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State Filing Data LLC fees by state, read from the source.

Foreign LLC guide · Connecticut

Connecticut Foreign LLC Registration (2026): Fees and the 3 Best Services

For foreign LLC registration in Connecticut (2026), the order we'd use is CT Registered Agent.org ($199), Mainstay Filing ($199) and Connecticut Registered Agent.co ($199). Registration costs $120 at the Connecticut Secretary of the State, Business Services Division, then $80 per report: 27th of 50 states on three-year state fees.
State Filing Data research desk

Official Connecticut figures

of 50, foreign LLC fees over three years

Rank 1 is the least expensive state. Full table

Registration fee

$120

per business.ct.gov, October 2026

Yearly report

$80

Annual report

Home-state certificate

90 days

Maximum age when you file

Three-year state fees

$280

Registration + reports in years two and three

Connecticut picks

Weights: 35% three-year service fees, 30% filings covered, 30% the rest (methodology).

We would start here

1. CT Registered Agent.org: best for adding only Connecticut

$199 to register, $99 yearly after

We'd start with CT Registered Agent.org: a $199 service fee and a $99 agent renewal in Connecticut.

Cost decides it: over three years it charges less than Mainstay Filing.

What you pay for

  • Connecticut registration prepared and filed
  • A year of agent service

For

  • Agent renews at $99
  • First agent year in the price
  • $199 + state fee

Against

  • Single-state service
Visit CT Registered Agent.org Partner link. We may earn money if you buy.
Most covered

2. Mainstay Filing: best for one price in any state

$199 to register, $149 yearly after

In second place, Mainstay Filing: a $199 service fee in any state, the first agent year included.

CT Registered Agent.org undercuts it by $100 over three years, which is why it sits lower here.

The agent renews at $149 a year wherever the company registers.

What you pay for

  • Registration prepared and filed
  • Registered agent, free for the first year
  • Same service fee in every state

For

  • Any state, one fee
  • No agent fee in year one
  • $199 over the state fee

Against

  • Agent renews at $149, $50 above CT Registered Agent.org
Visit Mainstay Filing Partner link. We may earn money if you buy.
Connecticut focus

3. Connecticut Registered Agent.co: best for Connecticut registrations

$199 to register, $99 yearly after

In third place, Connecticut Registered Agent.co: a $199 service fee and a $99 agent renewal in Connecticut.

On price it is level with CT Registered Agent.org.

What you pay for

  • Connecticut registration prepared and filed
  • A year of agent service

For

  • $199 + state fee
  • Agent renews at $99
  • First agent year in the price

Against

  • Single-state service
Visit Connecticut Registered Agent.co Partner link. We may earn money if you buy.

The picks in numbers

#ServiceYear oneFrom year twoThree-year service fees
1 CT Registered Agent.org $199$99/yr$397
Visit CT Registered Agent.org Partner link. We may earn money if you buy.
2 Mainstay Filing $199$149/yr$497
Visit Mainstay Filing Partner link. We may earn money if you buy.
3 Connecticut Registered Agent.co $199$99/yr$397
Visit Connecticut Registered Agent.co Partner link. We may earn money if you buy.

Company prices read November 12, 2026. Connecticut's $120 registration fee comes on top.

Connecticut foreign LLC cost calculator

Registration fee $120, then the $80 report from year two, plus the service's prices.

Total, 3 years, CT Registered Agent.org: $677. State $280, service $397.

States ranked around Connecticut

RankStateThree-year foreign LLC fees
25th Pennsylvania$264
26th Wyoming$270
27th Connecticut$280
28th Illinois$300
28th New Hampshire$300

Full ranking: Foreign LLC fees by state. 1st is the least expensive.

How Connecticut registers foreign LLCs (2026)

The Connecticut Secretary of the State, Business Services Division takes the Foreign Registration Statement, Limited Liability and a $120 fee. Include certificate of existence (certificate of good standing) from the state of formation, no older than 90 days.

Each cycle it files the annual report ($80), between January 1 and March 31.

Documents you need

  • Certificate of existence (certificate of good standing) from the state of formation, dated within 90 days.
  • Name and formation date exactly as on the home-state record.
  • A registered agent in the state (included with each pick).
  • Budget for the $120 state fee.

