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What a registered agent costs by state / Connecticut

3 Best Registered Agents in Connecticut (2026): What You Pay

CT Registered Agent.org ($99/yr), Mainstay Filing ($149/yr) and Connecticut Registered Agent.co ($99/yr) give you the best value among Connecticut registered agents for 2026, in that order. A registered agent will charge you $99 to $149 to start, adding up to $297 to $447 over three years.
Written by the Price Your LLC editorial team

↓ Ranked for you by: Ranking = 38% what you spend + 31% work covered + three smaller factors (details)

Your Connecticut budget

Required by law? Yes cga.ct.gov (we looked on October 2026, so you can too)
First-year prices $99 to $149 Yearly agent price
Total after 3 years $297 to $447 Three years of service fees
Annual report $80 a year business.ct.gov (we looked on October 2026, so you can too)
Crossover year Never Stable for a decade

The Connecticut picks

Options sit in value order, with prices taken from company pages. State fees are the same whoever serves as agent.

1
First choice

1. CT Registered Agent.org: best for the smallest yearly bill

Starts at $99 and renews at $99
You pay in year 1 $99
You pay at renewal $99/yr
You pay over 3 years $297

CT Registered Agent.org ranks first. $99 yearly, with a street address in the state on file.

A lower three-year bill than Mainstay Filing puts it first, since cost weighs most.

Your price covers

  • An office address located in the state
  • Web copies of legal papers

What you get

  • A lower yearly price than Mainstay Filing
  • $99 a year, no change at renewal

What to watch

  • Another state means another agent
  • The annual report is your own job
2
Takes the most off your plate

2. Mainstay Filing: best for one agent for all fifty states

Starts at $149 and renews at $149
You pay in year 1 $149
You pay at renewal $149/yr
You pay over 3 years $447

Mainstay Filing ranks second. $149 a year here, and the same in every other state you might add.

Three years run $150 higher here than with CT Registered Agent.org.

Your price covers

  • The registered office address
  • Up to three government mailings a year, scanned for you free
  • Covers LLCs, corporations, LPs, LLPs and nonprofits

What you get

  • Year 1 $149, year 2 $149
  • One account for any state

What to watch

  • A yearly difference of $50
  • You still do the reports
3
Connecticut only

3. Connecticut Registered Agent.co: best for keeping your agent in state

Starts at $99 and renews at $99
You pay in year 1 $99
You pay at renewal $99/yr
You pay over 3 years $297

Option 3 is Connecticut Registered Agent.co. $99 yearly, with a street address in the state on file.

Its prices match CT Registered Agent.org's exactly.

Your price covers

  • An office address located in the state
  • Web copies of legal papers

What you get

  • $99 a year, no change at renewal
  • A lower yearly price than Mainstay Filing

What to watch

  • Another state means another agent
  • The annual report is your own job

What each service adds up to

Pick Service You pay in year 1 You pay by year 2 You pay by year 3 You pay by year 5
1 CT Registered Agent.org $99 $198 $297 $495 Price out CT Registered Agent.org Partner link. We may earn money if you buy.
2 Mainstay Filing $149 $298 $447 $745 Price out Mainstay Filing Partner link. We may earn money if you buy.
3 Connecticut Registered Agent.co $99 $198 $297 $495 Price out Connecticut Registered Agent.co Partner link. We may earn money if you buy.

Service fees only, from each company's prices as of November 13, 2026. No service overtakes another within ten years.

Cost calculator

Not sure how long you will keep the company? Try a few timelines below.

You would pay CT Registered Agent.org $297, Mainstay Filing $447, Connecticut Registered Agent.co $297 over 3 years. Least you would pay: CT Registered Agent.org.

State fees with sources

What you pay for Amount Source
Filing to form your LLC $120 business.ct.gov (we looked on October 2026, so you can too)
Annual report $80 every year business.ct.gov (we looked on October 2026, so you can too)
State fees summed, years 1 to 3 $280 Sum of the lines above

Only amounts the state fixes go into the total: the filing, the next two reports and any minimum tax. Costs the state leaves unpriced are explained instead.

Why number one is number one

For Connecticut, the deciding factor was your three-year spend (38% of the ranking), where CT Registered Agent.org came out ahead.

The three-year column shows $297 for CT Registered Agent.org, $150 lower than Mainstay Filing.

What Connecticut requires of your registered agent (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. Look up 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.

The state's wording: cga.ct.gov (we looked on October 2026, so you can too)

If you skip the service

If you meet the address rule you can serve for free; the services above charge $99 to $149 a year for the convenience.

Quick answers

How much will a Connecticut registered agent cost me per year?

$99 to $149 a year across these agents.

What do three years of agent service cost?

Anywhere from $297 to $447 for three years of service.

Do I have to have a registered agent for a Connecticut LLC?

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

Can I be my own registered agent?

If you qualify, yes; the requirements section has the rules.

What will the state charge my LLC each year?

The cost that repeats is the annual report, at $80 annually (on or before March 31).

When does one service end up costing more than another?

Not within ten years: the order of the totals stays the same.

Which registered agent is the best value for me in Connecticut?

By our five factors the Connecticut order is CT Registered Agent.org, Mainstay Filing and Connecticut Registered Agent.co, led by CT Registered Agent.org on your three-year spend.

Where to go next

What a registered agent costs by state for all 50 states Best registered agents for anyone How we rank your options

Where we looked

  1. For Connecticut Secretary of the State, open business.ct.gov (read August 2026).
  2. For Connecticut Secretary of the State, open business.ct.gov (read August 2026).
  3. For Connecticut yearly filing: Annual report, open business.ct.gov (read October 2026).
  4. For Connecticut report due date, open cga.ct.gov (read August 2026).
  5. For Connecticut formation fee: Filing fee, open business.ct.gov (read October 2026).
  6. For Connecticut formation fee: Filing fee, open business.ct.gov (read October 2026).
  7. CT Registered Agent.org pricing page, as we saw it on November 13, 2026
  8. Mainstay Filing Connecticut service page, as we saw it on November 13, 2026
  9. Connecticut Registered Agent.co pricing page, as we saw it on November 13, 2026