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Foreign registration quote boards · Connecticut

3 Best Foreign Registration Services in Connecticut (2026): Live Quotes

For Connecticut in 2026, the ranked foreign registration services on the board are Connecticut Registered Agent.co ($199), CT Registered Agent.org ($199) and Mainstay Filing ($199). Service quotes add $397 to $497 over three years to the $120 that Connecticut collects.

Readings by the LLC Cost Lab editorial team

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

Connecticut readings

State fee to register$120business.ct.gov (logged October 2026) for the record
Quotes at year one$199Without the state fee
Readings after 3 years$397 to $497Includes both renewals
State side through year 3$280Outside the ranking
Quotes crossNone in ten yearsRanking holds ten years

Ranked quotes

Ranked by the lab method. No quote includes the $120 state fee.

1. Connecticut Registered Agent.co: best for adding exactly one state

Best reading

$199 on top of Connecticut's $120; renewal $99

Opening quote
$199
Quote from year 2
$99/yr
Reading at year 3
$397

For Connecticut, Connecticut Registered Agent.co gives the best value: registration with Connecticut through this service costs $199, with a $99 agent renewal afterward.

It beats Mainstay Filing on the biggest term in the ranking, three-year cost.

Quote includes

  • Registration done for you
  • Agent service for the first year

Reads well

  • Opens at $199
  • A modest $99 renewal
  • Agent included to start

Reads poorly

  • Limited to one state
Visit Connecticut Registered Agent.coPartner link. We may earn money if you buy.

2. CT Registered Agent.org: best for another in-state filer

In-state provider

$199 on top of Connecticut's $120; renewal $99

Opening quote
$199
Quote from year 2
$99/yr
Reading at year 3
$397

Quote 2: CT Registered Agent.org. Registration with Connecticut through this service costs $199, with a $99 agent renewal afterward.

Quote for quote, it ties Connecticut Registered Agent.co.

Quote includes

  • Registration done for you
  • Agent service for the first year

Reads well

  • Agent included to start
  • Opens at $199
  • A modest $99 renewal

Reads poorly

  • Limited to one state
Visit CT Registered Agent.orgPartner link. We may earn money if you buy.

3. Mainstay Filing: best for adding states over time

Nationwide

$199 on top of Connecticut's $120; renewal $149

Opening quote
$199
Quote from year 2
$149/yr
Reading at year 3
$497

Mainstay Filing fills quote 3: $199 beyond Connecticut's own fee, then $149 a year for the agent.

Connecticut Registered Agent.co reads $100 lower across three years, enough to rank ahead.

Agent renewal, any state: $149 yearly.

Quote includes

  • Registration paperwork, filed
  • Registered agent costs nothing the first year
  • A price that holds across states

Reads well

  • All fifty states covered
  • No agent charge in year one
  • $199 added to Connecticut's fee

Reads poorly

  • $50 more each year for the agent
Visit Mainstay FilingPartner link. We may earn money if you buy.

Cumulative cost by year

RankQuote fromReading, year 1Reading, year 2Reading, year 3Reading, year 5
1Connecticut Registered Agent.co$199$298$397$595Visit Connecticut Registered Agent.coPartner link. We may earn money if you buy.
2CT Registered Agent.org$199$298$397$595Visit CT Registered Agent.orgPartner link. We may earn money if you buy.
3Mainstay Filing$199$348$497$795Visit Mainstay FilingPartner link. We may earn money if you buy.
Sampled November 13, 2026. Each column picks up one more renewal. None of the quotes cross in ten years.

Bench calculator

Readings for 1 to 5 years. State fees are left out because they match on every quote.
At 3 years, the readings are Connecticut Registered Agent.co $397, CT Registered Agent.org $397, Mainstay Filing $497. Quote with the lowest total: Connecticut Registered Agent.co.

Official state charges

ChargeValueReference
Cost to register$120business.ct.gov (logged October 2026) for the record
Annual report$80business.ct.gov (logged October 2026) for the record
What the state collects by year 3$280Computed from the rows above
The three-year state reading adds the filing fee, the reports due in years two and three and any yearly minimum tax. Costs with no fixed amount, such as newspaper publication, are noted but not summed.

The reading behind Connecticut

Weight 36%: measured three-year cost. That term separated the top two quotes.

Connecticut Registered Agent.co takes the cost term with $397 over three years, while Mainstay Filing needs $100 more.

Connecticut foreign LLC registration fee and rules, quoted from the source

Doing business in Connecticut with an LLC from another state takes the Foreign Registration Statement, Limited Liability, lodged at the Connecticut Secretary of the State, Business Services Division for $120. Attach certificate of existence (certificate of good standing) from the state of formation issued inside 90 days.

If it never registers: the fees it would have paid.

As written: business.ct.gov (logged October 2026) for the record

If you skip the service

File it yourself and only state fees remain: $280 over three years. The service quotes add $397 to $497 for the paperwork.

Connecticut price questions, answered

What is the price of registering a foreign LLC with Connecticut?

$120 to the state, plus $199 if you pay a service for year one.

What do the quotes add up to over three years?

Anywhere from $397 to $497 for three years of service.

Which form carries out the registration?

The filing is Foreign Registration Statement, Limited Liability, lodged at the Connecticut Secretary of the State, Business Services Division.

Is a document from the home state required by Connecticut?

Yes, no more than 90 days old: certificate of existence (certificate of good standing) from the state of formation.

Which recurring filing follows registration?

The annual report, billed at $80.

When does one quote pass another in total cost?

The quotes do not cross in the first ten years.

Which foreign registration service ranks first for Connecticut?

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

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Logged references

  1. August 2026 log entry for Connecticut Secretary of the State, from business.ct.gov.
  2. August 2026 log entry for Connecticut Secretary of the State, from business.ct.gov.
  3. October 2026 log entry for Connecticut yearly filing: Annual report, from business.ct.gov.
  4. August 2026 log entry for Connecticut report due date, from cga.ct.gov.
  5. October 2026 log entry for Connecticut formation fee: Filing fee, from business.ct.gov.
  6. October 2026 log entry for Connecticut formation fee: Filing fee, from business.ct.gov.
  7. October 2026 log entry for Foreign LLC forms and fees, from business.ct.gov.
  8. October 2026 log entry for Foreign Registration Statement form, from business.ct.gov.
  9. October 2026 log entry for Foreign investigations penalties, from business.ct.gov.
  10. October 2026 log entry for Who can be an agent, from business.ct.gov.
  11. October 2026 log entry for Foreign annual report forms and, from business.ct.gov.
  12. November 13, 2026 sample from the Connecticut Registered Agent.co pricing page
  13. November 13, 2026 sample from the CT Registered Agent.org pricing page
  14. November 13, 2026 sample from the Mainstay Filing Connecticut service page