What happens without registering

Back fees for the unregistered period are due as well.

How we ordered the Connecticut picks

CT Registered Agent.org over Mainstay Filing came down to service fees over three years, a 35% criterion.

CT Registered Agent.org totals $397 over three years, $100 less than Mainstay Filing.

Connecticut questions answered

How much does it cost to register a foreign LLC in Connecticut?

$120 to the state. Service fees: $199.

Which form registers a foreign LLC in Connecticut?

File Foreign Registration Statement, Limited Liability with the Connecticut Secretary of the State, Business Services Division.

Do I need a certificate from my home state?

Yes: certificate of existence (certificate of good standing) from the state of formation, dated within 90 days of filing.

What does a foreign LLC file after registering?

The annual report, $80.

What if the LLC does business there without registering?

Back fees for the unregistered period are due as well.

Is a registered agent needed there?

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

Who should file the registration?

CT Registered Agent.org, then Mainstay Filing and Connecticut Registered Agent.co. CT Registered Agent.org leads on service fees over three years.

More for this state

Sources

  1. Connecticut Secretary of the State, Business Services Division at business.ct.gov, confirmed August 2026
  2. Connecticut Secretary of the State, Business Services Division at business.ct.gov, confirmed August 2026
  3. Connecticut yearly filing: Annual report: fee, official source at business.ct.gov, confirmed October 2026
  4. Connecticut report due date at cga.ct.gov, confirmed August 2026
  5. Connecticut formation fee: Filing fee, official source at business.ct.gov, confirmed October 2026
  6. Connecticut formation fee: Filing fee, official source at business.ct.gov, confirmed October 2026
  7. Foreign LLC forms and fees, Business.CT.gov at business.ct.gov, confirmed October 2026
  8. Foreign Registration Statement form at business.ct.gov, confirmed October 2026
  9. Foreign investigations penalties at business.ct.gov, confirmed October 2026
  10. Who can be an agent at business.ct.gov, confirmed October 2026
  11. Foreign annual report forms and fees at business.ct.gov, confirmed October 2026
  12. Pennsylvania DOS, foreign associations at pa.gov, confirmed October 2026
  13. Foreign Registration Statement, DSCB:15-412 at pa.gov, confirmed October 2026
  14. DOS fees and payments at pa.gov, confirmed October 2026
  15. Commercial registered office providers at pa.gov, confirmed October 2026
  16. Annual reports at pa.gov, confirmed October 2026
  17. Wyoming Secretary of State, foreign LLC application for at sos.wyo.gov, confirmed October 2026
  18. Wyoming Secretary of State, fee schedule at sos.wyo.gov, confirmed October 2026
  19. Wyoming Secretary of State, business FAQ at sos.wyo.gov, confirmed October 2026
  20. Certificate of Withdrawal, foreign LLC at sos.wyo.gov, confirmed October 2026
  21. Wyoming Statutes, Title 17 at wyoleg.gov, confirmed October 2026
  22. Illinois Secretary of State, LLC forms at ilsos.gov, confirmed October 2026
  23. Form LLC-45.5, Application for Admission at ilsos.gov, confirmed October 2026
  24. Form LLC-45.40, Application for Withdrawal at ilsos.gov, confirmed October 2026
  25. 805 ILCS 180/45-45, consequences of transacting business without at ilga.gov, confirmed October 2026
  26. 805 ILCS 180/45-47, activities that are not transacting at ilga.gov, confirmed October 2026
  27. New Hampshire Secretary of State, LLC forms and at sos.nh.gov, confirmed October 2026
  28. Form FLLC-1 at sos.nh.gov, confirmed October 2026
  29. RSA 304-C:174, activities that do not count at gc.nh.gov, confirmed October 2026
  30. RSA 304-C:175, registration at gc.nh.gov, confirmed October 2026
  31. RSA 304-C:191, fees at gc.nh.gov, confirmed October 2026
  32. CT Registered Agent.org (pricing page), read on November 12, 2026
  33. Mainstay Filing (Connecticut service page), read on November 12, 2026
  34. Connecticut Registered Agent.co (pricing page), read on November 12, 2026