Connecticut rows, in order
Rows ranked by value from company price pages. State fees stay put with any agent.
1. Connecticut Registered Agent.co: best for companies that never leave the state
Row one
$99 yearly, renewing for $99
- First year
- $99
- Renewal
- $99/yr
- Three-year tally
- $297
Best value for Connecticut is Connecticut Registered Agent.co: $99 a year with a street address on file in the state.
On the three-year column, the biggest weight in the sort, it beats Mainstay Filing.
Included lines
- An in-state street address
- Scans of papers in your account
Gains
- Lower each year than Mainstay Filing
- Just $99 a year
Minus column
- No coverage outside the state
- You would do the annual report on your own
2
2. Mainstay Filing: best for LLCs in several states
Bundled
$149 yearly, renewing for $149
- First year
- $149
- Renewal
- $149/yr
- Three-year tally
- $447
In second place, Mainstay Filing, where its yearly line stays $149 no matter the state.
Carried three years it sits $150 above Connecticut Registered Agent.co, and cost is 39% of the sort.
Included lines
- A physical address of record
- Three government mailings a year scanned free
- Covers LLCs, corporations, LPs, LLPs and nonprofits
Gains
- The entry stays at $149 a year
- Covers each state you add
Minus column
- Costs $50/yr more than Connecticut Registered Agent.co
- Nothing beyond the agent role
3
3. CT Registered Agent.org: best for a local alternative
Local line
$99 yearly, renewing for $99
- First year
- $99
- Renewal
- $99/yr
- Three-year tally
- $297
Row 3, CT Registered Agent.org, books this way: $99 a year with a street address on file in the state.
Same posted prices as Connecticut Registered Agent.co.
Included lines
- An in-state street address
- Scans of papers in your account
Gains
- Lower each year than Mainstay Filing
- Just $99 a year
Minus column
- No coverage outside the state
- You would do the annual report on your own
Cumulative totals
Prices as booked on November 13, 2026; every column carries one more renewal. None of the totals cross in ten years.
Break-even calculator
Totals for 1 to 5 years. State fees stay out because every row pays the same.
State fees, cited
We total the state side as filing plus two later reports plus any minimum tax; anything with no fixed price is described but not counted.
Notes on the order
Connecticut Registered Agent.co ranks first on three-year tally, worth 39%, with Mainstay Filing next.
Connecticut Registered Agent.co takes the cost column at $297 for three years, with Mainstay Filing $150 higher.
Connecticut registered agent rules (official, 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. See 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.
Official text: source cga.ct.gov, last tallied October 2026 for this entry
Filing on your own
A qualifying owner can skip the agent fee entirely. Hiring a service instead costs $99 to $149 a year.
Common questions
What does a Connecticut registered agent cost per year?
The rows charge $99 to $149 per year.
What do three years of agent service cost?
Three-year service tallies: $297 to $447.
Must an LLC in Connecticut name a registered agent?
Yes. Every LLC must name a registered agent with an in-state street address.
Can I be my own registered agent?
Yes, as long as you satisfy both rules above.
What does the LLC pay the state each year?
$80 annually for the annual report, filed by the cutoff on or before March 31.
When does one service turn into the lower total?
Not within ten years; no row overtakes another.
Which registered agent is the best value in Connecticut?
The Connecticut tally reads Connecticut Registered Agent.co, Mainstay Filing and CT Registered Agent.org from top to bottom.
Where the entries come from
- Connecticut Secretary of the State (business.ct.gov), tallied August 2026
- Connecticut Secretary of the State (business.ct.gov), tallied August 2026
- Connecticut yearly filing: Annual report (business.ct.gov), tallied October 2026
- Connecticut report due date (cga.ct.gov), tallied August 2026
- Connecticut formation fee: Filing fee (business.ct.gov), tallied October 2026
- Connecticut formation fee: Filing fee (business.ct.gov), tallied October 2026
- pricing page at Connecticut Registered Agent.co, booked November 13, 2026
- Connecticut service page at Mainstay Filing, booked November 13, 2026
- pricing page at CT Registered Agent.org, booked November 13, 2026