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Registered agent quote boards · Connecticut

3 Best Registered Agents in Connecticut (2026): Live Quotes

Our 2026 board for registered agents for Connecticut ranks Mainstay Filing ($149/yr), Connecticut Registered Agent.co ($99/yr) and CT Registered Agent.org ($99/yr), best value first. Quotes open at $99 to $149 and read $297 to $447 after three years.

Readings by the LLC Cost Lab editorial team

Ranked on: Cost weighs 36% and filings handled 30% in the ranking

Connecticut readings

Registered agent compulsory?Yescga.ct.gov (logged October 2026) for the record
Quotes at year one$99 to $149Yearly agent charge
Readings after 3 years$297 to $447Opening quote + two renewals
Annual report$80/yearbusiness.ct.gov (logged October 2026) for the record
Crossover yearNo crossingNo quote passes another

Connecticut: quotes, best value first

Ranked by the lab method. State fees do not hinge on the agent.

1. Mainstay Filing: best for a quote that is the same in every state

Ranks first

$149/yr, then $149/yr

Opening quote
$149
Renewal quote
$149/yr
Reading at year 3
$447

Mainstay Filing leads the board because a flat $149 yearly, whichever state applies.

Connecticut Registered Agent.co saves $150 over three years and leaves more filings with you.

Quote includes

  • An office address inside the state
  • Three government mailings a year, scanned free of charge
  • Also serves nonprofits, corporations, LPs and LLPs

Reads well

  • Year 1 $149, year 2 $149
  • The same price in all fifty states

Reads poorly

  • Connecticut Registered Agent.co is $50 cheaper each year
  • You still do the reports
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. Connecticut Registered Agent.co: best for owners tracking every dollar

Connecticut focus

$99/yr, then $99/yr

Opening quote
$99
Renewal quote
$99/yr
Reading at year 3
$297

Next on the board, Connecticut Registered Agent.co: a one-state agent at $99 a year.

Quote includes

  • A physical in-state office
  • Legal documents posted to your account

Reads well

  • Lower yearly quote than Mainstay Filing
  • $99 annually, no increase

Reads poorly

  • No help outside the state
  • The annual report remains your task
Visit Connecticut Registered Agent.coPartner link. We may earn money if you buy.

3. CT Registered Agent.org: best for another in-state address

Connecticut focus

$99/yr, then $99/yr

Opening quote
$99
Renewal quote
$99/yr
Reading at year 3
$297

Next on the board, CT Registered Agent.org: a one-state agent at $99 a year.

Connecticut Registered Agent.co publishes the same prices.

Quote includes

  • A physical in-state office
  • Legal documents posted to your account

Reads well

  • Lower yearly quote than Mainstay Filing
  • $99 annually, no increase

Reads poorly

  • No help outside the state
  • The annual report remains your task
Visit CT Registered Agent.orgPartner link. We may earn money if you buy.

Readings over time

RankQuote fromReading, year 1Reading, year 2Reading, year 3Reading, year 5
1Mainstay Filing$149$298$447$745Visit Mainstay FilingPartner link. We may earn money if you buy.
2Connecticut Registered Agent.co$99$198$297$495Visit Connecticut Registered Agent.coPartner link. We may earn money if you buy.
3CT Registered Agent.org$99$198$297$495Visit CT Registered Agent.orgPartner link. We may earn money if you buy.
Year one plus renewals, using prices sampled November 13, 2026. No break-even appears inside ten years.

Run your own reading

How long will the company run? Set the years and compare.
Reading after 3 years: Mainstay Filing $447, Connecticut Registered Agent.co $297, CT Registered Agent.org $297. Lowest reading: Connecticut Registered Agent.co.

Connecticut fee schedule

ChargeValueReference
Cost to form$120business.ct.gov (logged October 2026) for the record
Annual report$80 every yearbusiness.ct.gov (logged October 2026) for the record
State fees summed, years 1 to 3$280Our sum
Our state figure counts three items: the filing, two years of reports and a minimum tax where one exists. Variable costs like publication are excluded.

Why quote one is quote one

Weight 30%: filings handled per dollar. That term separated the top two quotes.

One agent for any state beat the one-state quote.

Connecticut registered agent requirements, quoted from the source (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. Law cited: 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.

Quoted text: cga.ct.gov (logged October 2026) for the record

Filing it yourself, measured

With no service the agent line reads zero, provided you qualify, and the state charges the same. Services run $99 to $149 a year.

Questions

What does a Connecticut registered agent charge each year?

Plan on $99 to $149 a year.

What do three years of agent service cost?

$297 to $447 across the quotes, not counting state fees.

Must a Connecticut LLC keep a registered agent on record?

Yes. Every LLC must name a registered agent with an in-state street address.

Is the owner allowed to be the registered agent?

You can, provided you meet both the address and eligibility rules.

What does the state bill the LLC every year?

$80 annually for the annual report, deadline described as on or before March 31.

When does one quote pass another in total cost?

They hold the same order for ten years.

Which registered agent ranks best in Connecticut?

The top quote is Mainstay Filing, then Connecticut Registered Agent.co, then CT Registered Agent.org.

Keep comparing

Logged references

  1. Bench note on Connecticut Secretary of the State: business.ct.gov, August 2026.
  2. Bench note on Connecticut Secretary of the State: business.ct.gov, August 2026.
  3. Bench note on Connecticut yearly filing: Annual report: business.ct.gov, October 2026.
  4. Bench note on Connecticut report due date: cga.ct.gov, August 2026.
  5. Bench note on Connecticut formation fee: Filing fee: business.ct.gov, October 2026.
  6. Bench note on Connecticut formation fee: Filing fee: business.ct.gov, October 2026.
  7. Mainstay Filing Connecticut service page, sampled November 13, 2026
  8. Connecticut Registered Agent.co pricing page, sampled November 13, 2026
  9. CT Registered Agent.org pricing page, sampled November 13, 2026