Skip to content
Formation Facts

What the state wants, and what it costs.

LLC cost guide · Connecticut

Connecticut LLC Fees (2026): What the State Charges and the 3 Best LLC Services

You have three solid choices when starting a limited liability company in Connecticut in 2026, and we rank them Connecticut Registered Agent.co ($199), Mainstay Filing ($199) and CT Registered Agent.org ($199). What you owe the state: $120 up front, plus $80 every year for the annual report. For three years of state fees Connecticut ranks 32nd of 50.
Briefing by the Formation Facts team

What to know about Connecticut

32nd

of 50 for state fees across three years

States are ranked from lowest to highest. Compare all 50 states

  • Fee the state takes at filing

    $120

    business.ct.gov, as confirmed in October 2026

  • Annual report

    $80 / yr

    Deadline, as the state states it: on or before March 31. business.ct.gov, as confirmed in October 2026

  • What the state collects in 3 years

    $280

    Formation, then two more years of reports

Connecticut: the services we would choose

Every criterion and weight is on the method page.

Ranked first

1. Connecticut Registered Agent.co: best for low formation fees

$199 plus the state fee; the agent then costs $99 a year from year 2

Why Connecticut Registered Agent.co is first: it files in Connecticut for $199 and gives you the first agent year free; after that the agent costs $99 a year.

You pay less over three years than at Mainstay Filing, and that is the criterion we weigh most.

You will still be filing the annual report yourself, every year.

What your money gets you

  • Takes care of the formation paperwork
  • First year of agent service

What works

  • A year of agent service is in the price
  • $99 a year after that
  • $199 to form

What to weigh

  • A annual report service is not offered
  • Help with the EIN is $99
Visit Connecticut Registered Agent.coPartner link. We may earn money if you buy.

All 50 states

2. Mainstay Filing: best for owners who want a low-maintenance LLC

$199 yearly, and you also pay the $120 state fee

Mainstay Filing is second for you since $199 a year gets you filed, gets you a registered agent and gets your annual report sent in.

Its three-year fees are $200 above Connecticut Registered Agent.co's, and cost is 33% of the score.

Your annual report is filed as part of the price, and you pay the state's $80 at cost.

What your money gets you

  • Prepares your formation papers and files them
  • Acts as your registered agent all year
  • Prepares and files your annual report
  • Applies for your EIN
  • The state fee is handed on as is

What works

  • A flat $199 a year
  • You pay nothing extra for the EIN
  • The price holds at $199 when you renew

What to weigh

  • $100 more each year from year 2
Visit Mainstay FilingPartner link. We may earn money if you buy.

Connecticut specialist

3. CT Registered Agent.org: best for forming close to home

$199 plus the state fee; the agent then costs $99 a year from year 2

CT Registered Agent.org takes third place because it files in Connecticut for $199 and gives you the first agent year free; after that the agent costs $99 a year.

You will still be filing the annual report yourself, every year.

Connecticut Registered Agent.co and this provider charge the same.

What your money gets you

  • Takes care of the formation paperwork
  • First year of agent service

What works

  • $199 to form
  • $99 a year after that
  • A year of agent service is in the price

What to weigh

  • A annual report service is not offered
  • Help with the EIN is $99
Visit CT Registered Agent.orgPartner link. We may earn money if you buy.

Prices side by side

RankWhoYou pay in year 1Then per yearTheir fees across 3 years
1Connecticut Registered Agent.co$199$99/yr$397Visit Connecticut Registered Agent.coPartner link. We may earn money if you buy.
2Mainstay Filing$199$199/yr$597Visit Mainstay FilingPartner link. We may earn money if you buy.
3CT Registered Agent.org$199$99/yr$397Visit CT Registered Agent.orgPartner link. We may earn money if you buy.
Every price here was taken from the company's website on November 13, 2026. You will also owe the $120 state fee on every row.

Connecticut LLC cost calculator

Pick how many years you want to total and which provider you would use. What the state takes is built from its own schedule: $120 when you form, then the annual report from year 2.
With Connecticut Registered Agent.co, 3 years will cost you $677: $280 to the state and $397 to the provider.

How Connecticut compares with the states near it in the ranking

RankStateThree-year state fees
30thNew Jersey$250
31stSouth Dakota$260
32ndConnecticut$280
33rdIllinois$300
33rdNew Hampshire$300
To see the rest of the states, go to LLC costs by state.

Connecticut filing fee for 2026

You will pay $120, and you file the Certificate of Organization with the Connecticut Secretary of State, as Conn. Gen. Stat. § 34-247 provides. The providers below hand it along without a markup. Count on Most online filings automatically accepted.

