annual report ($80 every year).
Which registered agents does this chart rank?
CT Registered Agent.org ($99 a year), Mainstay Filing ($149 a year) and Connecticut Registered Agent.co ($99 a year), in the sequence of the chart.
Which registered agent should I use?
Our route runs through CT Registered Agent.org: a local agent at $99 per year whose street address goes on the public record. After it, Mainstay Filing and Connecticut Registered Agent.co.
Where each number comes from
- Figure on Connecticut Secretary of the State, Business Services Division: business.ct.gov (seen August 2026).
- Figure on Connecticut Secretary of the State, Business Services Division: business.ct.gov (seen August 2026).
- Figure on Connecticut yearly filing: Annual report: fee, official source: business.ct.gov (seen October 2026).
- Figure on Connecticut report due date: cga.ct.gov (seen August 2026).
- Figure on Connecticut formation fee: Filing fee, official source: business.ct.gov (seen October 2026).
- Figure on Connecticut formation fee: Filing fee, official source: business.ct.gov (seen October 2026).
- Figure on Illinois Secretary of State, Department of Business Services: ilsos.gov (seen August 2026).
- Figure on Illinois Secretary of State, Department of Business Services: ilsos.gov (seen August 2026).
- Figure on New Jersey Division of Revenue and Enterprise Services: njportal.com (seen August 2026).
- Figure on New Jersey Division of Revenue and Enterprise Services: njportal.com (seen August 2026).
- Figure on Maine Secretary of State: maine.gov (seen August 2026).
- Figure on Maine Secretary of State: maine.gov (seen August 2026).
- Figure on New Hampshire Secretary of State, Corporations Division: sos.nh.gov (seen August 2026).
- Figure on New Hampshire Secretary of State, Corporations Division: sos.nh.gov (seen August 2026).
- CT Registered Agent.org: pricing page as the company showed it on November 12, 2026
- Mainstay Filing: Connecticut service page as the company showed it on November 12, 2026
- Connecticut Registered Agent.co: pricing page as the company showed it on November 12, 2026