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LLC cost guide · Connecticut

Connecticut LLC Cost (2026): State Fees on File and the 3 Best LLC Services

Short answer, Connecticut 2026, forming an LLC: Mainstay Filing ($199), Connecticut Registered Agent.co ($199) and CT Registered Agent.org ($199). File for $120, then pay $80 every year to file the annual report; three-year state cost ranks 32nd of 50.

Desk note by LLC Data Desk ·

Connecticut: state side

32ndon the 50-state sheet, three-year basisSorted smallest first. Compare every state
Fee to file
$120business.ct.gov [October 2026]
Annual report
$80 / yrDate set by the state: on or before March 31. business.ct.gov [October 2026]
Total owed to the state, 3 yrs
$280State cost only, years 1 to 3

Connecticut ranking

Five criteria set the order; three-year fees and filings covered weigh most (method has the rest).

1. Mainstay Filing: best for low-maintenance LLC ownership

Desk pick$199 yearly; $319 at checkout covers the state fee

Mainstay Filing takes first: $199 a year buys the Connecticut formation, registered agent service and the annual report; renewal is $199.

Connecticut Registered Agent.co is $200 cheaper across three years; coverage is the reason this one still ranks higher.

Annual report handled at renewal; $80 state fee added at cost.

What the fee covers

  • Formation filed on your behalf
  • Registered agent for the full year
  • Annual report prepared and submitted
  • EIN application included
  • State fee added at cost

Pros

  • Files the EIN application
  • Flat $199 a year
  • $199 at renewal, no increase

Cons

  • Renewal $100 higher than Connecticut Registered Agent.co's
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. Connecticut Registered Agent.co: best for Connecticut LLCs on a tight budget

Local pickFormation $199; yr 2+ $99

We rank Connecticut Registered Agent.co second. Reason: $199 to start, year-one agent covered; $99 yearly after that.

The fee leaves out the annual report.

What the fee covers

  • Connecticut formation filed
  • First year of agent service

Pros

  • Free first agent year
  • $99 yearly from year two
  • $199 to form

Cons

  • Annual report is not covered by the fee
  • EIN not in the fee ($99)
Visit Connecticut Registered Agent.coPartner link. We may earn money if you buy.

3. CT Registered Agent.org: best for another Connecticut option

Local pickFormation $199; yr 2+ $99

We rank CT Registered Agent.org third. Reason: $199 to start, year-one agent covered; $99 yearly after that.

The fee leaves out the annual report.

Ties with Connecticut Registered Agent.co on price.

What the fee covers

  • Connecticut formation filed
  • First year of agent service

Pros

  • Free first agent year
  • $99 yearly from year two
  • $199 to form

Cons

  • Annual report is not covered by the fee
  • EIN not in the fee ($99)
Visit CT Registered Agent.orgPartner link. We may earn money if you buy.

The ranking as numbers

#ServiceYr 1Yr 2+Service fees, 3 yrs
1Mainstay Filing$199$199/yr$597Visit Mainstay FilingPartner link. We may earn money if you buy.
2Connecticut Registered Agent.co$199$99/yr$397Visit Connecticut Registered Agent.coPartner 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.
Posted fees, November 12, 2026. Connecticut charges $120 to file, separate from every service.

Connecticut LLC cost calculator

Pick years and a service. State side follows the official schedule: $120 to form, then the annual report from year two.
Total, 3 years, Mainstay Filing: $877. State $280; service $597.

Connecticut next to nearby ranks

RkStateThree-year state fees
30thNew Jersey$250
31stSouth Dakota$260
32ndConnecticut$280
33rdIllinois$300
33rdNew Hampshire$300
Full table: LLC costs by state, smallest bills first.

Connecticut formation fee and form

The Connecticut Secretary of State takes $120 for the Certificate of Organization, per Conn. Gen. Stat. § 34-247. Same figure whichever service files. The state quotes Most online filings automatically accepted.

Connecticut recurring report

Report on file: annual report, once a year, $80, on or before March 31.

Basis for the order

Mainstay Filing wins on scope of the price, worth 29%; Connecticut Registered Agent.co is next.

On our weights, covering the annual report outranks a lower fee.

Connecticut FAQ

State fee to form an LLC in Connecticut?

State fee: $120. Our picks charge $199 in year one.

What fee comes with the Connecticut annual report?

Due on or before March 31; fee $80, every year.

Connecticut rank on LLC fees?

32nd of 50 on three-year state fees: $280. Rank 1 is the smallest total.

State processing time for a new LLC?

Allow Most online filings automatically accepted.

Is a registered agent required in Connecticut?

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

Which LLC service do you pick?

Pick Mainstay Filing: one fee, $199 a year, pays for formation, a registered agent and the annual report. Next: Connecticut Registered Agent.co and CT Registered Agent.org.

Related files

Basis for this page

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