The annual report in Connecticut, 2026

Your LLC has to file the annual report every year and pay $80; the deadline is on or before March 31.

Why the Connecticut list is in this order

Connecticut Registered Agent.co pulled ahead of Mainstay Filing on price over three years, which is weighted 33%.

With Connecticut Registered Agent.co, three years of provider fees come to $397, $200 less than Mainstay Filing.

Connecticut LLC service questions

How much will Connecticut charge me to form an LLC?

Filing costs $120 at the state office. Provider fees come to $199.

What will I pay for the Connecticut annual report?

You pay $80, every year, and the deadline reads on or before March 31.

Is Connecticut a low-cost state for LLCs?

Connecticut ranks 32nd of 50 on three-year state fees, at $280. Rank 1 is the lowest total.

How long will the state take to process my LLC?

Usually you wait Most online filings automatically accepted.

Will I need a registered agent in Connecticut?

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

Which LLC service should I choose?

We would choose Connecticut Registered Agent.co first ($199 gets you formed, and the agent renews at $99), with Mainstay Filing and CT Registered Agent.org behind it.

Other briefings

Where this briefing comes from

  1. Behind the Connecticut Secretary of the State, Business Services Division section is business.ct.gov, a page we reread in August 2026 before publishing.
  2. Behind the Connecticut Secretary of the State, Business Services Division section is business.ct.gov, a page we reread in August 2026 before publishing.
  3. Behind the Connecticut yearly filing: Annual report: fee, official source section is business.ct.gov, a page we reread in October 2026 before publishing.
  4. Behind the Connecticut report due date section is cga.ct.gov, a page we reread in August 2026 before publishing.
  5. Behind the Connecticut formation fee: Filing fee, official source section is business.ct.gov, a page we reread in October 2026 before publishing.
  6. Behind the Connecticut formation fee: Filing fee, official source section is business.ct.gov, a page we reread in October 2026 before publishing.
  7. Behind the New Jersey DORES, Getting Registered section is nj.gov, a page we reread in October 2026 before publishing.
  8. Behind the New Jersey formation fee: Filing fee, official source section is pub.njleg.gov, a page we reread in October 2026 before publishing.
  9. Behind the New Jersey Division of Revenue and Enterprise Services section is njportal.com, a page we reread in August 2026 before publishing.
  10. Behind the New Jersey Division of Revenue and Enterprise Services section is njportal.com, a page we reread in August 2026 before publishing.
  11. Behind the SDCL 47-34A-203 section is sdlegislature.gov, a page we reread in August 2026 before publishing.
  12. Behind the South Dakota formation fee: Filing fee, official source section is sdsos.gov, a page we reread in October 2026 before publishing.
  13. Behind the South Dakota formation fee: Filing fee, official source section is sdlegislature.gov, a page we reread in October 2026 before publishing.
  14. Behind the South Dakota Secretary of State, Business Services / section is sdsos.gov, a page we reread in August 2026 before publishing.
  15. Behind the South Dakota Secretary of State, Business Services / section is sosenterprise.sd.gov, a page we reread in August 2026 before publishing.
  16. Behind the South Dakota yearly filing: Annual report: fee and section is sdlegislature.gov, a page we reread in October 2026 before publishing.
  17. Behind the 805 ILCS 180/5-5 section is ilga.gov, a page we reread in August 2026 before publishing.
  18. Behind the Illinois formation fee: Filing fee, official source section is ilga.gov, a page we reread in October 2026 before publishing.
  19. Behind the Illinois formation fee: Filing fee, official source section is ilsos.gov, a page we reread in October 2026 before publishing.
  20. Behind the Illinois Secretary of State, Department of Business Services section is ilsos.gov, a page we reread in August 2026 before publishing.
  21. Behind the Illinois Secretary of State, Department of Business Services section is ilsos.gov, a page we reread in August 2026 before publishing.
  22. Behind the N.H section is gc.nh.gov, a page we reread in August 2026 before publishing.
  23. Behind the New Hampshire formation fee: Filing fee, official source section is sos.nh.gov, a page we reread in October 2026 before publishing.
  24. Behind the New Hampshire formation fee: Filing fee, official source section is gc.nh.gov, a page we reread in October 2026 before publishing.
  25. Behind the New Hampshire Secretary of State, Corporations Division section is sos.nh.gov, a page we reread in August 2026 before publishing.
  26. Behind the Processing and expedite, official source section is business.ct.gov, a page we reread in October 2026 before publishing.
  27. We looked at the Connecticut Registered Agent.co website on November 13, 2026 to confirm pricing page
  28. We looked at the Mainstay Filing website on November 13, 2026 to confirm Connecticut service page
  29. We looked at the CT Registered Agent.org website on November 13, 2026 to confirm pricing page